Recognised as Colour

#25303D

#25303D
Blue
Dark
Nearest: Dark slate grey

#25303D is a blue with RGB values 37, 48, 61 and HSL 213°, 24%, 19%. It is a dark colour, so white text on it reaches 13.4:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#25303D#25303D

HEX#25303D

RGBrgb(37, 48, 61)

RGB (0–1)0.1451, 0.1882, 0.2392

RGB percentages14.5%, 18.8%, 23.9%

HSLhsl(212.5, 24.5%, 19.2%)

HSV / HSBhsv(212.5, 39.3%, 23.9%)

CMYK39.3%, 21.3%, 0%, 76.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,437,181

CSS custom property--colour: #25303D;

Brightness & contrast

Relative luminance0.02844WCAG 2.x, 0 is black and 1 is white

Perceived brightness46.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 13.39:1

Contrast with white13.39:1WCAG normal text: AAA

Contrast with black1.57:1WCAG normal text: Fail

Greyscale equivalent#2F2F2F

Inverted#DACFC2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#2B303Eno red cones; affects about 1% of men; ΔE 2.6 from the original

Deuteranopia#282E3Dno green cones; the most common form, about 1% of men; ΔE 2.6 from the original

Tritanopia#1D3334no blue cones; rare, and affects men and women equally; ΔE 9.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text13.39:1WCAG large text: AAA

Contrast with black, large text1.57:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 17.2 Black · ΔE 21.7 Dim grey · ΔE 26.8 Slate grey · ΔE 33.5 Gray · ΔE 35.5 Light slate grey · ΔE 36.6

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 17.2, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3D3225

Analogous#253C3D, #26253D

Triadic#3D2530, #303D25

Split complementary#3D2625, #3C3D25

Tetradic#3D253C, #3D3225, #253D26

Tints, shades & saturation

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

Lighter +40%#7E95B0

Lighter +30%#5F7B9C

Lighter +20%#4C627C

Lighter +10%#38495D

Darker −10%#12171D

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#192F49

Less saturated −25%#313131

Channel breakdown

R37

G48

B61

Red37 (14.5%)

Green48 (18.8%)

Blue61 (23.9%)

Hue212.5°

Saturation (HSL)24.49%

Lightness19.22%

Dominant channelBlue

Hex per channelR 25 · G 30 · B 3D

Keep nerding

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

#25303D

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