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Recognised as Colour

#010531

  • #010531
  • Blue
  • Dark
  • Nearest: Black

#010531 is a blue with RGB values 1, 5, 49 and HSL 235°, 96%, 10%. It is a dark colour, so white text on it reaches 19.7:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#010531#010531
HEX#010531
RGBrgb(1, 5, 49)
RGB (0–1)0.0039, 0.0196, 0.1922
RGB percentages0.4%, 2%, 19.2%
HSLhsl(235, 96%, 9.8%)
HSV / HSBhsv(235, 98%, 19.2%)
CMYK98%, 89.8%, 0%, 80.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer66,865
CSS custom property--colour: #010531;

Brightness & contrast

Relative luminance0.00337WCAG 2.x, 0 is black and 1 is white
Perceived brightness17 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 19.67:1
Contrast with white19.67:1WCAG normal text: AAA
Contrast with black1.07:1WCAG normal text: Fail
Greyscale equivalent#070707
Inverted#FEFACE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#000E32no red cones; affects about 1% of men; ΔE 4.6 from the original
Deuteranopia#000830no green cones; the most common form, about 1% of men; ΔE 2.5 from the original
Tritanopia#00121Ano blue cones; rare, and affects men and women equally; ΔE 25.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text19.67:1WCAG large text: AAA
Contrast with black, large text1.07:1WCAG large text: Fail

Named colours

Black · ΔE 30Midnight blue · ΔE 32.3Dark slateblue · ΔE 34.4Dark slate grey · ΔE 43.9Rebecca purple · ΔE 47.2Indigo · ΔE 50.4
Nearest named CSS colourBlack (#000000)ΔE 29.98, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#312D01
Analogous#011D31, #150131
Triadic#310105, #053101
Split complementary#311501, #1D3101
Tetradic#31011D, #312D01, #013115

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#0519F9
Lighter +30%#0414C7
Lighter +20%#030F95
Lighter +10%#020A63
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#000432
Less saturated −25%#070A2B

Channel breakdown

R1
G5
B49
Red1 (0.4%)
Green5 (2%)
Blue49 (19.2%)
Hue235°
Saturation (HSL)96%
Lightness9.8%
Dominant channelBlue
Hex per channelR 01 · G 05 · B 31

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Every value on this page was computed from “hex 010531” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.