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Recognised as Colour

#251A21

  • #251A21
  • Magenta
  • Dark
  • Nearest: Black

#251A21 is a magenta with RGB values 37, 26, 33 and HSL 322°, 17%, 12%. It is a dark colour, so white text on it reaches 16.8:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#251A21#251A21
HEX#251A21
RGBrgb(37, 26, 33)
RGB (0–1)0.1451, 0.102, 0.1294
RGB percentages14.5%, 10.2%, 12.9%
HSLhsl(321.8, 17.5%, 12.4%)
HSV / HSBhsv(321.8, 29.7%, 14.5%)
CMYK0%, 29.7%, 10.8%, 85.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,431,521
CSS custom property--colour: #251A21;

Brightness & contrast

Relative luminance0.01242WCAG 2.x, 0 is black and 1 is white
Perceived brightness30.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.82:1
Contrast with white16.82:1WCAG normal text: AAA
Contrast with black1.25:1WCAG normal text: Fail
Greyscale equivalent#1D1D1D
Inverted#DAE5DE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1A1C21no red cones; affects about 1% of men; ΔE 6.6 from the original
Deuteranopia#1D1E21no green cones; the most common form, about 1% of men; ΔE 6.7 from the original
Tritanopia#261A1Cno blue cones; rare, and affects men and women equally; ΔE 3.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.82:1WCAG large text: AAA
Contrast with black, large text1.25:1WCAG large text: Fail

Named colours

Black · ΔE 13.2Dark slate grey · ΔE 27.7Dim grey · ΔE 34.4Gray · ΔE 43.4Slate grey · ΔE 43.7Light slate grey · ΔE 46.7
Nearest named CSS colourBlack (#000000)ΔE 13.19, a distinctly different colour
Hue familymagenta
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1A251E
Analogous#231A25, #251A1C
Triadic#21251A, #1A2125
Split complementary#1C251A, #1A2523
Tetradic#25241A, #1A251E, #1A1C25

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9B708B
Lighter +30%#7F5971
Lighter +20%#614456
Lighter +10%#432F3C
Darker −10%#070506
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#2D1223
Less saturated −25%#202020

Channel breakdown

R37
G26
B33
Red37 (14.5%)
Green26 (10.2%)
Blue33 (12.9%)
Hue321.82°
Saturation (HSL)17.46%
Lightness12.35%
Dominant channelRed
Hex per channelR 25 · G 1A · B 21

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Every value on this page was computed from “251a21” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.