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Recognised as Colour

#051F23

  • #051F23
  • Cyan
  • Dark
  • Nearest: Black

#051F23 is a cyan with RGB values 5, 31, 35 and HSL 188°, 75%, 8%. It is a dark colour, so white text on it reaches 17.1:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#051F23#051F23
HEX#051F23
RGBrgb(5, 31, 35)
RGB (0–1)0.0196, 0.1216, 0.1373
RGB percentages2%, 12.2%, 13.7%
HSLhsl(188, 75%, 7.8%)
HSV / HSBhsv(188, 85.7%, 13.7%)
CMYK85.7%, 11.4%, 0%, 86.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer335,651
CSS custom property--colour: #051F23;

Brightness & contrast

Relative luminance0.01134WCAG 2.x, 0 is black and 1 is white
Perceived brightness26.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.12:1
Contrast with white17.12:1WCAG normal text: AAA
Contrast with black1.23:1WCAG normal text: Fail
Greyscale equivalent#1A1A1A
Inverted#FAE0DC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1B1D23no red cones; affects about 1% of men; ΔE 9.2 from the original
Deuteranopia#171A23no green cones; the most common form, about 1% of men; ΔE 9.7 from the original
Tritanopia#002120no blue cones; rare, and affects men and women equally; ΔE 4.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.12:1WCAG large text: AAA
Contrast with black, large text1.23:1WCAG large text: Fail

Named colours

Black · ΔE 14.2Dark slate grey · ΔE 21.6Dim grey · ΔE 35.8Teal · ΔE 43.5Slate grey · ΔE 43.5Gray · ΔE 44.7
Nearest named CSS colourBlack (#000000)ΔE 14.22, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#230905
Analogous#052318, #051023
Triadic#23051F, #1F2305
Split complementary#230510, #231805
Tetradic#180523, #230905, #102305

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#1EBDD6
Lighter +30%#1896A9
Lighter +20%#126E7C
Lighter +10%#0B4750
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#002328
Less saturated −25%#0A1B1E

Channel breakdown

R5
G31
B35
Red5 (2%)
Green31 (12.2%)
Blue35 (13.7%)
Hue188°
Saturation (HSL)75%
Lightness7.84%
Dominant channelBlue
Hex per channelR 05 · G 1F · B 23

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Every value on this page was computed from “051f23” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.