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Recognised as Colour

#010D1B

  • #010D1B
  • Blue
  • Dark
  • Nearest: Black

#010D1B is a blue with RGB values 1, 13, 27 and HSL 212°, 93%, 5%. It is a dark colour, so white text on it reaches 19.5:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#010D1B#010D1B
HEX#010D1B
RGBrgb(1, 13, 27)
RGB (0–1)0.0039, 0.051, 0.1059
RGB percentages0.4%, 5.1%, 10.6%
HSLhsl(212.3, 92.9%, 5.5%)
HSV / HSBhsv(212.3, 96.3%, 10.6%)
CMYK96.3%, 51.9%, 0%, 89.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer68,891
CSS custom property--colour: #010D1B;

Brightness & contrast

Relative luminance0.00373WCAG 2.x, 0 is black and 1 is white
Perceived brightness13.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 19.54:1
Contrast with white19.54:1WCAG normal text: AAA
Contrast with black1.07:1WCAG normal text: Fail
Greyscale equivalent#0B0B0B
Inverted#FEF2E4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#070E1Cno red cones; affects about 1% of men; ΔE 1.5 from the original
Deuteranopia#040B1Bno green cones; the most common form, about 1% of men; ΔE 1.7 from the original
Tritanopia#001012no blue cones; rare, and affects men and women equally; ΔE 8.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text19.54:1WCAG large text: AAA
Contrast with black, large text1.07:1WCAG large text: Fail

Named colours

Black · ΔE 10.3Dark slate grey · ΔE 30.8Dim grey · ΔE 42.2Slate grey · ΔE 49.5Dark slateblue · ΔE 49.8Gray · ΔE 51.1
Nearest named CSS colourBlack (#000000)ΔE 10.27, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1B0F01
Analogous#011A1B, #02011B
Triadic#1B010D, #0D1B01
Split complementary#1B0201, #1A1B01
Tetradic#1B011A, #1B0F01, #011B02

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#086CE0
Lighter +30%#0654AF
Lighter +20%#053C7D
Lighter +10%#03254C
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#000D1C
Less saturated −25%#050D17

Channel breakdown

R1
G13
B27
Red1 (0.4%)
Green13 (5.1%)
Blue27 (10.6%)
Hue212.31°
Saturation (HSL)92.86%
Lightness5.49%
Dominant channelBlue
Hex per channelR 01 · G 0D · B 1B

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Every value on this page was computed from “010d1b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.