Recognised as Colour

#581A15

#581A15
Red
Dark
Nearest: Maroon

#581A15 is a red with RGB values 88, 26, 21 and HSL 4°, 61%, 21%. It is a dark colour, so white text on it reaches 13.3:1 contrast (AAA for normal text). The nearest named colour is Maroon.

Colour values

#581A15#581A15

HEX#581A15

RGBrgb(88, 26, 21)

RGB (0–1)0.3451, 0.102, 0.0824

RGB percentages34.5%, 10.2%, 8.2%

HSLhsl(4.5, 61.5%, 21.4%)

HSV / HSBhsv(4.5, 76.1%, 34.5%)

CMYK0%, 70.5%, 76.1%, 65.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,773,845

CSS custom property--colour: #581A15;

Brightness & contrast

Relative luminance0.02868WCAG 2.x, 0 is black and 1 is white

Perceived brightness52.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 13.35:1

Contrast with white13.35:1WCAG normal text: AAA

Contrast with black1.57:1WCAG normal text: Fail

Greyscale equivalent#272727

Inverted#A7E5EA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#2B2714no red cones; affects about 1% of men; ΔE 30.7 from the original

Deuteranopia#3B3413no green cones; the most common form, about 1% of men; ΔE 30.3 from the original

Tritanopia#610A19no blue cones; rare, and affects men and women equally; ΔE 9.7 from the original

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

Contrast with white, large text13.35:1WCAG large text: AAA

Contrast with black, large text1.57:1WCAG large text: Fail

Named colours

Maroon · ΔE 28.1 Saddle brown · ΔE 28.4 Sienna · ΔE 29.5 Brown · ΔE 30.3 Dark red · ΔE 33 Indian red · ΔE 37.9

Nearest named CSS colourMaroon (#800000)ΔE 28.15, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#155358

Analogous#581531, #583C15

Triadic#15581A, #1A1558

Split complementary#15583B, #153158

Tetradic#315815, #155358, #3C1558

Tints, shades & saturation

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

Lighter +40%#D96960

Lighter +30%#CF4237

Lighter +20%#AA3229

Lighter +10%#81261F

Darker −10%#2F0E0B

Darker −20%#060201

Darker −30%#000000

Darker −40%#000000

More saturated +25%#660E07

Less saturated −25%#4A2623

Channel breakdown

R88

G26

B21

Red88 (34.5%)

Green26 (10.2%)

Blue21 (8.2%)

Hue4.48°

Saturation (HSL)61.47%

Lightness21.37%

Dominant channelRed

Hex per channelR 58 · G 1A · B 15

Keep nerding

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

#581A15

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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