#ff3311 - Rocket Science color

A vibrant, fiery red-orange that reads as intense and energetic. It feels warm and immediate—like a blazing sunset or ripe chili—evoking excitement, passion, and appetite. Highly saturated and attention-grabbing, it works well for call-to-action buttons, sports branding, and warning signals. Pairs effectively with deep navy, charcoal gray, muted teals, or soft creams to balance its heat. Use sparingly as an accent to create impact without overwhelming a palette.

Color Conversion

Name
Values
CSS
RGB(0-255)
255, 51, 17
rgb(255, 51, 17)
CMYK
0.00, 0.800, 0.933, 0.00
-
sRGB
1.00, 0.200, 0.0667
rgb(100% 20% 6.67%)
Adobe® 98 RGB compatible
0.864, 0.212, 0.103
color(a98-rgb 0.864 0.212 0.103)
HCT
29.6, 101, 55.8
color(--hct 29.6 69.7% 55.8%)
HSL
8.57, 100, 53.3
hsl(8.57 100% 53.3%)
HSV
8.57, 93.3, 100
color(--hsv 8.57 93.3% 100%)
HWB
8.57, 6.67, 0.00
hwb(8.57 6.67% 0%)
Lab
56.7, 74.2, 66.5
lab(56.7 74.2 66.5)
P3
0.920, 0.283, 0.170
color(display-p3 0.92 0.283 0.17)
XYZ D50
0.450, 0.247, 0.0211
color(xyz-d50 0.45 0.247 0.021)

Shades

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Tints

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Tones

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Color Harmonies

HEX:#ff3311
RGB:255 51 17
HSL:8.57deg 100% 53.33%
HEX:#11ddff
RGB:17 221 255
HSL:188.57deg 100% 53.33%

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