Recognised as Colour

#00231B

#00231B
Cyan
Dark
Nearest: Black

#00231B is a cyan with RGB values 0, 35, 27 and HSL 166°, 100%, 7%. It is a dark colour, so white text on it reaches 16.7:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#00231B#00231B

HEX#00231B

RGBrgb(0, 35, 27)

RGB (0–1)0, 0.1373, 0.1059

RGB percentages0%, 13.7%, 10.6%

HSLhsl(166.3, 100%, 6.9%)

HSV / HSBhsv(166.3, 100%, 13.7%)

CMYK100%, 0%, 22.9%, 86.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer8,987

CSS custom property--colour: #00231B;

Brightness & contrast

Relative luminance0.01281WCAG 2.x, 0 is black and 1 is white

Perceived brightness28.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 16.72:1

Contrast with white16.72:1WCAG normal text: AAA

Contrast with black1.26:1WCAG normal text: Fail

Greyscale equivalent#1B1B1B

Inverted#FFDCE4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#21201Bno red cones; affects about 1% of men; ΔE 14.8 from the original

Deuteranopia#1D1C1Cno green cones; the most common form, about 1% of men; ΔE 15.9 from the original

Tritanopia#002421no blue cones; rare, and affects men and women equally; ΔE 3.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text16.72:1WCAG large text: AAA

Contrast with black, large text1.26:1WCAG large text: Fail

Named colours

Black · ΔE 19 Dark slate grey · ΔE 21.2 Dim grey · ΔE 36.7 Teal · ΔE 40.8 Dark olivegreen · ΔE 42.5 Dark cyan · ΔE 45.1

Nearest named CSS colourBlack (#000000)ΔE 19.02, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#230008

Analogous#00230A, #001A23

Triadic#1B0023, #231B00

Split complementary#23001A, #230A00

Tetradic#090023, #230008, #1A2300

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#00EFB8

Lighter +30%#00BC91

Lighter +20%#00896A

Lighter +10%#005642

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#00231B

Less saturated −25%#041F19

Channel breakdown

G35

B27

Red0 (0%)

Green35 (13.7%)

Blue27 (10.6%)

Hue166.29°

Saturation (HSL)100%

Lightness6.86%

Dominant channelGreen

Hex per channelR 00 · G 23 · B 1B

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#00231B

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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