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Recognised as Colour

#24407D

  • #24407D
  • Blue
  • Dark
  • Nearest: Dark slateblue

#24407D is a blue with RGB values 36, 64, 125 and HSL 221°, 55%, 32%. It is a dark colour, so white text on it reaches 10:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#24407D#24407D
HEX#24407D
RGBrgb(36, 64, 125)
RGB (0–1)0.1412, 0.251, 0.4902
RGB percentages14.1%, 25.1%, 49%
HSLhsl(221.1, 55.3%, 31.6%)
HSV / HSBhsv(221.1, 71.2%, 49%)
CMYK71.2%, 48.8%, 0%, 51%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,375,805
CSS custom property--colour: #24407D;

Brightness & contrast

Relative luminance0.05523WCAG 2.x, 0 is black and 1 is white
Perceived brightness67.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.98:1
Contrast with white9.98:1WCAG normal text: AAA
Contrast with black2.1:1WCAG normal text: Fail
Greyscale equivalent#3E3E3E
Inverted#DBBF82

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#20477Fno red cones; affects about 1% of men; ΔE 5.5 from the original
Deuteranopia#0D3F7Cno green cones; the most common form, about 1% of men; ΔE 3.1 from the original
Tritanopia#004E58no blue cones; rare, and affects men and women equally; ΔE 38.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.98:1WCAG large text: AAA
Contrast with black, large text2.1:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 15.4Midnight blue · ΔE 26.4Steel blue · ΔE 29.4Rebecca purple · ΔE 33.1Cornflower blue · ΔE 35.7Slate blue · ΔE 36
Nearest named CSS colourDark slateblue (#483D8B)ΔE 15.37, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7D6124
Analogous#246D7D, #34247D
Triadic#7D2440, #407D24
Split complementary#7D3424, #6D7D24
Tetradic#7D246D, #7D6124, #247D34

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8EA8DF
Lighter +30%#6789D3
Lighter +20%#3F6AC8
Lighter +10%#2F54A5
Darker −10%#192C55
Darker −20%#0D172E
Darker −30%#020306
Darker −40%#000000
More saturated +25%#103991
Less saturated −25%#384769

Channel breakdown

R36
G64
B125
Red36 (14.1%)
Green64 (25.1%)
Blue125 (49%)
Hue221.12°
Saturation (HSL)55.28%
Lightness31.57%
Dominant channelBlue
Hex per channelR 24 · G 40 · B 7D

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Every value on this page was computed from “24407d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.