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Recognised as Colour

#24559D

  • #24559D
  • Blue
  • Dark
  • Nearest: Dark slateblue

#24559D is a blue with RGB values 36, 85, 157 and HSL 216°, 63%, 38%. It is a dark colour, so white text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#24559D#24559D
HEX#24559D
RGBrgb(36, 85, 157)
RGB (0–1)0.1412, 0.3333, 0.6157
RGB percentages14.1%, 33.3%, 61.6%
HSLhsl(215.7, 62.7%, 37.8%)
HSV / HSBhsv(215.7, 77.1%, 61.6%)
CMYK77.1%, 45.9%, 0%, 38.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,381,213
CSS custom property--colour: #24559D;

Brightness & contrast

Relative luminance0.09306WCAG 2.x, 0 is black and 1 is white
Perceived brightness86.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.34:1
Contrast with white7.34:1WCAG normal text: AAA
Contrast with black2.86:1WCAG normal text: Fail
Greyscale equivalent#505050
Inverted#DBAA62

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#305CA0no red cones; affects about 1% of men; ΔE 4.1 from the original
Deuteranopia#16519Cno green cones; the most common form, about 1% of men; ΔE 2.8 from the original
Tritanopia#006671no blue cones; rare, and affects men and women equally; ΔE 43.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.34:1WCAG large text: AAA
Contrast with black, large text2.86:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 17.2Steel blue · ΔE 24.2Cornflower blue · ΔE 25.9Royal blue · ΔE 29.1Dodgerblue · ΔE 30Midnight blue · ΔE 30.6
Nearest named CSS colourDark slateblue (#483D8B)ΔE 17.21, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9D6C24
Analogous#24929D, #2F249D
Triadic#9D2455, #559D24
Split complementary#9D2F24, #929D24
Tetradic#9D2492, #9D6C24, #249D30

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A3C0EA
Lighter +30%#7AA3E0
Lighter +20%#5087D7
Lighter +10%#2E6BC6
Darker −10%#1A3F74
Darker −20%#11284A
Darker −30%#071221
Darker −40%#000000
More saturated +25%#0C50B5
Less saturated −25%#3C5A85

Channel breakdown

R36
G85
B157
Red36 (14.1%)
Green85 (33.3%)
Blue157 (61.6%)
Hue215.7°
Saturation (HSL)62.69%
Lightness37.84%
Dominant channelBlue
Hex per channelR 24 · G 55 · B 9D

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Every value on this page was computed from “24559d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.