Recognised as Colour

#581A10

#581A10
Red
Dark
Nearest: Saddle brown

#581A10 is a red with RGB values 88, 26, 16 and HSL 8°, 69%, 20%. It is a dark colour, so white text on it reaches 13.4:1 contrast (AAA for normal text). The nearest named colour is Saddle brown.

Colour values

#581A10#581A10

HEX#581A10

RGBrgb(88, 26, 16)

RGB (0–1)0.3451, 0.102, 0.0627

RGB percentages34.5%, 10.2%, 6.3%

HSLhsl(8.3, 69.2%, 20.4%)

HSV / HSBhsv(8.3, 81.8%, 34.5%)

CMYK0%, 70.5%, 81.8%, 65.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,773,840

CSS custom property--colour: #581A10;

Brightness & contrast

Relative luminance0.02851WCAG 2.x, 0 is black and 1 is white

Perceived brightness52.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 13.37:1

Contrast with white13.37:1WCAG normal text: AAA

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

Greyscale equivalent#262626

Inverted#A7E5EF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#2C260Eno red cones; affects about 1% of men; ΔE 29.9 from the original

Deuteranopia#3B340Eno green cones; the most common form, about 1% of men; ΔE 30.4 from the original

Tritanopia#610918no blue cones; rare, and affects men and women equally; ΔE 11 from the original

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

Contrast with white, large text13.37:1WCAG large text: AAA

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

Named colours

Saddle brown · ΔE 26.2 Maroon · ΔE 26.4 Sienna · ΔE 27.9 Brown · ΔE 29.5 Dark red · ΔE 31.3 Firebrick · ΔE 37.6

Nearest named CSS colourSaddle brown (#8B4513)ΔE 26.22, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#104E58

Analogous#58102A, #583E10

Triadic#10581A, #1A1058

Split complementary#10583E, #102A58

Tetradic#2A5810, #104E58, #3E1058

Tints, shades & saturation

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

Lighter +40%#E06754

Lighter +30%#D84129

Lighter +20%#AE3320

Lighter +10%#832718

Darker −10%#2D0D08

Darker −20%#020000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#651103

Less saturated −25%#4B231D

Channel breakdown

R88

G26

B16

Red88 (34.5%)

Green26 (10.2%)

Blue16 (6.3%)

Hue8.33°

Saturation (HSL)69.23%

Lightness20.39%

Dominant channelRed

Hex per channelR 58 · G 1A · B 10

Keep nerding

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

#581A10

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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