Colour

#17221E

#17221E
Cyan
Dark
Nearest: Black

#17221E is a cyan with RGB values 23, 34, 30 and HSL 158°, 19%, 11%. It is a dark colour, so white text on it reaches 16.4:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#17221E#17221E

HEX#17221E

RGBrgb(23, 34, 30)

RGB (0–1)0.0902, 0.1333, 0.1176

RGB percentages9%, 13.3%, 11.8%

HSLhsl(158.2, 19.3%, 11.2%)

HSV / HSBhsv(158.2, 32.4%, 13.3%)

CMYK32.4%, 0%, 11.8%, 86.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,516,062

CSS custom property--colour: #17221E;

Brightness & contrast

Relative luminance0.0142WCAG 2.x, 0 is black and 1 is white

Perceived brightness30.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 16.36:1

Contrast with white16.36:1WCAG normal text: AAA

Contrast with black1.28:1WCAG normal text: Fail

Greyscale equivalent#1F1F1F

Inverted#E8DDE1

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#21211Eno red cones; affects about 1% of men; ΔE 5.4 from the original

Deuteranopia#1F1F1Eno green cones; the most common form, about 1% of men; ΔE 5.8 from the original

Tritanopia#142221no blue cones; rare, and affects men and women equally; ΔE 2.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text16.36:1WCAG large text: AAA

Contrast with black, large text1.28:1WCAG large text: Fail

Named colours

Black · ΔE 13.5 Dark slate grey · ΔE 20.6 Dim grey · ΔE 32.9 Gray · ΔE 41.9 Slate grey · ΔE 42.6 Teal · ΔE 43.9

Nearest named CSS colourBlack (#000000)ΔE 13.53, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#22171B

Analogous#172218, #172022

Triadic#1E1722, #221E17

Split complementary#221720, #221817

Tetradic#191722, #22171B, #212217

Tints, shades & saturation

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

Lighter +40%#6A9B89

Lighter +30%#557D6F

Lighter +20%#405F54

Lighter +10%#2C4039

Darker −10%#020403

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#102920

Less saturated −25%#1C1C1C

Channel breakdown

R23

G34

B30

Red23 (9%)

Green34 (13.3%)

Blue30 (11.8%)

Hue158.18°

Saturation (HSL)19.3%

Lightness11.18%

Dominant channelGreen

Hex per channelR 17 · G 22 · B 1E

Keep nerding

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

#17221E

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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