Colour

#151F21

#151F21
Cyan
Dark
Nearest: Black

#151F21 is a cyan with RGB values 21, 31, 33 and HSL 190°, 22%, 11%. It is a dark colour, so white text on it reaches 16.8:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#151F21#151F21

HEX#151F21

RGBrgb(21, 31, 33)

RGB (0–1)0.0824, 0.1216, 0.1294

RGB percentages8.2%, 12.2%, 12.9%

HSLhsl(190, 22.2%, 10.6%)

HSV / HSBhsv(190, 36.4%, 12.9%)

CMYK36.4%, 6.1%, 0%, 87.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,384,225

CSS custom property--colour: #151F21;

Brightness & contrast

Relative luminance0.01249WCAG 2.x, 0 is black and 1 is white

Perceived brightness28.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 16.8:1

Contrast with white16.8:1WCAG normal text: AAA

Contrast with black1.25:1WCAG normal text: Fail

Greyscale equivalent#1D1D1D

Inverted#EAE0DE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1D1E21no red cones; affects about 1% of men; ΔE 4.2 from the original

Deuteranopia#1B1D21no green cones; the most common form, about 1% of men; ΔE 4 from the original

Tritanopia#112020no blue cones; rare, and affects men and women equally; ΔE 2.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text16.8:1WCAG large text: AAA

Contrast with black, large text1.25:1WCAG large text: Fail

Named colours

Black · ΔE 11.9 Dark slate grey · ΔE 21.8 Dim grey · ΔE 33.8 Slate grey · ΔE 42.7 Gray · ΔE 42.9 Teal · ΔE 45.3

Nearest named CSS colourBlack (#000000)ΔE 11.9, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#211715

Analogous#15211D, #151921

Triadic#21151F, #1F2115

Split complementary#211519, #211D15

Tetradic#1D1521, #211715, #192115

Tints, shades & saturation

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

Lighter +40%#65949D

Lighter +30%#51777F

Lighter +20%#3D5A5F

Lighter +10%#293C40

Darker −10%#010202

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#0E2428

Less saturated −25%#1B1B1B

Channel breakdown

R21

G31

B33

Red21 (8.2%)

Green31 (12.2%)

Blue33 (12.9%)

Hue190°

Saturation (HSL)22.22%

Lightness10.59%

Dominant channelBlue

Hex per channelR 15 · G 1F · B 21

Keep nerding

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

#151F21

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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