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Recognised as Colour

#232C59

  • #232C59
  • Blue
  • Dark
  • Nearest: Dark slateblue

#232C59 is a blue with RGB values 35, 44, 89 and HSL 230°, 44%, 24%. It is a dark colour, so white text on it reaches 13.3:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#232C59#232C59
HEX#232C59
RGBrgb(35, 44, 89)
RGB (0–1)0.1373, 0.1725, 0.349
RGB percentages13.7%, 17.3%, 34.9%
HSLhsl(230, 43.5%, 24.3%)
HSV / HSBhsv(230, 60.7%, 34.9%)
CMYK60.7%, 50.6%, 0%, 65.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,305,113
CSS custom property--colour: #232C59;

Brightness & contrast

Relative luminance0.0288WCAG 2.x, 0 is black and 1 is white
Perceived brightness49 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.32:1
Contrast with white13.32:1WCAG normal text: AAA
Contrast with black1.58:1WCAG normal text: Fail
Greyscale equivalent#2D2D2D
Inverted#DCD3A6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#17325Bno red cones; affects about 1% of men; ΔE 6.2 from the original
Deuteranopia#102D58no green cones; the most common form, about 1% of men; ΔE 4.9 from the original
Tritanopia#04363Eno blue cones; rare, and affects men and women equally; ΔE 30.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.32:1WCAG large text: AAA
Contrast with black, large text1.58:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 23Midnight blue · ΔE 29.5Dark slate grey · ΔE 35.8Black · ΔE 36.3Steel blue · ΔE 36.6Rebecca purple · ΔE 39
Nearest named CSS colourDark slateblue (#483D8B)ΔE 22.97, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#595023
Analogous#234759, #352359
Triadic#59232C, #2C5923
Split complementary#593523, #475923
Tetradic#592347, #595023, #235935

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7C8ACC
Lighter +30%#5869BD
Lighter +20%#4050A2
Lighter +10%#313E7E
Darker −10%#151A34
Darker −20%#060810
Darker −30%#000000
Darker −40%#000000
More saturated +25%#142269
Less saturated −25%#33364A

Channel breakdown

R35
G44
B89
Red35 (13.7%)
Green44 (17.3%)
Blue89 (34.9%)
Hue230°
Saturation (HSL)43.55%
Lightness24.31%
Dominant channelBlue
Hex per channelR 23 · G 2C · B 59

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Every value on this page was computed from “232c59” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.