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Recognised as Colour

#010B33

  • #010B33
  • Blue
  • Dark
  • Nearest: Black

#010B33 is a blue with RGB values 1, 11, 51 and HSL 228°, 96%, 10%. It is a dark colour, so white text on it reaches 19.1:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#010B33#010B33
HEX#010B33
RGBrgb(1, 11, 51)
RGB (0–1)0.0039, 0.0431, 0.2
RGB percentages0.4%, 4.3%, 20%
HSLhsl(228, 96.2%, 10.2%)
HSV / HSBhsv(228, 98%, 20%)
CMYK98%, 78.4%, 0%, 80%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer68,403
CSS custom property--colour: #010B33;

Brightness & contrast

Relative luminance0.00485WCAG 2.x, 0 is black and 1 is white
Perceived brightness19.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 19.14:1
Contrast with white19.14:1WCAG normal text: AAA
Contrast with black1.1:1WCAG normal text: Fail
Greyscale equivalent#0C0C0C
Inverted#FEF4CC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#001234no red cones; affects about 1% of men; ΔE 4.3 from the original
Deuteranopia#000D32no green cones; the most common form, about 1% of men; ΔE 2.1 from the original
Tritanopia#00161Dno blue cones; rare, and affects men and women equally; ΔE 25 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text19.14:1WCAG large text: AAA
Contrast with black, large text1.1:1WCAG large text: Fail

Named colours

Black · ΔE 29Midnight blue · ΔE 33.1Dark slateblue · ΔE 34.2Dark slate grey · ΔE 41.9Rebecca purple · ΔE 47.5Dim grey · ΔE 49.3
Nearest named CSS colourBlack (#000000)ΔE 29.03, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#332901
Analogous#012433, #100133
Triadic#33010B, #0B3301
Split complementary#331001, #243301
Tetradic#330124, #332901, #013310

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#0637FA
Lighter +30%#042BC9
Lighter +20%#032197
Lighter +10%#021665
Darker −10%#000001
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#000A34
Less saturated −25%#070F2D

Channel breakdown

R1
G11
B51
Red1 (0.4%)
Green11 (4.3%)
Blue51 (20%)
Hue228°
Saturation (HSL)96.15%
Lightness10.2%
Dominant channelBlue
Hex per channelR 01 · G 0B · B 33

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Every value on this page was computed from “010b33” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.