Colour

#FF1A39

#FF1A39
Red
Dark
Nearest: Crimson

#FF1A39 is a red with RGB values 255, 26, 57 and HSL 352°, 100%, 55%. 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

#FF1A39#FF1A39

HEX#FF1A39

RGBrgb(255, 26, 57)

RGB (0–1)1, 0.102, 0.2235

RGB percentages100%, 10.2%, 22.4%

HSLhsl(351.9, 100%, 55.1%)

HSV / HSBhsv(351.9, 89.8%, 100%)

CMYK0%, 89.8%, 77.6%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,718,393

CSS custom property--colour: #FF1A39;

Brightness & contrast

Relative luminance0.22294WCAG 2.x, 0 is black and 1 is white

Perceived brightness142.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.46:1

Contrast with white3.85:1WCAG normal text: Fail

Contrast with black5.46:1WCAG normal text: AA

Greyscale equivalent#4D4D4D

Inverted#00E5C6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6E6437no red cones; affects about 1% of men; ΔE 84.4 from the original

Deuteranopia#A3922Fno green cones; the most common form, about 1% of men; ΔE 84.3 from the original

Tritanopia#FF002Bno blue cones; rare, and affects men and women equally; ΔE 6.9 from the original

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

Contrast with white, large text3.85:1WCAG large text: AA

Contrast with black, large text5.46:1WCAG large text: AAA

Named colours

Crimson · ΔE 15.9 Red · ΔE 21.9 Tomato · ΔE 22.3 Orange red · ΔE 26.2 Firebrick · ΔE 28.5 Coral · ΔE 35.8

Nearest named CSS colourCrimson (#DC143C)ΔE 15.92, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1AFFE0

Analogous#FF1AAB, #FF6E1A

Triadic#39FF1A, #1A39FF

Split complementary#1AFF6E, #1AACFF

Tetradic#ABFF1A, #1AFFE0, #6E1AFF

Tints, shades & saturation

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

Lighter +40%#FFE6E9

Lighter +30%#FFB3BD

Lighter +20%#FF8091

Lighter +10%#FF4D65

Darker −10%#E6001F

Darker −20%#B30018

Darker −30%#800011

Darker −40%#4D000A

More saturated +25%#FF1A39

Less saturated −25%#E2374E

Channel breakdown

R255

G26

B57

Red255 (100%)

Green26 (10.2%)

Blue57 (22.4%)

Hue351.88°

Saturation (HSL)100%

Lightness55.1%

Dominant channelRed

Hex per channelR FF · G 1A · B 39

Keep nerding

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

#FF1A39

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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