Colour

#253D52

#253D52
Blue
Dark
Nearest: Dark slate grey

#253D52 is a blue with RGB values 37, 61, 82 and HSL 208°, 38%, 23%. It is a dark colour, so white text on it reaches 11.2:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#253D52#253D52

HEX#253D52

RGBrgb(37, 61, 82)

RGB (0–1)0.1451, 0.2392, 0.3216

RGB percentages14.5%, 23.9%, 32.2%

HSLhsl(208, 37.8%, 23.3%)

HSV / HSBhsv(208, 54.9%, 32.2%)

CMYK54.9%, 25.6%, 0%, 67.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,440,530

CSS custom property--colour: #253D52;

Brightness & contrast

Relative luminance0.0434WCAG 2.x, 0 is black and 1 is white

Perceived brightness58 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.24:1

Contrast with white11.24:1WCAG normal text: AAA

Contrast with black1.87:1WCAG normal text: Fail

Greyscale equivalent#393939

Inverted#DAC2AD

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#343D53no red cones; affects about 1% of men; ΔE 5.2 from the original

Deuteranopia#2E3952no green cones; the most common form, about 1% of men; ΔE 5.5 from the original

Tritanopia#0E4244no blue cones; rare, and affects men and women equally; ΔE 16.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text11.24:1WCAG large text: AAA

Contrast with black, large text1.87:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 16.4 Dim grey · ΔE 25.2 Slate grey · ΔE 28.5 Black · ΔE 29.4 Light slate grey · ΔE 31.5 Steel blue · ΔE 32.4

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 16.37, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#523A25

Analogous#255251, #252652

Triadic#52253D, #3D5225

Split complementary#522526, #525125

Tetradic#512552, #523A25, #275225

Tints, shades & saturation

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

Lighter +40%#7EA4C5

Lighter +30%#5B8BB5

Lighter +20%#457198

Lighter +10%#355775

Darker −10%#15232F

Darker −20%#05090C

Darker −30%#000000

Darker −40%#000000

More saturated +25%#163E61

Less saturated −25%#343C43

Channel breakdown

R37

G61

B82

Red37 (14.5%)

Green61 (23.9%)

Blue82 (32.2%)

Hue208°

Saturation (HSL)37.82%

Lightness23.33%

Dominant channelBlue

Hex per channelR 25 · G 3D · B 52

Keep nerding

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

#253D52

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