#243b5c - Estate Blue color

A deep, restrained navy-blue with a cool slate quality and a subtle teal undertone. It feels like the sea at dusk or an overcast evening sky—calm, composed, and quietly authoritative. This shade reads as sophisticated and professional, lending depth without heaviness. It pairs beautifully with warm metallics like copper or brass, soft neutrals, or bright coral accents to energize it. Ideal for branding, outerwear, interiors, and interfaces that require understated elegance and dependable serenity.

color #243b5c

#243b5c color RGB value is 36, 59, 92, and the CMYK value is 0.609, 0.359, 0.00, 0.639. Alternative names for that color are: estate blue, black, darkslategray, cello, midnight blue, indigo, darkslategrey.

Color Conversion

Name
Values
CSS
RGB(0-255)
36, 59, 92
rgb(36, 59, 92)
CMYK
0.609, 0.359, 0.00, 0.639
-
sRGB
0.141, 0.231, 0.361
rgb(14.1% 23.1% 36.1%)
Adobe® 98 RGB compatible
0.187, 0.241, 0.358
color(a98-rgb 0.187 0.241 0.358)
HCT
260, 27.8, 24.6
color(--hct 260 19.1% 24.6%)
HSL
215, 43.8, 25.1
hsl(215 43.8% 25.1%)
HSV
215, 60.9, 36.1
color(--hsv 215 60.9% 36.1%)
HWB
215, 14.1, 63.9
hwb(215 14.1% 63.9%)
Lab
24.2, -0.612, -22.8
lab(24.2 -0.612 -22.8)
P3
0.161, 0.229, 0.351
color(display-p3 0.161 0.229 0.351)
XYZ D50
0.0399, 0.0418, 0.0809
color(xyz-d50 0.04 0.042 0.081)

Shades

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Tints

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Tones

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Color Harmonies

HEX:#243b5c
RGB:36 59 92
HSL:215.36deg 43.75% 25.1%
HEX:#5c4524
RGB:92 69 36
HSL:35.36deg 43.75% 25.1%

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