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Recognised as Colour

#023EB5

  • #023EB5
  • Blue
  • Dark
  • Nearest: Slate blue

#023EB5 is a blue with RGB values 2, 62, 181 and HSL 220°, 98%, 36%. It is a dark colour, so white text on it reaches 8.9:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#023EB5#023EB5
HEX#023EB5
RGBrgb(2, 62, 181)
RGB (0–1)0.0078, 0.2431, 0.7098
RGB percentages0.8%, 24.3%, 71%
HSLhsl(219.9, 97.8%, 35.9%)
HSV / HSBhsv(219.9, 98.9%, 71%)
CMYK98.9%, 65.7%, 0%, 29%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer147,125
CSS custom property--colour: #023EB5;

Brightness & contrast

Relative luminance0.06794WCAG 2.x, 0 is black and 1 is white
Perceived brightness77.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.9:1
Contrast with white8.9:1WCAG normal text: AAA
Contrast with black2.36:1WCAG normal text: Fail
Greyscale equivalent#3A3A3A
Inverted#FDC14A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0052B9no red cones; affects about 1% of men; ΔE 14.9 from the original
Deuteranopia#0042B3no green cones; the most common form, about 1% of men; ΔE 4.4 from the original
Tritanopia#005E74no blue cones; rare, and affects men and women equally; ΔE 67.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.9:1WCAG large text: AAA
Contrast with black, large text2.36:1WCAG large text: Fail

Named colours

Slate blue · ΔE 17Royal blue · ΔE 17.8Rebecca purple · ΔE 22.2Medium slateblue · ΔE 22.5Midnight blue · ΔE 23.2Navy · ΔE 23.7
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 17, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B57902
Analogous#0297B5, #2002B5
Triadic#B5023E, #3EB502
Split complementary#B52002, #97B502
Tetradic#B50297, #B57902, #02B520

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#85AEFE
Lighter +30%#538CFD
Lighter +20%#206AFD
Lighter +10%#034FE7
Darker −10%#012D83
Darker −20%#011B50
Darker −30%#000A1E
Darker −40%#000000
More saturated +25%#003DB7
Less saturated −25%#19469E

Channel breakdown

R2
G62
B181
Red2 (0.8%)
Green62 (24.3%)
Blue181 (71%)
Hue219.89°
Saturation (HSL)97.81%
Lightness35.88%
Dominant channelBlue
Hex per channelR 02 · G 3E · B B5

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Every value on this page was computed from “023eb5” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.