Colour

#00221B

#00221B
Cyan
Dark
Nearest: Black

#00221B is a cyan with RGB values 0, 34, 27 and HSL 168°, 100%, 7%. It is a dark colour, so white text on it reaches 16.9:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#00221B#00221B

HEX#00221B

RGBrgb(0, 34, 27)

RGB (0–1)0, 0.1333, 0.1059

RGB percentages0%, 13.3%, 10.6%

HSLhsl(167.6, 100%, 6.7%)

HSV / HSBhsv(167.6, 100%, 13.3%)

CMYK100%, 0%, 20.6%, 86.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer8,731

CSS custom property--colour: #00221B;

Brightness & contrast

Relative luminance0.01223WCAG 2.x, 0 is black and 1 is white

Perceived brightness27.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 16.87:1

Contrast with white16.87:1WCAG normal text: AAA

Contrast with black1.24:1WCAG normal text: Fail

Greyscale equivalent#1A1A1A

Inverted#FFDDE4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#201F1Bno red cones; affects about 1% of men; ΔE 14.4 from the original

Deuteranopia#1B1B1Cno green cones; the most common form, about 1% of men; ΔE 15.1 from the original

Tritanopia#002320no blue cones; rare, and affects men and women equally; ΔE 3.1 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text16.87:1WCAG large text: AAA

Contrast with black, large text1.24:1WCAG large text: Fail

Named colours

Black · ΔE 18.2 Dark slate grey · ΔE 21.3 Dim grey · ΔE 36.8 Teal · ΔE 41.2 Dark olivegreen · ΔE 43.3 Gray · ΔE 45.3

Nearest named CSS colourBlack (#000000)ΔE 18.24, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#220007

Analogous#00220A, #001822

Triadic#1B0022, #221B00

Split complementary#220018, #220A00

Tetradic#0A0022, #220007, #182200

Tints, shades & saturation

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

Lighter +40%#00EEBD

Lighter +30%#00BB94

Lighter +20%#00886C

Lighter +10%#005544

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#00221B

Less saturated −25%#041E18

Channel breakdown

G34

B27

Red0 (0%)

Green34 (13.3%)

Blue27 (10.6%)

Hue167.65°

Saturation (HSL)100%

Lightness6.67%

Dominant channelGreen

Hex per channelR 00 · G 22 · B 1B

Keep nerding

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

#00221B

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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