Recognised as Colour

#FF3A36

#FF3A36
Red
Dark
Nearest: Tomato

#FF3A36 is a red with RGB values 255, 58, 54 and HSL 1°, 100%, 61%. It is a dark colour, so black text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Tomato.

Colour values

#FF3A36#FF3A36

HEX#FF3A36

RGBrgb(255, 58, 54)

RGB (0–1)1, 0.2275, 0.2118

RGB percentages100%, 22.7%, 21.2%

HSLhsl(1.2, 100%, 60.6%)

HSV / HSBhsv(1.2, 78.8%, 100%)

CMYK0%, 77.3%, 78.8%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,726,582

CSS custom property--colour: #FF3A36;

Brightness & contrast

Relative luminance0.24552WCAG 2.x, 0 is black and 1 is white

Perceived brightness147.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.91:1

Contrast with white3.55:1WCAG normal text: Fail

Contrast with black5.91:1WCAG normal text: AA

Greyscale equivalent#646464

Inverted#00C5C9

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#786C33no red cones; affects about 1% of men; ΔE 77.7 from the original

Deuteranopia#A9972Dno green cones; the most common form, about 1% of men; ΔE 77.6 from the original

Tritanopia#FF003Cno blue cones; rare, and affects men and women equally; ΔE 11.5 from the original

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

Contrast with white, large text3.55:1WCAG large text: AA

Contrast with black, large text5.91:1WCAG large text: AAA

Named colours

Tomato · ΔE 15.5 Crimson · ΔE 18.5 Red · ΔE 19.9 Orange red · ΔE 20 Firebrick · ΔE 26.5 Coral · ΔE 28.7

Nearest named CSS colourTomato (#FF6347)ΔE 15.47, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#36FBFF

Analogous#FF3696, #FF9F36

Triadic#36FF3A, #3A36FF

Split complementary#36FF9E, #3697FF

Tetradic#97FF36, #36FBFF, #9F36FF

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFD0CF

Lighter +20%#FF9E9C

Lighter +10%#FF6C69

Darker −10%#FF0803

Darker −20%#CF0400

Darker −30%#9C0300

Darker −40%#690200

More saturated +25%#FF3A36

Less saturated −25%#E6524F

Channel breakdown

R255

G58

B54

Red255 (100%)

Green58 (22.7%)

Blue54 (21.2%)

Hue1.19°

Saturation (HSL)100%

Lightness60.59%

Dominant channelRed

Hex per channelR FF · G 3A · B 36

Keep nerding

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

#FF3A36

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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