Colour

#25313D

#25313D
Blue
Dark
Nearest: Dark slate grey

#25313D is a blue with RGB values 37, 49, 61 and HSL 210°, 24%, 19%. It is a dark colour, so white text on it reaches 13.2:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#25313D#25313D

HEX#25313D

RGBrgb(37, 49, 61)

RGB (0–1)0.1451, 0.1922, 0.2392

RGB percentages14.5%, 19.2%, 23.9%

HSLhsl(210, 24.5%, 19.2%)

HSV / HSBhsv(210, 39.3%, 23.9%)

CMYK39.3%, 19.7%, 0%, 76.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,437,437

CSS custom property--colour: #25313D;

Brightness & contrast

Relative luminance0.02927WCAG 2.x, 0 is black and 1 is white

Perceived brightness47.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 13.25:1

Contrast with white13.25:1WCAG normal text: AAA

Contrast with black1.59:1WCAG normal text: Fail

Greyscale equivalent#2F2F2F

Inverted#DACEC2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#2C313Eno red cones; affects about 1% of men; ΔE 2.9 from the original

Deuteranopia#292F3Dno green cones; the most common form, about 1% of men; ΔE 2.9 from the original

Tritanopia#1D3435no blue cones; rare, and affects men and women equally; ΔE 9.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text13.25:1WCAG large text: AAA

Contrast with black, large text1.59:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 16.4 Black · ΔE 21.8 Dim grey · ΔE 26.4 Slate grey · ΔE 33.1 Gray · ΔE 35.1 Light slate grey · ΔE 36.2

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 16.36, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3D3125

Analogous#253D3D, #25253D

Triadic#3D2531, #313D25

Split complementary#3D2525, #3D3D25

Tetradic#3D253D, #3D3125, #253D25

Tints, shades & saturation

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

Lighter +40%#7E97B0

Lighter +30%#5F7E9C

Lighter +20%#4C647C

Lighter +10%#384B5D

Darker −10%#12181D

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#193149

Less saturated −25%#313131

Channel breakdown

R37

G49

B61

Red37 (14.5%)

Green49 (19.2%)

Blue61 (23.9%)

Hue210°

Saturation (HSL)24.49%

Lightness19.22%

Dominant channelBlue

Hex per channelR 25 · G 31 · B 3D

Keep nerding

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

#25313D

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

Nerdulate something else