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Recognised as Colour

#010B44

  • #010B44
  • Blue
  • Dark
  • Nearest: Midnight blue

#010B44 is a blue with RGB values 1, 11, 68 and HSL 231°, 97%, 14%. It is a dark colour, so white text on it reaches 18.5:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#010B44#010B44
HEX#010B44
RGBrgb(1, 11, 68)
RGB (0–1)0.0039, 0.0431, 0.2667
RGB percentages0.4%, 4.3%, 26.7%
HSLhsl(231, 97.1%, 13.5%)
HSV / HSBhsv(231, 98.5%, 26.7%)
CMYK98.5%, 83.8%, 0%, 73.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer68,420
CSS custom property--colour: #010B44;

Brightness & contrast

Relative luminance0.00663WCAG 2.x, 0 is black and 1 is white
Perceived brightness24.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.54:1
Contrast with white18.54:1WCAG normal text: AAA
Contrast with black1.13:1WCAG normal text: Fail
Greyscale equivalent#0D0D0D
Inverted#FEF4BB

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#001746no red cones; affects about 1% of men; ΔE 9.4 from the original
Deuteranopia#001043no green cones; the most common form, about 1% of men; ΔE 4.5 from the original
Tritanopia#001C27no blue cones; rare, and affects men and women equally; ΔE 37.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.54:1WCAG large text: AAA
Contrast with black, large text1.13:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 19.9Dark slateblue · ΔE 26.1Rebecca purple · ΔE 36.5Indigo · ΔE 38.1Navy · ΔE 39.7Black · ΔE 42.2
Nearest named CSS colourMidnight blue (#191970)ΔE 19.88, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#443A01
Analogous#012D44, #180144
Triadic#44010B, #0B4401
Split complementary#441801, #2D4401
Tetradic#44012D, #443A01, #014418

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#1538FC
Lighter +30%#0323DB
Lighter +20%#021BA9
Lighter +10%#021376
Darker −10%#000312
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#000A45
Less saturated −25%#0A113B

Channel breakdown

R1
G11
B68
Red1 (0.4%)
Green11 (4.3%)
Blue68 (26.7%)
Hue231.04°
Saturation (HSL)97.1%
Lightness13.53%
Dominant channelBlue
Hex per channelR 01 · G 0B · B 44

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Every value on this page was computed from “010b44” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.