Colour

#FF2F3F

#FF2F3F
Red
Dark
Nearest: Crimson

#FF2F3F is a red with RGB values 255, 47, 63 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

#FF2F3F#FF2F3F

HEX#FF2F3F

RGBrgb(255, 47, 63)

RGB (0–1)1, 0.1843, 0.2471

RGB percentages100%, 18.4%, 24.7%

HSLhsl(355.4, 100%, 59.2%)

HSV / HSBhsv(355.4, 81.6%, 100%)

CMYK0%, 81.6%, 75.3%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,723,775

CSS custom property--colour: #FF2F3F;

Brightness & contrast

Relative luminance0.23652WCAG 2.x, 0 is black and 1 is white

Perceived brightness145.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.73:1

Contrast with white3.66:1WCAG normal text: Fail

Contrast with black5.73:1WCAG normal text: AA

Greyscale equivalent#5C5C5C

Inverted#00D0C0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#73693Dno red cones; affects about 1% of men; ΔE 80.6 from the original

Deuteranopia#A69537no green cones; the most common form, about 1% of men; ΔE 80.5 from the original

Tritanopia#FF0038no blue cones; rare, and affects men and women equally; ΔE 6.5 from the original

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

Contrast with white, large text3.66:1WCAG large text: AA

Contrast with black, large text5.73:1WCAG large text: AAA

Named colours

Crimson · ΔE 13.9 Tomato · ΔE 18.6 Red · ΔE 24.3 Firebrick · ΔE 26 Orange red · ΔE 26.5 Coral · ΔE 32.1

Nearest named CSS colourCrimson (#DC143C)ΔE 13.89, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2FFFEF

Analogous#FF2FA7, #FF872F

Triadic#3FFF2F, #2F3FFF

Split complementary#2FFF87, #2FA7FF

Tetradic#A7FF2F, #2FFFEF, #872FFF

Tints, shades & saturation

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

Lighter +40%#FFFBFB

Lighter +30%#FFC8CC

Lighter +20%#FF959D

Lighter +10%#FF626E

Darker −10%#FB0013

Darker −20%#C8000F

Darker −30%#95000B

Darker −40%#620008

More saturated +25%#FF2F3F

Less saturated −25%#E54955

Channel breakdown

R255

G47

B63

Red255 (100%)

Green47 (18.4%)

Blue63 (24.7%)

Hue355.38°

Saturation (HSL)100%

Lightness59.22%

Dominant channelRed

Hex per channelR FF · G 2F · B 3F

Keep nerding

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

#FF2F3F

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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