Colour

#151C1F

#151C1F
Cyan
Dark
Nearest: Black

#151C1F is a cyan with RGB values 21, 28, 31 and HSL 198°, 19%, 10%. It is a dark colour, so white text on it reaches 17.2:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#151C1F#151C1F

HEX#151C1F

RGBrgb(21, 28, 31)

RGB (0–1)0.0824, 0.1098, 0.1216

RGB percentages8.2%, 11%, 12.2%

HSLhsl(198, 19.2%, 10.2%)

HSV / HSBhsv(198, 32.3%, 12.2%)

CMYK32.3%, 9.7%, 0%, 87.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,383,455

CSS custom property--colour: #151C1F;

Brightness & contrast

Relative luminance0.01089WCAG 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 17.24:1

Contrast with white17.24:1WCAG normal text: AAA

Contrast with black1.22:1WCAG normal text: Fail

Greyscale equivalent#1B1B1B

Inverted#EAE3E0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1A1C1Fno red cones; affects about 1% of men; ΔE 2.3 from the original

Deuteranopia#191A1Fno green cones; the most common form, about 1% of men; ΔE 3.3 from the original

Tritanopia#121D1Dno blue cones; rare, and affects men and women equally; ΔE 3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text17.24:1WCAG large text: AAA

Contrast with black, large text1.22:1WCAG large text: Fail

Named colours

Black · ΔE 10.5 Dark slate grey · ΔE 23.5 Dim grey · ΔE 34.9 Slate grey · ΔE 43.8 Gray · ΔE 44 Light slate grey · ΔE 46.9

Nearest named CSS colourBlack (#000000)ΔE 10.46, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1F1815

Analogous#151F1D, #15171F

Triadic#1F151C, #1C1F15

Split complementary#1F1517, #1F1D15

Tetradic#1D151F, #1F1815, #171F15

Tints, shades & saturation

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

Lighter +40%#688A98

Lighter +30%#536E7A

Lighter +20%#3E535C

Lighter +10%#2A373D

Darker −10%#000101

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#0F1F26

Less saturated −25%#1A1A1A

Channel breakdown

R21

G28

B31

Red21 (8.2%)

Green28 (11%)

Blue31 (12.2%)

Hue198°

Saturation (HSL)19.23%

Lightness10.2%

Dominant channelBlue

Hex per channelR 15 · G 1C · B 1F

Keep nerding

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

#151C1F

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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