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Recognised as Colour

#031327

  • #031327
  • Blue
  • Dark
  • Nearest: Black

#031327 is a blue with RGB values 3, 19, 39 and HSL 213°, 86%, 8%. It is a dark colour, so white text on it reaches 18.6:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#031327#031327
HEX#031327
RGBrgb(3, 19, 39)
RGB (0–1)0.0118, 0.0745, 0.1529
RGB percentages1.2%, 7.5%, 15.3%
HSLhsl(213.3, 85.7%, 8.2%)
HSV / HSBhsv(213.3, 92.3%, 15.3%)
CMYK92.3%, 51.3%, 0%, 84.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer201,511
CSS custom property--colour: #031327;

Brightness & contrast

Relative luminance0.00632WCAG 2.x, 0 is black and 1 is white
Perceived brightness19.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.64:1
Contrast with white18.64:1WCAG normal text: AAA
Contrast with black1.13:1WCAG normal text: Fail
Greyscale equivalent#111111
Inverted#FCECD8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#091428no red cones; affects about 1% of men; ΔE 1.6 from the original
Deuteranopia#041127no green cones; the most common form, about 1% of men; ΔE 1.8 from the original
Tritanopia#00181Bno blue cones; rare, and affects men and women equally; ΔE 13.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.64:1WCAG large text: AAA
Contrast with black, large text1.13:1WCAG large text: Fail

Named colours

Black · ΔE 16.5Dark slate grey · ΔE 31Dim grey · ΔE 41.7Dark slateblue · ΔE 44.1Midnight blue · ΔE 46.7Slate grey · ΔE 47.5
Nearest named CSS colourBlack (#000000)ΔE 16.5, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#271703
Analogous#032527, #050327
Triadic#270313, #132703
Split complementary#270503, #252703
Tetradic#270325, #271703, #032705

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#126FE4
Lighter +30%#0E58B5
Lighter +20%#0A4186
Lighter +10%#072A56
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00132A
Less saturated −25%#081422

Channel breakdown

R3
G19
B39
Red3 (1.2%)
Green19 (7.5%)
Blue39 (15.3%)
Hue213.33°
Saturation (HSL)85.71%
Lightness8.24%
Dominant channelBlue
Hex per channelR 03 · G 13 · B 27

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Every value on this page was computed from “hex 031327” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.