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Recognised as Colour

#0C0551

  • #0C0551
  • Blue
  • Dark
  • Nearest: Midnight blue

#0C0551 is a blue with RGB values 12, 5, 81 and HSL 246°, 88%, 17%. It is a dark colour, so white text on it reaches 18.2:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#0C0551#0C0551
HEX#0C0551
RGBrgb(12, 5, 81)
RGB (0–1)0.0471, 0.0196, 0.3176
RGB percentages4.7%, 2%, 31.8%
HSLhsl(245.5, 88.4%, 16.9%)
HSV / HSBhsv(245.5, 93.8%, 31.8%)
CMYK85.2%, 93.8%, 0%, 68.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer787,793
CSS custom property--colour: #0C0551;

Brightness & contrast

Relative luminance0.00781WCAG 2.x, 0 is black and 1 is white
Perceived brightness28.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.16:1
Contrast with white18.16:1WCAG normal text: AAA
Contrast with black1.16:1WCAG normal text: Fail
Greyscale equivalent#0C0C0C
Inverted#F3FAAE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#001953no red cones; affects about 1% of men; ΔE 15.3 from the original
Deuteranopia#001250no green cones; the most common form, about 1% of men; ΔE 10.5 from the original
Tritanopia#001E2Dno blue cones; rare, and affects men and women equally; ΔE 46.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.16:1WCAG large text: AAA
Contrast with black, large text1.16:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 10.7Dark slateblue · ΔE 24.4Indigo · ΔE 26.4Navy · ΔE 27.4Rebecca purple · ΔE 28.6Dark blue · ΔE 32.6
Nearest named CSS colourMidnight blue (#191970)ΔE 10.73, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4A5105
Analogous#052451, #320551
Triadic#510C05, #05510C
Split complementary#513205, #245105
Tetradic#510524, #4A5105, #055132

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#4230F2
Lighter +30%#210EE1
Lighter +20%#1A0BB1
Lighter +10%#130881
Darker −10%#050221
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#080056
Less saturated −25%#151046

Channel breakdown

R12
G5
B81
Red12 (4.7%)
Green5 (2%)
Blue81 (31.8%)
Hue245.53°
Saturation (HSL)88.37%
Lightness16.86%
Dominant channelBlue
Hex per channelR 0C · G 05 · B 51

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Every value on this page was computed from “0c0551” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.