Recognised as Colour

#901A29

#901A29
Red
Dark
Nearest: Brown

#901A29 is a red with RGB values 144, 26, 41 and HSL 352°, 69%, 33%. It is a dark colour, so white text on it reaches 8.9:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#901A29#901A29

HEX#901A29

RGBrgb(144, 26, 41)

RGB (0–1)0.5647, 0.102, 0.1608

RGB percentages56.5%, 10.2%, 16.1%

HSLhsl(352.4, 69.4%, 33.3%)

HSV / HSBhsv(352.4, 81.9%, 56.5%)

CMYK0%, 81.9%, 71.5%, 43.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer9,443,881

CSS custom property--colour: #901A29;

Brightness & contrast

Relative luminance0.06828WCAG 2.x, 0 is black and 1 is white

Perceived brightness82.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.88:1

Contrast with white8.88:1WCAG normal text: AAA

Contrast with black2.37:1WCAG normal text: Fail

Greyscale equivalent#343434

Inverted#6FE5D6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3E3A29no red cones; affects about 1% of men; ΔE 51.7 from the original

Deuteranopia#5C5325no green cones; the most common form, about 1% of men; ΔE 51.7 from the original

Tritanopia#9F0021no 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 text8.88:1WCAG large text: AAA

Contrast with black, large text2.37:1WCAG large text: Fail

Named colours

Brown · ΔE 9.9 Maroon · ΔE 16.2 Firebrick · ΔE 18.3 Dark red · ΔE 18.8 Indian red · ΔE 22.3 Sienna · ΔE 26

Nearest named CSS colourBrown (#A52A2A)ΔE 9.85, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1A9081

Analogous#901A64, #90461A

Triadic#29901A, #1A2990

Split complementary#1A9046, #1A6490

Tetradic#64901A, #1A9081, #461A90

Tints, shades & saturation

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

Lighter +40%#EA8C98

Lighter +30%#E26171

Lighter +20%#DB354A

Lighter +10%#BB2235

Darker −10%#65121D

Darker −20%#3A0A10

Darker −30%#0E0304

Darker −40%#000000

More saturated +25%#A50519

Less saturated −25%#7B2F39

Channel breakdown

R144

G26

B41

Red144 (56.5%)

Green26 (10.2%)

Blue41 (16.1%)

Hue352.37°

Saturation (HSL)69.41%

Lightness33.33%

Dominant channelRed

Hex per channelR 90 · G 1A · B 29

Keep nerding

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

#901A29

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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