Colour

#FF1835

#FF1835
Red
Dark
Nearest: Crimson

#FF1835 is a red with RGB values 255, 24, 53 and HSL 352°, 100%, 55%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#FF1835#FF1835

HEX#FF1835

RGBrgb(255, 24, 53)

RGB (0–1)1, 0.0941, 0.2078

RGB percentages100%, 9.4%, 20.8%

HSLhsl(352.5, 100%, 54.7%)

HSV / HSBhsv(352.5, 90.6%, 100%)

CMYK0%, 90.6%, 79.2%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,717,877

CSS custom property--colour: #FF1835;

Brightness & contrast

Relative luminance0.2217WCAG 2.x, 0 is black and 1 is white

Perceived brightness141.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.43:1

Contrast with white3.86:1WCAG normal text: Fail

Contrast with black5.43:1WCAG normal text: AA

Greyscale equivalent#4B4B4B

Inverted#00E7CA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6E6333no red cones; affects about 1% of men; ΔE 84.5 from the original

Deuteranopia#A3922Ano green cones; the most common form, about 1% of men; ΔE 84.7 from the original

Tritanopia#FF0029no blue cones; rare, and affects men and women equally; ΔE 5.8 from the original

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

Contrast with white, large text3.86:1WCAG large text: AA

Contrast with black, large text5.43:1WCAG large text: AAA

Named colours

Crimson · ΔE 17.5 Red · ΔE 19.8 Tomato · ΔE 22.5 Orange red · ΔE 24.4 Firebrick · ΔE 29.1 Coral · ΔE 35.9

Nearest named CSS colourCrimson (#DC143C)ΔE 17.5, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#18FFE2

Analogous#FF18A8, #FF6F18

Triadic#35FF18, #1835FF

Split complementary#18FF6F, #18A9FF

Tetradic#A9FF18, #18FFE2, #6F18FF

Tints, shades & saturation

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

Lighter +40%#FFE4E7

Lighter +30%#FFB1BB

Lighter +20%#FF7E8E

Lighter +10%#FF4B62

Darker −10%#E4001D

Darker −20%#B10016

Darker −30%#7E0010

Darker −40%#4B0009

More saturated +25%#FF1835

Less saturated −25%#E2354B

Channel breakdown

R255

G24

B53

Red255 (100%)

Green24 (9.4%)

Blue53 (20.8%)

Hue352.47°

Saturation (HSL)100%

Lightness54.71%

Dominant channelRed

Hex per channelR FF · G 18 · B 35

Keep nerding

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

#FF1835

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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