Colour

#021937

#021937
Blue
Dark
Nearest: Black

#021937 is a blue with RGB values 2, 25, 55 and HSL 214°, 93%, 11%. It is a dark colour, so white text on it reaches 17.5:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#021937#021937

HEX#021937

RGBrgb(2, 25, 55)

RGB (0–1)0.0078, 0.098, 0.2157

RGB percentages0.8%, 9.8%, 21.6%

HSLhsl(214, 93%, 11.2%)

HSV / HSBhsv(214, 96.4%, 21.6%)

CMYK96.4%, 54.5%, 0%, 78.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer137,527

CSS custom property--colour: #021937;

Brightness & contrast

Relative luminance0.00984WCAG 2.x, 0 is black and 1 is white

Perceived brightness26.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 17.55:1

Contrast with white17.55:1WCAG normal text: AAA

Contrast with black1.2:1WCAG normal text: Fail

Greyscale equivalent#161616

Inverted#FDE6C8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#081C38no red cones; affects about 1% of men; ΔE 2.3 from the original

Deuteranopia#001736no green cones; the most common form, about 1% of men; ΔE 1.4 from the original

Tritanopia#002025no blue cones; rare, and affects men and women equally; ΔE 21 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text17.55:1WCAG large text: AAA

Contrast with black, large text1.2:1WCAG large text: Fail

Named colours

Black · ΔE 24.3 Dark slate grey · ΔE 33.3 Dark slateblue · ΔE 36.6 Midnight blue · ΔE 39.1 Dim grey · ΔE 42.2 Steel blue · ΔE 45.6

Nearest named CSS colourBlack (#000000)ΔE 24.35, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#372002

Analogous#023437, #050237

Triadic#370219, #193702

Split complementary#370502, #343702

Tetradic#370234, #372002, #023705

Tints, shades & saturation

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

Lighter +40%#0F73F6

Lighter +30%#075CCB

Lighter +20%#064699

Lighter +10%#042F68

Darker −10%#000306

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#001939

Less saturated −25%#091A30

Channel breakdown

G25

B55

Red2 (0.8%)

Green25 (9.8%)

Blue55 (21.6%)

Hue213.96°

Saturation (HSL)92.98%

Lightness11.18%

Dominant channelBlue

Hex per channelR 02 · G 19 · B 37

Keep nerding

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#021937

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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