Recognised as Colour

#82172E

#82172E
Red
Dark
Nearest: Brown

#82172E is a red with RGB values 130, 23, 46 and HSL 347°, 70%, 30%. It is a dark colour, so white text on it reaches 9.9:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#82172E#82172E

HEX#82172E

RGBrgb(130, 23, 46)

RGB (0–1)0.5098, 0.0902, 0.1804

RGB percentages51%, 9%, 18%

HSLhsl(347.1, 69.9%, 30%)

HSV / HSBhsv(347.1, 82.3%, 51%)

CMYK0%, 82.3%, 64.6%, 49%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer8,525,614

CSS custom property--colour: #82172E;

Brightness & contrast

Relative luminance0.05556WCAG 2.x, 0 is black and 1 is white

Perceived brightness74.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.95:1

Contrast with white9.95:1WCAG normal text: AAA

Contrast with black2.11:1WCAG normal text: Fail

Greyscale equivalent#2F2F2F

Inverted#7DE8D1

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#36352Eno red cones; affects about 1% of men; ΔE 47.9 from the original

Deuteranopia#514B2Bno green cones; the most common form, about 1% of men; ΔE 48.5 from the original

Tritanopia#8F0021no blue cones; rare, and affects men and women equally; ΔE 12.9 from the original

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

Contrast with white, large text9.95:1WCAG large text: AAA

Contrast with black, large text2.11:1WCAG large text: Fail

Named colours

Brown · ΔE 18.6 Maroon · ΔE 23.3 Indian red · ΔE 26.1 Dark red · ΔE 26.9 Firebrick · ΔE 27.2 Sienna · ΔE 30.3

Nearest named CSS colourBrown (#A52A2A)ΔE 18.57, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#17826B

Analogous#821763, #823517

Triadic#2E8217, #172E82

Split complementary#178235, #176382

Tetradic#648217, #17826B, #361782

Tints, shades & saturation

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

Lighter +40%#E87D94

Lighter +30%#E05270

Lighter +20%#D9264D

Lighter +10%#AD1F3D

Darker −10%#570F1F

Darker −20%#2B080F

Darker −30%#000000

Darker −40%#000000

More saturated +25%#950423

Less saturated −25%#6F2A39

Channel breakdown

R130

G23

B46

Red130 (51%)

Green23 (9%)

Blue46 (18%)

Hue347.1°

Saturation (HSL)69.93%

Lightness30%

Dominant channelRed

Hex per channelR 82 · G 17 · B 2E

Keep nerding

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

#82172E

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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