Colour

#FF0A38

#FF0A38
Red
Dark
Nearest: Crimson

#FF0A38 is a red with RGB values 255, 10, 56 and HSL 349°, 100%, 52%. 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

#FF0A38#FF0A38

HEX#FF0A38

RGBrgb(255, 10, 56)

RGB (0–1)1, 0.0392, 0.2196

RGB percentages100%, 3.9%, 22%

HSLhsl(348.7, 100%, 52%)

HSV / HSBhsv(348.7, 96.1%, 100%)

CMYK0%, 96.1%, 78%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,714,296

CSS custom property--colour: #FF0A38;

Brightness & contrast

Relative luminance0.21763WCAG 2.x, 0 is black and 1 is white

Perceived brightness140.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.35:1

Contrast with white3.92:1WCAG normal text: Fail

Contrast with black5.35:1WCAG normal text: AA

Greyscale equivalent#414141

Inverted#00F5C7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6B6137no red cones; affects about 1% of men; ΔE 86 from the original

Deuteranopia#A2912Dno green cones; the most common form, about 1% of men; ΔE 85.9 from the original

Tritanopia#FF0025no blue cones; rare, and affects men and women equally; ΔE 9.5 from the original

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

Contrast with white, large text3.92:1WCAG large text: AA

Contrast with black, large text5.35:1WCAG large text: AAA

Named colours

Crimson · ΔE 16.5 Red · ΔE 21.8 Tomato · ΔE 24 Orange red · ΔE 26.9 Firebrick · ΔE 29.4 Coral · ΔE 37.5

Nearest named CSS colourCrimson (#DC143C)ΔE 16.47, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0AFFD1

Analogous#FF0AB2, #FF570A

Triadic#38FF0A, #0A38FF

Split complementary#0AFF57, #0AB2FF

Tetradic#B3FF0A, #0AFFD1, #570AFF

Tints, shades & saturation

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

Lighter +40%#FFD6DE

Lighter +30%#FFA3B4

Lighter +20%#FF708B

Lighter +10%#FF3D61

Darker −10%#D60028

Darker −20%#A3001F

Darker −30%#700015

Darker −40%#3D000B

More saturated +25%#FF0A38

Less saturated −25%#E0294B

Channel breakdown

R255

G10

B56

Red255 (100%)

Green10 (3.9%)

Blue56 (22%)

Hue348.73°

Saturation (HSL)100%

Lightness51.96%

Dominant channelRed

Hex per channelR FF · G 0A · B 38

Keep nerding

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

#FF0A38

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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