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Recognised as Colour

#24255B

  • #24255B
  • Blue
  • Dark
  • Nearest: Dark slateblue

#24255B is a blue with RGB values 36, 37, 91 and HSL 239°, 43%, 25%. It is a dark colour, so white text on it reaches 14.1:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#24255B#24255B
HEX#24255B
RGBrgb(36, 37, 91)
RGB (0–1)0.1412, 0.1451, 0.3569
RGB percentages14.1%, 14.5%, 35.7%
HSLhsl(238.9, 43.3%, 24.9%)
HSV / HSBhsv(238.9, 60.4%, 35.7%)
CMYK60.4%, 59.3%, 0%, 64.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,368,859
CSS custom property--colour: #24255B;

Brightness & contrast

Relative luminance0.02454WCAG 2.x, 0 is black and 1 is white
Perceived brightness46.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.09:1
Contrast with white14.09:1WCAG normal text: AAA
Contrast with black1.49:1WCAG normal text: Fail
Greyscale equivalent#292929
Inverted#DBDAA4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#022E5Dno red cones; affects about 1% of men; ΔE 11 from the original
Deuteranopia#00295Ano green cones; the most common form, about 1% of men; ΔE 8.8 from the original
Tritanopia#07313Cno blue cones; rare, and affects men and women equally; ΔE 34.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.09:1WCAG large text: AAA
Contrast with black, large text1.49:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 18.3Midnight blue · ΔE 22.2Rebecca purple · ΔE 33Indigo · ΔE 40.1Steel blue · ΔE 40.9Black · ΔE 41.1
Nearest named CSS colourDark slateblue (#483D8B)ΔE 18.28, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5B5A24
Analogous#24415B, #3E245B
Triadic#5B2425, #255B24
Split complementary#5B3E24, #415B24
Tetradic#5B2441, #5B5A24, #245B3E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7F80CC
Lighter +30%#5A5CBE
Lighter +20%#4143A4
Lighter +10%#323480
Darker −10%#161636
Darker −20%#070712
Darker −30%#000000
Darker −40%#000000
More saturated +25%#14166B
Less saturated −25%#34344B

Channel breakdown

R36
G37
B91
Red36 (14.1%)
Green37 (14.5%)
Blue91 (35.7%)
Hue238.91°
Saturation (HSL)43.31%
Lightness24.9%
Dominant channelBlue
Hex per channelR 24 · G 25 · B 5B

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Every value on this page was computed from “24255b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.