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Recognised as Colour

#023F84

  • #023F84
  • Blue
  • Dark
  • Nearest: Dark slateblue

#023F84 is a blue with RGB values 2, 63, 132 and HSL 212°, 97%, 26%. It is a dark colour, so white text on it reaches 10.3:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#023F84#023F84
HEX#023F84
RGBrgb(2, 63, 132)
RGB (0–1)0.0078, 0.2471, 0.5176
RGB percentages0.8%, 24.7%, 51.8%
HSLhsl(211.8, 97%, 26.3%)
HSV / HSBhsv(211.8, 98.5%, 51.8%)
CMYK98.5%, 52.3%, 0%, 48.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer147,332
CSS custom property--colour: #023F84;

Brightness & contrast

Relative luminance0.05234WCAG 2.x, 0 is black and 1 is white
Perceived brightness65.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.26:1
Contrast with white10.26:1WCAG normal text: AAA
Contrast with black2.05:1WCAG normal text: Fail
Greyscale equivalent#373737
Inverted#FDC07B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#104687no red cones; affects about 1% of men; ΔE 4.4 from the original
Deuteranopia#003C83no green cones; the most common form, about 1% of men; ΔE 2.1 from the original
Tritanopia#00505Bno blue cones; rare, and affects men and women equally; ΔE 42.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.26:1WCAG large text: AAA
Contrast with black, large text2.05:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 14.8Midnight blue · ΔE 23.9Steel blue · ΔE 31.7Rebecca purple · ΔE 31.9Royal blue · ΔE 33.2Slate blue · ΔE 33.5
Nearest named CSS colourDark slateblue (#483D8B)ΔE 14.83, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#844702
Analogous#028084, #060284
Triadic#84023F, #3F8402
Split complementary#840602, #808402
Tetradic#840280, #844702, #028406

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#56A4FC
Lighter +30%#2389FC
Lighter +20%#046FE8
Lighter +10%#0357B6
Darker −10%#012752
Darker −20%#000F20
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003F86
Less saturated −25%#134073

Channel breakdown

R2
G63
B132
Red2 (0.8%)
Green63 (24.7%)
Blue132 (51.8%)
Hue211.85°
Saturation (HSL)97.01%
Lightness26.27%
Dominant channelBlue
Hex per channelR 02 · G 3F · B 84

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Every value on this page was computed from “023f84” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.