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Recognised as Colour

#031F2E

  • #031F2E
  • Blue
  • Dark
  • Nearest: Black

#031F2E is a blue with RGB values 3, 31, 46 and HSL 201°, 88%, 10%. It is a dark colour, so white text on it reaches 16.9:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#031F2E#031F2E
HEX#031F2E
RGBrgb(3, 31, 46)
RGB (0–1)0.0118, 0.1216, 0.1804
RGB percentages1.2%, 12.2%, 18%
HSLhsl(200.9, 87.8%, 9.6%)
HSV / HSBhsv(200.9, 93.5%, 18%)
CMYK93.5%, 32.6%, 0%, 82%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer204,590
CSS custom property--colour: #031F2E;

Brightness & contrast

Relative luminance0.01197WCAG 2.x, 0 is black and 1 is white
Perceived brightness28.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.94:1
Contrast with white16.94:1WCAG normal text: AAA
Contrast with black1.24:1WCAG normal text: Fail
Greyscale equivalent#1A1A1A
Inverted#FCE0D1

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#181F2Fno red cones; affects about 1% of men; ΔE 6.4 from the original
Deuteranopia#121B2Eno green cones; the most common form, about 1% of men; ΔE 6.9 from the original
Tritanopia#002324no blue cones; rare, and affects men and women equally; ΔE 11.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.94:1WCAG large text: AAA
Contrast with black, large text1.24:1WCAG large text: Fail

Named colours

Black · ΔE 17.2Dark slate grey · ΔE 24Dim grey · ΔE 36.5Slate grey · ΔE 42.4Gray · ΔE 45.2Teal · ΔE 45.4
Nearest named CSS colourBlack (#000000)ΔE 17.23, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#2E1203
Analogous#032E28, #03092E
Triadic#2E031F, #1F2E03
Split complementary#2E0309, #2E2803
Tetradic#28032E, #2E1203, #092E03

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#0FA0EE
Lighter +30%#0C80BE
Lighter +20%#09608E
Lighter +10%#063F5E
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#002031
Less saturated −25%#091D28

Channel breakdown

R3
G31
B46
Red3 (1.2%)
Green31 (12.2%)
Blue46 (18%)
Hue200.93°
Saturation (HSL)87.76%
Lightness9.61%
Dominant channelBlue
Hex per channelR 03 · G 1F · B 2E

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Every value on this page was computed from “031f2e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.