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Recognised as Colour

#023B8C

  • #023B8C
  • Blue
  • Dark
  • Nearest: Dark slateblue

#023B8C is a blue with RGB values 2, 59, 140 and HSL 215°, 97%, 28%. It is a dark colour, so white text on it reaches 10.5:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#023B8C#023B8C
HEX#023B8C
RGBrgb(2, 59, 140)
RGB (0–1)0.0078, 0.2314, 0.549
RGB percentages0.8%, 23.1%, 54.9%
HSLhsl(215.2, 97.2%, 27.8%)
HSV / HSBhsv(215.2, 98.6%, 54.9%)
CMYK98.6%, 57.9%, 0%, 45.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer146,316
CSS custom property--colour: #023B8C;

Brightness & contrast

Relative luminance0.05034WCAG 2.x, 0 is black and 1 is white
Perceived brightness65.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.46:1
Contrast with white10.46:1WCAG normal text: AAA
Contrast with black2.01:1WCAG normal text: Fail
Greyscale equivalent#353535
Inverted#FDC473

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00468Fno red cones; affects about 1% of men; ΔE 8.3 from the original
Deuteranopia#003A8Ano green cones; the most common form, about 1% of men; ΔE 0.7 from the original
Tritanopia#00505Dno blue cones; rare, and affects men and women equally; ΔE 49.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.46:1WCAG large text: AAA
Contrast with black, large text2.01:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 11.6Midnight blue · ΔE 17.6Rebecca purple · ΔE 25.7Slate blue · ΔE 27.2Royal blue · ΔE 27.6Medium purple · ΔE 33.9
Nearest named CSS colourDark slateblue (#483D8B)ΔE 11.58, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8C5302
Analogous#02808C, #0E028C
Triadic#8C023B, #3B8C02
Split complementary#8C0E02, #808C02
Tetradic#8C0280, #8C5302, #028C0E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5D9FFD
Lighter +30%#2B81FC
Lighter +20%#0365F1
Lighter +10%#0350BE
Darker −10%#01265A
Darker −20%#011127
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003B8E
Less saturated −25%#143E7A

Channel breakdown

R2
G59
B140
Red2 (0.8%)
Green59 (23.1%)
Blue140 (54.9%)
Hue215.22°
Saturation (HSL)97.18%
Lightness27.84%
Dominant channelBlue
Hex per channelR 02 · G 3B · B 8C

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Every value on this page was computed from “023b8c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.