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Recognised as Colour

#0A03AC

  • #0A03AC
  • Blue
  • Dark
  • Nearest: Dark blue

#0A03AC is a blue with RGB values 10, 3, 172 and HSL 242°, 97%, 34%. It is a dark colour, so white text on it reaches 12.9:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#0A03AC#0A03AC
HEX#0A03AC
RGBrgb(10, 3, 172)
RGB (0–1)0.0392, 0.0118, 0.6745
RGB percentages3.9%, 1.2%, 67.5%
HSLhsl(242.5, 96.6%, 34.3%)
HSV / HSBhsv(242.5, 98.3%, 67.5%)
CMYK94.2%, 98.3%, 0%, 32.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer656,300
CSS custom property--colour: #0A03AC;

Brightness & contrast

Relative luminance0.03108WCAG 2.x, 0 is black and 1 is white
Perceived brightness58.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.95:1
Contrast with white12.95:1WCAG normal text: AAA
Contrast with black1.62:1WCAG normal text: Fail
Greyscale equivalent#111111
Inverted#F5FC53

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003AB0no red cones; affects about 1% of men; ΔE 29.7 from the original
Deuteranopia#0028AAno green cones; the most common form, about 1% of men; ΔE 18.6 from the original
Tritanopia#004663no blue cones; rare, and affects men and women equally; ΔE 87.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.95:1WCAG large text: AAA
Contrast with black, large text1.62:1WCAG large text: Fail

Named colours

Dark blue · ΔE 14.5Medium blue · ΔE 15.7Navy · ΔE 19.7Blue violet · ΔE 25.1Indigo · ΔE 26.9Dark violet · ΔE 27.8
Nearest named CSS colourDark blue (#00008B)ΔE 14.46, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A5AC03
Analogous#0351AC, #5E03AC
Triadic#AC0A03, #03AC0A
Split complementary#AC5E03, #51AC03
Tetradic#AC0351, #A5AC03, #03AC5E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#837EFD
Lighter +30%#534CFC
Lighter +20%#231AFB
Lighter +10%#0D04DE
Darker −10%#07027A
Darker −20%#040148
Darker −30%#010016
Darker −40%#000000
More saturated +25%#0700AF
Less saturated −25%#1E1996

Channel breakdown

R10
G3
B172
Red10 (3.9%)
Green3 (1.2%)
Blue172 (67.5%)
Hue242.49°
Saturation (HSL)96.57%
Lightness34.31%
Dominant channelBlue
Hex per channelR 0A · G 03 · B AC

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Every value on this page was computed from “0a03ac” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.