#0033dd - Cold Pack color

A vibrant, intense cobalt-blue with a crisp, electric quality. It reads cool and saturated, leaning slightly toward a violet-tinged royal blue that feels both modern and authoritative. On screens it appears luminous and highly legible against light backgrounds, while against dark tones it provides striking contrast. It evokes clarity, professionalism, and digital sophistication, making it ideal for interfaces, branding accents, and energetic visual elements. Paired with warm neutrals or bright citrus tones, it gains warmth and vibrancy.

color #0033dd

#0033dd color RGB value is 0, 51, 221, and the CMYK value is 1.00, 0.769, 0.00, 0.133. Alternative names for that color are: cold pack, blue, mediumblue, dark blue, purple heart.

Color Conversion

Name
Values
CSS
RGB(0-255)
0, 51, 221
rgb(0, 51, 221)
CMYK
1.00, 0.769, 0.00, 0.133
-
sRGB
0.00, 0.200, 0.867
rgb(0% 20% 86.7%)
Adobe® 98 RGB compatible
0.120, 0.212, 0.847
color(a98-rgb 0.12 0.212 0.847)
HCT
279, 75.8, 33.1
color(--hct 279 52.3% 33.1%)
HSL
226, 100, 43.3
hsl(226 100% 43.3%)
HSV
226, 100, 86.7
color(--hsv 226 100% 86.7%)
HWB
226, 0.00, 13.3
hwb(226 0% 13.3%)
Lab
31.2, 43.3, -90.0
lab(31.2 43.3 -90)
P3
0.0691, 0.196, 0.833
color(display-p3 0.069 0.196 0.833)
XYZ D50
0.116, 0.0676, 0.520
color(xyz-d50 0.116 0.068 0.52)

Shades

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Tints

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Tones

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Color Harmonies

HEX:#0033dd
RGB:0 51 221
HSL:226.15deg 100% 43.33%
HEX:#ddaa00
RGB:221 170 0
HSL:46.15deg 100% 43.33%

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