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Colour

#000A33

  • #000A33
  • Blue
  • Dark
  • Nearest: Black

#000A33 is a blue with RGB values 0, 10, 51 and HSL 228°, 100%, 10%. It is a dark colour, so white text on it reaches 19.2:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#000A33#000A33
HEX#000A33
RGBrgb(0, 10, 51)
RGB (0–1)0, 0.0392, 0.2
RGB percentages0%, 3.9%, 20%
HSLhsl(228.2, 100%, 10%)
HSV / HSBhsv(228.2, 100%, 20%)
CMYK100%, 80.4%, 0%, 80%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,611
CSS custom property--colour: #000A33;

Brightness & contrast

Relative luminance0.00456WCAG 2.x, 0 is black and 1 is white
Perceived brightness18.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 19.24:1
Contrast with white19.24:1WCAG normal text: AAA
Contrast with black1.09:1WCAG normal text: Fail
Greyscale equivalent#0B0B0B
Inverted#FFF5CC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#001134no red cones; affects about 1% of men; ΔE 3.9 from the original
Deuteranopia#000C32no green cones; the most common form, about 1% of men; ΔE 1.9 from the original
Tritanopia#00151Dno blue cones; rare, and affects men and women equally; ΔE 24.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text19.24:1WCAG large text: AAA
Contrast with black, large text1.09:1WCAG large text: Fail

Named colours

Black · ΔE 29.4Midnight blue · ΔE 32.8Dark slateblue · ΔE 34.1Dark slate grey · ΔE 42.4Rebecca purple · ΔE 47.4Dim grey · ΔE 49.7
Nearest named CSS colourBlack (#000000)ΔE 29.43, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#332900
Analogous#002333, #0F0033
Triadic#33000A, #0A3300
Split complementary#331000, #233300
Tetradic#330024, #332900, #003310

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#0032FF
Lighter +30%#0028CC
Lighter +20%#001E99
Lighter +10%#001466
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#000A33
Less saturated −25%#060E2D

Channel breakdown

R0
G10
B51
Red0 (0%)
Green10 (3.9%)
Blue51 (20%)
Hue228.24°
Saturation (HSL)100%
Lightness10%
Dominant channelBlue
Hex per channelR 00 · G 0A · B 33

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Every value on this page was computed from “000a33” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.