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Colour

#081837

  • #081837
  • Blue
  • Dark
  • Nearest: Black

#081837 is a blue with RGB values 8, 24, 55 and HSL 220°, 75%, 12%. It is a dark colour, so white text on it reaches 17.6:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#081837#081837
HEX#081837
RGBrgb(8, 24, 55)
RGB (0–1)0.0314, 0.0941, 0.2157
RGB percentages3.1%, 9.4%, 21.6%
HSLhsl(219.6, 74.6%, 12.4%)
HSV / HSBhsv(219.6, 85.5%, 21.6%)
CMYK85.5%, 56.4%, 0%, 78.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer530,487
CSS custom property--colour: #081837;

Brightness & contrast

Relative luminance0.00981WCAG 2.x, 0 is black and 1 is white
Perceived brightness26.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.56:1
Contrast with white17.56:1WCAG normal text: AAA
Contrast with black1.2:1WCAG normal text: Fail
Greyscale equivalent#171717
Inverted#F7E7C8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#071B38no red cones; affects about 1% of men; ΔE 2.6 from the original
Deuteranopia#001736no green cones; the most common form, about 1% of men; ΔE 1.7 from the original
Tritanopia#001F24no blue cones; rare, and affects men and women equally; ΔE 22.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.56:1WCAG large text: AAA
Contrast with black, large text1.2:1WCAG large text: Fail

Named colours

Black · ΔE 24.8Dark slate grey · ΔE 34.4Dark slateblue · ΔE 35.4Midnight blue · ΔE 37.8Dim grey · ΔE 42.5Steel blue · ΔE 46
Nearest named CSS colourBlack (#000000)ΔE 24.82, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#372708
Analogous#082F37, #100837
Triadic#370818, #183708
Split complementary#371008, #2F3708
Tetradic#37082F, #372708, #08370F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#2B69E0
Lighter +30%#1B52BD
Lighter +20%#153F90
Lighter +10%#0E2B64
Darker −10%#02050A
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00153F
Less saturated −25%#101B2F

Channel breakdown

R8
G24
B55
Red8 (3.1%)
Green24 (9.4%)
Blue55 (21.6%)
Hue219.57°
Saturation (HSL)74.6%
Lightness12.35%
Dominant channelBlue
Hex per channelR 08 · G 18 · B 37

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Every value on this page was computed from “hex 081837” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.