Recognised as Colour

#90241D

#90241D
Red
Dark
Nearest: Brown

#90241D is a red with RGB values 144, 36, 29 and HSL 4°, 66%, 34%. It is a dark colour, so white text on it reaches 8.6:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#90241D#90241D

HEX#90241D

RGBrgb(144, 36, 29)

RGB (0–1)0.5647, 0.1412, 0.1137

RGB percentages56.5%, 14.1%, 11.4%

HSLhsl(3.7, 66.5%, 33.9%)

HSV / HSBhsv(3.7, 79.9%, 56.5%)

CMYK0%, 75%, 79.9%, 43.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer9,446,429

CSS custom property--colour: #90241D;

Brightness & contrast

Relative luminance0.0728WCAG 2.x, 0 is black and 1 is white

Perceived brightness84 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.55:1

Contrast with white8.55:1WCAG normal text: AAA

Contrast with black2.46:1WCAG normal text: Fail

Greyscale equivalent#3A3A3A

Inverted#6FDBE2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#443D1Bno red cones; affects about 1% of men; ΔE 48.2 from the original

Deuteranopia#5F5518no green cones; the most common form, about 1% of men; ΔE 48.5 from the original

Tritanopia#9F0024no blue cones; rare, and affects men and women equally; ΔE 12.8 from the original

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

Contrast with white, large text8.55:1WCAG large text: AAA

Contrast with black, large text2.46:1WCAG large text: Fail

Named colours

Brown · ΔE 7.3 Maroon · ΔE 10.2 Dark red · ΔE 12.5 Firebrick · ΔE 14.6 Sienna · ΔE 19.4 Saddle brown · ΔE 21

Nearest named CSS colourBrown (#A52A2A)ΔE 7.33, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1D8990

Analogous#901D50, #905E1D

Triadic#1D9024, #241D90

Split complementary#1D905E, #1D4F90

Tetradic#4F901D, #1D8990, #5E1D90

Tints, shades & saturation

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

Lighter +40%#E99690

Lighter +30%#E06D66

Lighter +20%#D8453B

Lighter +10%#BA2F26

Darker −10%#661914

Darker −20%#3B0F0C

Darker −30%#110403

Darker −40%#000000

More saturated +25%#A61107

Less saturated −25%#7A3733

Channel breakdown

R144

G36

B29

Red144 (56.5%)

Green36 (14.1%)

Blue29 (11.4%)

Hue3.65°

Saturation (HSL)66.47%

Lightness33.92%

Dominant channelRed

Hex per channelR 90 · G 24 · B 1D

Keep nerding

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

#90241D

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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