Colour

#FF2D3D

#FF2D3D
Red
Dark
Nearest: Crimson

#FF2D3D is a red with RGB values 255, 45, 61 and HSL 355°, 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

#FF2D3D#FF2D3D

HEX#FF2D3D

RGBrgb(255, 45, 61)

RGB (0–1)1, 0.1765, 0.2392

RGB percentages100%, 17.6%, 23.9%

HSLhsl(355.4, 100%, 58.8%)

HSV / HSBhsv(355.4, 82.4%, 100%)

CMYK0%, 82.4%, 76.1%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,723,261

CSS custom property--colour: #FF2D3D;

Brightness & contrast

Relative luminance0.23474WCAG 2.x, 0 is black and 1 is white

Perceived brightness145.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.69:1

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

Contrast with black5.69:1WCAG normal text: AA

Greyscale equivalent#5B5B5B

Inverted#00D2C2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#73683Bno red cones; affects about 1% of men; ΔE 80.7 from the original

Deuteranopia#A69534no green cones; the most common form, about 1% of men; ΔE 81.1 from the original

Tritanopia#FF0036no blue cones; rare, and affects men and women equally; ΔE 6 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 text5.69:1WCAG large text: AAA

Named colours

Crimson · ΔE 14.6 Tomato · ΔE 18.9 Red · ΔE 23.3 Orange red · ΔE 25.7 Firebrick · ΔE 26.4 Coral · ΔE 32.4

Nearest named CSS colourCrimson (#DC143C)ΔE 14.56, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2DFFEF

Analogous#FF2DA6, #FF862D

Triadic#3DFF2D, #2D3DFF

Split complementary#2DFF86, #2DA6FF

Tetradic#A6FF2D, #2DFFEF, #862DFF

Tints, shades & saturation

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

Lighter +40%#FFF9F9

Lighter +30%#FFC6CA

Lighter +20%#FF939B

Lighter +10%#FF606C

Darker −10%#F90013

Darker −20%#C6000F

Darker −30%#93000B

Darker −40%#600007

More saturated +25%#FF2D3D

Less saturated −25%#E54753

Channel breakdown

R255

G45

B61

Red255 (100%)

Green45 (17.6%)

Blue61 (23.9%)

Hue355.43°

Saturation (HSL)100%

Lightness58.82%

Dominant channelRed

Hex per channelR FF · G 2D · B 3D

Keep nerding

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

#FF2D3D

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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