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Colour

#00000A

  • #00000A
  • Blue
  • Dark
  • Nearest: Black

#00000A is a blue with RGB values 0, 0, 10 and HSL 240°, 100%, 2%. It is a dark colour, so white text on it reaches 20.9:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#00000A#00000A
HEX#00000A
RGBrgb(0, 0, 10)
RGB (0–1)0, 0, 0.0392
RGB percentages0%, 0%, 3.9%
HSLhsl(240, 100%, 2%)
HSV / HSBhsv(240, 100%, 3.9%)
CMYK100%, 100%, 0%, 96.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10
CSS custom property--colour: #00000A;

Brightness & contrast

Relative luminance0.00022WCAG 2.x, 0 is black and 1 is white
Perceived brightness3.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 20.91:1
Contrast with white20.91:1WCAG normal text: AAA
Contrast with black1:1WCAG normal text: Fail
Greyscale equivalent#010101
Inverted#FFFFF5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00010Bno red cones; affects about 1% of men; ΔE 0.4 from the original
Deuteranopia#00000Ano green cones; the most common form, about 1% of men; ΔE 0 from the original
Tritanopia#000103no blue cones; rare, and affects men and women equally; ΔE 3.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text20.91:1WCAG large text: AAA
Contrast with black, large text1:1WCAG large text: Fail

Named colours

Black · ΔE 4Dark slate grey · ΔE 33.7Dim grey · ΔE 44.4Slate grey · ΔE 53.2Gray · ΔE 53.5Dark slateblue · ΔE 54.9
Nearest named CSS colourBlack (#000000)ΔE 4.04, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#0A0A00
Analogous#00050A, #05000A
Triadic#0A0000, #000A00
Split complementary#0A0500, #050A00
Tetradic#0A0005, #0A0A00, #000A05

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#0000D6
Lighter +30%#0000A3
Lighter +20%#000070
Lighter +10%#00003D
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00000A
Less saturated −25%#010109

Channel breakdown

R0
G0
B10
Red0 (0%)
Green0 (0%)
Blue10 (3.9%)
Hue240°
Saturation (HSL)100%
Lightness1.96%
Dominant channelBlue
Hex per channelR 00 · G 00 · B 0A

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Every value on this page was computed from “00000a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.