Colour

#02231F

#02231F
Cyan
Dark
Nearest: Black

#02231F is a cyan with RGB values 2, 35, 31 and HSL 173°, 89%, 7%. It is a dark colour, so white text on it reaches 16.6:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#02231F#02231F

HEX#02231F

RGBrgb(2, 35, 31)

RGB (0–1)0.0078, 0.1373, 0.1216

RGB percentages0.8%, 13.7%, 12.2%

HSLhsl(172.7, 89.2%, 7.3%)

HSV / HSBhsv(172.7, 94.3%, 13.7%)

CMYK94.3%, 0%, 11.4%, 86.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer140,063

CSS custom property--colour: #02231F;

Brightness & contrast

Relative luminance0.01314WCAG 2.x, 0 is black and 1 is white

Perceived brightness28.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 16.63:1

Contrast with white16.63:1WCAG normal text: AAA

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

Greyscale equivalent#1C1C1C

Inverted#FDDCE0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#21201Fno red cones; affects about 1% of men; ΔE 13.6 from the original

Deuteranopia#1C1D1Fno green cones; the most common form, about 1% of men; ΔE 13.3 from the original

Tritanopia#002422no blue cones; rare, and affects men and women equally; ΔE 1.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text16.63:1WCAG large text: AAA

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

Named colours

Black · ΔE 17.5 Dark slate grey · ΔE 20.2 Dim grey · ΔE 35.6 Teal · ΔE 40.8 Slate grey · ΔE 44 Gray · ΔE 44.3

Nearest named CSS colourBlack (#000000)ΔE 17.49, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#230206

Analogous#02230F, #021623

Triadic#1F0223, #231F02

Split complementary#230216, #230F02

Tetradic#0F0223, #230206, #162302

Tints, shades & saturation

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

Lighter +40%#0DE4CA

Lighter +30%#0AB49F

Lighter +20%#088374

Lighter +10%#05534A

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#002521

Less saturated −25%#071E1B

Channel breakdown

G35

B31

Red2 (0.8%)

Green35 (13.7%)

Blue31 (12.2%)

Hue172.73°

Saturation (HSL)89.19%

Lightness7.25%

Dominant channelGreen

Hex per channelR 02 · G 23 · B 1F

Keep nerding

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

#02231F

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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