Colour

#25313C

#25313C
Blue
Dark
Nearest: Dark slate grey

#25313C is a blue with RGB values 37, 49, 60 and HSL 209°, 24%, 19%. It is a dark colour, so white text on it reaches 13.3:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#25313C#25313C

HEX#25313C

RGBrgb(37, 49, 60)

RGB (0–1)0.1451, 0.1922, 0.2353

RGB percentages14.5%, 19.2%, 23.5%

HSLhsl(208.7, 23.7%, 19%)

HSV / HSBhsv(208.7, 38.3%, 23.5%)

CMYK38.3%, 18.3%, 0%, 76.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,437,436

CSS custom property--colour: #25313C;

Brightness & contrast

Relative luminance0.02916WCAG 2.x, 0 is black and 1 is white

Perceived brightness47.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 13.26:1

Contrast with white13.26:1WCAG normal text: AAA

Contrast with black1.58:1WCAG normal text: Fail

Greyscale equivalent#2F2F2F

Inverted#DACEC3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#2D313Dno red cones; affects about 1% of men; ΔE 3.4 from the original

Deuteranopia#2A2F3Cno green cones; the most common form, about 1% of men; ΔE 3.2 from the original

Tritanopia#1E3435no blue cones; rare, and affects men and women equally; ΔE 8.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text13.26:1WCAG large text: AAA

Contrast with black, large text1.58:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 16 Black · ΔE 21.6 Dim grey · ΔE 26.2 Slate grey · ΔE 33.2 Gray · ΔE 35 Light slate grey · ΔE 36.3

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 15.99, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3C3025

Analogous#253C3B, #25263C

Triadic#3C2531, #313C25

Split complementary#3C2526, #3C3B25

Tetradic#3B253C, #3C3025, #263C25

Tints, shades & saturation

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

Lighter +40%#7E98AF

Lighter +30%#5F7E9B

Lighter +20%#4C657B

Lighter +10%#384B5C

Darker −10%#12171C

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#193248

Less saturated −25%#313131

Channel breakdown

R37

G49

B60

Red37 (14.5%)

Green49 (19.2%)

Blue60 (23.5%)

Hue208.7°

Saturation (HSL)23.71%

Lightness19.02%

Dominant channelBlue

Hex per channelR 25 · G 31 · B 3C

Keep nerding

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

#25313C

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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