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Recognised as Colour

#023481

  • #023481
  • Blue
  • Dark
  • Nearest: Dark slateblue

#023481 is a blue with RGB values 2, 52, 129 and HSL 216°, 97%, 26%. It is a dark colour, so white text on it reaches 11.6:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#023481#023481
HEX#023481
RGBrgb(2, 52, 129)
RGB (0–1)0.0078, 0.2039, 0.5059
RGB percentages0.8%, 20.4%, 50.6%
HSLhsl(216.4, 96.9%, 25.7%)
HSV / HSBhsv(216.4, 98.4%, 50.6%)
CMYK98.4%, 59.7%, 0%, 49.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer144,513
CSS custom property--colour: #023481;

Brightness & contrast

Relative luminance0.04054WCAG 2.x, 0 is black and 1 is white
Perceived brightness59 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.6:1
Contrast with white11.6:1WCAG normal text: AAA
Contrast with black1.81:1WCAG normal text: Fail
Greyscale equivalent#2F2F2F
Inverted#FDCB7E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003E84no red cones; affects about 1% of men; ΔE 7.5 from the original
Deuteranopia#003380no green cones; the most common form, about 1% of men; ΔE 0.5 from the original
Tritanopia#004855no blue cones; rare, and affects men and women equally; ΔE 47.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.6:1WCAG large text: AAA
Contrast with black, large text1.81:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 11.7Midnight blue · ΔE 15.8Rebecca purple · ΔE 26.3Slate blue · ΔE 29.8Royal blue · ΔE 31Indigo · ΔE 34.1
Nearest named CSS colourDark slateblue (#483D8B)ΔE 11.73, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#814F02
Analogous#027381, #100281
Triadic#810234, #348102
Split complementary#811002, #738102
Tetradic#810273, #814F02, #028110

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5395FC
Lighter +30%#2077FC
Lighter +20%#045CE5
Lighter +10%#0348B3
Darker −10%#01204F
Darker −20%#000C1D
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003483
Less saturated −25%#123771

Channel breakdown

R2
G52
B129
Red2 (0.8%)
Green52 (20.4%)
Blue129 (50.6%)
Hue216.38°
Saturation (HSL)96.95%
Lightness25.69%
Dominant channelBlue
Hex per channelR 02 · G 34 · B 81

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Every value on this page was computed from “hex 023481” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.