Colour

#253D42

#253D42
Cyan
Dark
Nearest: Dark slate grey

#253D42 is a cyan with RGB values 37, 61, 66 and HSL 190°, 28%, 20%. It is a dark colour, so white text on it reaches 11.5:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#253D42#253D42

HEX#253D42

RGBrgb(37, 61, 66)

RGB (0–1)0.1451, 0.2392, 0.2588

RGB percentages14.5%, 23.9%, 25.9%

HSLhsl(190.3, 28.2%, 20.2%)

HSV / HSBhsv(190.3, 43.9%, 25.9%)

CMYK43.9%, 7.6%, 0%, 74.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,440,514

CSS custom property--colour: #253D42;

Brightness & contrast

Relative luminance0.04124WCAG 2.x, 0 is black and 1 is white

Perceived brightness55.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.51:1

Contrast with white11.51:1WCAG normal text: AAA

Contrast with black1.82:1WCAG normal text: Fail

Greyscale equivalent#383838

Inverted#DAC2BD

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#393B42no red cones; affects about 1% of men; ΔE 8.8 from the original

Deuteranopia#343842no green cones; the most common form, about 1% of men; ΔE 8.7 from the original

Tritanopia#193F3Eno blue cones; rare, and affects men and women equally; ΔE 6.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text11.51:1WCAG large text: AAA

Contrast with black, large text1.82:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 8.5 Dim grey · ΔE 22.6 Black · ΔE 26 Slate grey · ΔE 29.7 Gray · ΔE 31.1 Teal · ΔE 32.2

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 8.51, clearly different but related

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#422A25

Analogous#254239, #252E42

Triadic#42253D, #3D4225

Split complementary#42252E, #423925

Tetradic#392542, #422A25, #2E4225

Tints, shades & saturation

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

Lighter +40%#7DACB6

Lighter +30%#5C97A4

Lighter +20%#4A7983

Lighter +10%#375B63

Darker −10%#131F21

Darker −20%#000101

Darker −30%#000000

Darker −40%#000000

More saturated +25%#18454F

Less saturated −25%#323535

Channel breakdown

R37

G61

B66

Red37 (14.5%)

Green61 (23.9%)

Blue66 (25.9%)

Hue190.34°

Saturation (HSL)28.16%

Lightness20.2%

Dominant channelBlue

Hex per channelR 25 · G 3D · B 42

Keep nerding

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

#253D42

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