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Recognised as Colour

#25101B

  • #25101B
  • Magenta
  • Dark
  • Nearest: Black

#25101B is a magenta with RGB values 37, 16, 27 and HSL 329°, 40%, 10%. It is a dark colour, so white text on it reaches 18:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#25101B#25101B
HEX#25101B
RGBrgb(37, 16, 27)
RGB (0–1)0.1451, 0.0627, 0.1059
RGB percentages14.5%, 6.3%, 10.6%
HSLhsl(328.6, 39.6%, 10.4%)
HSV / HSBhsv(328.6, 56.8%, 14.5%)
CMYK0%, 56.8%, 27%, 85.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,428,955
CSS custom property--colour: #25101B;

Brightness & contrast

Relative luminance0.00843WCAG 2.x, 0 is black and 1 is white
Perceived brightness25.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.97:1
Contrast with white17.97:1WCAG normal text: AAA
Contrast with black1.17:1WCAG normal text: Fail
Greyscale equivalent#151515
Inverted#DAEFE4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#12151Bno red cones; affects about 1% of men; ΔE 12.7 from the original
Deuteranopia#17181Ano green cones; the most common form, about 1% of men; ΔE 12.9 from the original
Tritanopia#281014no blue cones; rare, and affects men and women equally; ΔE 5.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.97:1WCAG large text: AAA
Contrast with black, large text1.17:1WCAG large text: Fail

Named colours

Black · ΔE 15.3Dark slate grey · ΔE 34.1Dim grey · ΔE 39.1Dark slateblue · ΔE 47.3Gray · ΔE 47.8Slate grey · ΔE 48.2
Nearest named CSS colourBlack (#000000)ΔE 15.25, a distinctly different colour
Hue familymagenta
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#10251A
Analogous#251025, #251010
Triadic#1B2510, #101B25
Split complementary#112510, #102525
Tetradic#252510, #10251A, #101125

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B34E83
Lighter +30%#903E69
Lighter +20%#6C2F4F
Lighter +10%#491F35
Darker −10%#010101
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#2C091B
Less saturated −25%#1E171B

Channel breakdown

R37
G16
B27
Red37 (14.5%)
Green16 (6.3%)
Blue27 (10.6%)
Hue328.57°
Saturation (HSL)39.62%
Lightness10.39%
Dominant channelRed
Hex per channelR 25 · G 10 · B 1B

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Every value on this page was computed from “25101b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.