Colour

#FF021D

#FF021D
Red
Dark
Nearest: Red

#FF021D is a red with RGB values 255, 2, 29 and HSL 354°, 100%, 50%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#FF021D#FF021D

HEX#FF021D

RGBrgb(255, 2, 29)

RGB (0–1)1, 0.0078, 0.1137

RGB percentages100%, 0.8%, 11.4%

HSLhsl(353.6, 100%, 50.4%)

HSV / HSBhsv(353.6, 99.2%, 100%)

CMYK0%, 99.2%, 88.6%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,712,221

CSS custom property--colour: #FF021D;

Brightness & contrast

Relative luminance0.21392WCAG 2.x, 0 is black and 1 is white

Perceived brightness139.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.28:1

Contrast with white3.98:1WCAG normal text: Fail

Contrast with black5.28:1WCAG normal text: AA

Greyscale equivalent#3A3A3A

Inverted#00FDE2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6C6018no red cones; affects about 1% of men; ΔE 86.9 from the original

Deuteranopia#A39100no green cones; the most common form, about 1% of men; ΔE 86.6 from the original

Tritanopia#FF0018no blue cones; rare, and affects men and women equally; ΔE 2 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text3.98:1WCAG large text: AA

Contrast with black, large text5.28:1WCAG large text: AAA

Named colours

Red · ΔE 8.7 Orange red · ΔE 16.8 Tomato · ΔE 26.9 Crimson · ΔE 27.3 Firebrick · ΔE 35.1 Coral · ΔE 39.1

Nearest named CSS colourRed (#FF0000)ΔE 8.7, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#02FFE4

Analogous#FF029C, #FF6602

Triadic#1DFF02, #021DFF

Split complementary#02FF66, #029CFF

Tetradic#9BFF02, #02FFE4, #6502FF

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#FFCED3

Lighter +30%#FF9BA6

Lighter +20%#FF6878

Lighter +10%#FF354B

Darker −10%#CE0016

Darker −20%#9B0011

Darker −30%#68000B

Darker −40%#350006

More saturated +25%#FF021D

Less saturated −25%#DF2236

Channel breakdown

R255

B29

Red255 (100%)

Green2 (0.8%)

Blue29 (11.4%)

Hue353.6°

Saturation (HSL)100%

Lightness50.39%

Dominant channelRed

Hex per channelR FF · G 02 · B 1D

Keep nerding

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#FF021D

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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