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Recognised as Colour

#0A0CD4

  • #0A0CD4
  • Blue
  • Dark
  • Nearest: Medium blue

#0A0CD4 is a blue with RGB values 10, 12, 212 and HSL 239°, 91%, 44%. It is a dark colour, so white text on it reaches 10.4:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#0A0CD4#0A0CD4
HEX#0A0CD4
RGBrgb(10, 12, 212)
RGB (0–1)0.0392, 0.0471, 0.8314
RGB percentages3.9%, 4.7%, 83.1%
HSLhsl(239.4, 91%, 43.5%)
HSV / HSBhsv(239.4, 95.3%, 83.1%)
CMYK95.3%, 94.3%, 0%, 16.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer658,644
CSS custom property--colour: #0A0CD4;

Brightness & contrast

Relative luminance0.05081WCAG 2.x, 0 is black and 1 is white
Perceived brightness72.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.42:1
Contrast with white10.42:1WCAG normal text: AAA
Contrast with black2.02:1WCAG normal text: Fail
Greyscale equivalent#1A1A1A
Inverted#F5F32B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004AD9no red cones; affects about 1% of men; ΔE 33.4 from the original
Deuteranopia#0034D1no green cones; the most common form, about 1% of men; ΔE 20.7 from the original
Tritanopia#00597Cno blue cones; rare, and affects men and women equally; ΔE 100.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.42:1WCAG large text: AAA
Contrast with black, large text2.02:1WCAG large text: Fail

Named colours

Medium blue · ΔE 2.2Blue · ΔE 20.7Blue violet · ΔE 23.4Dark violet · ΔE 27.1Dark blue · ΔE 31.1Dark orchid · ΔE 36.1
Nearest named CSS colourMedium blue (#0000CD)ΔE 2.2, below the just-noticeable difference
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D4D20A
Analogous#0A71D4, #6D0AD4
Triadic#D40A0C, #0CD40A
Split complementary#D46D0A, #71D40A
Tetradic#D40A71, #D4D20A, #0AD46D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AFB0FB
Lighter +30%#7E7FF9
Lighter +20%#4D4FF7
Lighter +10%#1D1FF4
Darker −10%#0809A3
Darker −20%#050673
Darker −30%#030442
Darker −40%#010111
More saturated +25%#0002DE
Less saturated −25%#2627B8

Channel breakdown

R10
G12
B212
Red10 (3.9%)
Green12 (4.7%)
Blue212 (83.1%)
Hue239.41°
Saturation (HSL)90.99%
Lightness43.53%
Dominant channelBlue
Hex per channelR 0A · G 0C · B D4

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Every value on this page was computed from “0a0cd4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.