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Recognised as Colour

#0C3879

  • #0C3879
  • Blue
  • Dark
  • Nearest: Dark slateblue

#0C3879 is a blue with RGB values 12, 56, 121 and HSL 216°, 82%, 26%. It is a dark colour, so white text on it reaches 11.3:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#0C3879#0C3879
HEX#0C3879
RGBrgb(12, 56, 121)
RGB (0–1)0.0471, 0.2196, 0.4745
RGB percentages4.7%, 22%, 47.5%
HSLhsl(215.8, 82%, 26.1%)
HSV / HSBhsv(215.8, 90.1%, 47.5%)
CMYK90.1%, 53.7%, 0%, 52.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer800,889
CSS custom property--colour: #0C3879;

Brightness & contrast

Relative luminance0.04287WCAG 2.x, 0 is black and 1 is white
Perceived brightness59.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.31:1
Contrast with white11.31:1WCAG normal text: AAA
Contrast with black1.86:1WCAG normal text: Fail
Greyscale equivalent#333333
Inverted#F3C786

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0A407Bno red cones; affects about 1% of men; ΔE 6.3 from the original
Deuteranopia#003678no green cones; the most common form, about 1% of men; ΔE 1.3 from the original
Tritanopia#004853no blue cones; rare, and affects men and women equally; ΔE 40.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.31:1WCAG large text: AAA
Contrast with black, large text1.86:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 14.9Midnight blue · ΔE 22.7Rebecca purple · ΔE 32Steel blue · ΔE 33.7Slate blue · ΔE 35.5Royal blue · ΔE 36.2
Nearest named CSS colourDark slateblue (#483D8B)ΔE 14.9, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#794D0C
Analogous#0C6E79, #170C79
Triadic#790C38, #38790C
Split complementary#79170C, #6E790C
Tetradic#790C6E, #794D0C, #0C7917

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#629BEF
Lighter +30%#337DEB
Lighter +20%#1563D6
Lighter +10%#114DA7
Darker −10%#07234B
Darker −20%#030D1C
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003685
Less saturated −25%#1D3B68

Channel breakdown

R12
G56
B121
Red12 (4.7%)
Green56 (22%)
Blue121 (47.5%)
Hue215.78°
Saturation (HSL)81.95%
Lightness26.08%
Dominant channelBlue
Hex per channelR 0C · G 38 · B 79

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Every value on this page was computed from “0c3879” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.