Recognised as Colour

#FF203D

#FF203D
Red
Dark
Nearest: Crimson

#FF203D is a red with RGB values 255, 32, 61 and HSL 352°, 100%, 56%. It is a dark colour, so black text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#FF203D#FF203D

HEX#FF203D

RGBrgb(255, 32, 61)

RGB (0–1)1, 0.1255, 0.2392

RGB percentages100%, 12.5%, 23.9%

HSLhsl(352.2, 100%, 56.3%)

HSV / HSBhsv(352.2, 87.5%, 100%)

CMYK0%, 87.5%, 76.1%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,719,933

CSS custom property--colour: #FF203D;

Brightness & contrast

Relative luminance0.2263WCAG 2.x, 0 is black and 1 is white

Perceived brightness143.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.53:1

Contrast with white3.8:1WCAG normal text: Fail

Contrast with black5.53:1WCAG normal text: AA

Greyscale equivalent#525252

Inverted#00DFC2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6F653Cno red cones; affects about 1% of men; ΔE 83.4 from the original

Deuteranopia#A49334no green cones; the most common form, about 1% of men; ΔE 83.4 from the original

Tritanopia#FF002Fno blue cones; rare, and affects men and women equally; ΔE 7.1 from the original

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

Contrast with white, large text3.8:1WCAG large text: AA

Contrast with black, large text5.53:1WCAG large text: AAA

Named colours

Crimson · ΔE 14.4 Tomato · ΔE 21.6 Red · ΔE 23.8 Orange red · ΔE 27.5 Firebrick · ΔE 27.6 Coral · ΔE 35.1

Nearest named CSS colourCrimson (#DC143C)ΔE 14.39, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#20FFE2

Analogous#FF20AD, #FF7220

Triadic#3DFF20, #203DFF

Split complementary#20FF72, #20ADFF

Tetradic#ADFF20, #20FFE2, #7220FF

Tints, shades & saturation

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

Lighter +40%#FFECEE

Lighter +30%#FFB9C2

Lighter +20%#FF8696

Lighter +10%#FF5369

Darker −10%#EC001F

Darker −20%#B90018

Darker −30%#860011

Darker −40%#53000B

More saturated +25%#FF203D

Less saturated −25%#E33C52

Channel breakdown

R255

G32

B61

Red255 (100%)

Green32 (12.5%)

Blue61 (23.9%)

Hue352.2°

Saturation (HSL)100%

Lightness56.27%

Dominant channelRed

Hex per channelR FF · G 20 · B 3D

Keep nerding

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

#FF203D

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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