Colour

#FF2E37

#FF2E37
Red
Dark
Nearest: Crimson

#FF2E37 is a red with RGB values 255, 46, 55 and HSL 357°, 100%, 59%. It is a dark colour, so black text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#FF2E37#FF2E37

HEX#FF2E37

RGBrgb(255, 46, 55)

RGB (0–1)1, 0.1804, 0.2157

RGB percentages100%, 18%, 21.6%

HSLhsl(357.4, 100%, 59%)

HSV / HSBhsv(357.4, 82%, 100%)

CMYK0%, 82%, 78.4%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,723,511

CSS custom property--colour: #FF2E37;

Brightness & contrast

Relative luminance0.2349WCAG 2.x, 0 is black and 1 is white

Perceived brightness145 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.7:1

Contrast with white3.69:1WCAG normal text: Fail

Contrast with black5.7:1WCAG normal text: AA

Greyscale equivalent#5B5B5B

Inverted#00D1C8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#746835no red cones; affects about 1% of men; ΔE 80.4 from the original

Deuteranopia#A6952Dno green cones; the most common form, about 1% of men; ΔE 81 from the original

Tritanopia#FF0035no blue cones; rare, and affects men and women equally; ΔE 6.3 from the original

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

Contrast with white, large text3.69:1WCAG large text: AA

Contrast with black, large text5.7:1WCAG large text: AAA

Named colours

Crimson · ΔE 17.1 Tomato · ΔE 18.5 Red · ΔE 20.2 Orange red · ΔE 22.5 Firebrick · ΔE 27.2 Coral · ΔE 31.9

Nearest named CSS colourCrimson (#DC143C)ΔE 17.06, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2EFFF6

Analogous#FF2E9F, #FF8D2E

Triadic#37FF2E, #2E37FF

Split complementary#2EFF8D, #2E9FFF

Tetradic#A0FF2E, #2EFFF6, #8E2EFF

Tints, shades & saturation

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

Lighter +40%#FFFAFA

Lighter +30%#FFC7C9

Lighter +20%#FF9499

Lighter +10%#FF6168

Darker −10%#FA000B

Darker −20%#C70009

Darker −30%#940006

Darker −40%#610004

More saturated +25%#FF2E37

Less saturated −25%#E5484F

Channel breakdown

R255

G46

B55

Red255 (100%)

Green46 (18%)

Blue55 (21.6%)

Hue357.42°

Saturation (HSL)100%

Lightness59.02%

Dominant channelRed

Hex per channelR FF · G 2E · B 37

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#FF2E37

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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