Colour

#002957

#002957
Blue
Dark
Nearest: Dark slateblue

#002957 is a blue with RGB values 0, 41, 87 and HSL 212°, 100%, 17%. It is a dark colour, so white text on it reaches 14.4:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#002957#002957

HEX#002957

RGBrgb(0, 41, 87)

RGB (0–1)0, 0.1608, 0.3412

RGB percentages0%, 16.1%, 34.1%

HSLhsl(211.7, 100%, 17.1%)

HSV / HSBhsv(211.7, 100%, 34.1%)

CMYK100%, 52.9%, 0%, 65.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer10,583

CSS custom property--colour: #002957;

Brightness & contrast

Relative luminance0.02274WCAG 2.x, 0 is black and 1 is white

Perceived brightness43 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 14.43:1

Contrast with white14.43:1WCAG normal text: AAA

Contrast with black1.45:1WCAG normal text: Fail

Greyscale equivalent#242424

Inverted#FFD6A8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0C2E59no red cones; affects about 1% of men; ΔE 3.4 from the original

Deuteranopia#002656no green cones; the most common form, about 1% of men; ΔE 2.4 from the original

Tritanopia#00343Bno blue cones; rare, and affects men and women equally; ΔE 30.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text14.43:1WCAG large text: AAA

Contrast with black, large text1.45:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 25.7 Midnight blue · ΔE 30.4 Black · ΔE 36.5 Dark slate grey · ΔE 36.6 Steel blue · ΔE 37.4 Rebecca purple · ΔE 42.1

Nearest named CSS colourDark slateblue (#483D8B)ΔE 25.67, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#572E00

Analogous#005557, #020057

Triadic#570029, #295700

Split complementary#570200, #555700

Tetradic#570055, #572E00, #005703

Tints, shades & saturation

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

Lighter +40%#248BFF

Lighter +30%#0071F0

Lighter +20%#0059BD

Lighter +10%#00418A

Darker −10%#001124

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#002957

Less saturated −25%#0B2A4C

Channel breakdown

G41

B87

Red0 (0%)

Green41 (16.1%)

Blue87 (34.1%)

Hue211.72°

Saturation (HSL)100%

Lightness17.06%

Dominant channelBlue

Hex per channelR 00 · G 29 · B 57

Keep nerding

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#002957

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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