Colour

#253A4B

#253A4B
Blue
Dark
Nearest: Dark slate grey

#253A4B is a blue with RGB values 37, 58, 75 and HSL 207°, 34%, 22%. It is a dark colour, so white text on it reaches 11.8:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#253A4B#253A4B

HEX#253A4B

RGBrgb(37, 58, 75)

RGB (0–1)0.1451, 0.2275, 0.2941

RGB percentages14.5%, 22.7%, 29.4%

HSLhsl(206.8, 33.9%, 22%)

HSV / HSBhsv(206.8, 50.7%, 29.4%)

CMYK50.7%, 22.7%, 0%, 70.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,439,755

CSS custom property--colour: #253A4B;

Brightness & contrast

Relative luminance0.03927WCAG 2.x, 0 is black and 1 is white

Perceived brightness55 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.76:1

Contrast with white11.76:1WCAG normal text: AAA

Contrast with black1.79:1WCAG normal text: Fail

Greyscale equivalent#373737

Inverted#DAC5B4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#333A4Cno red cones; affects about 1% of men; ΔE 5.1 from the original

Deuteranopia#2E364Bno green cones; the most common form, about 1% of men; ΔE 5.7 from the original

Tritanopia#153E40no blue cones; rare, and affects men and women equally; ΔE 12.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text11.76:1WCAG large text: AAA

Contrast with black, large text1.79:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 15 Dim grey · ΔE 24.8 Black · ΔE 26.9 Slate grey · ΔE 29.5 Light slate grey · ΔE 32.5 Gray · ΔE 33

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 15.01, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#4B3625

Analogous#254B49, #25274B

Triadic#4B253A, #3A4B25

Split complementary#4B2527, #4B4925

Tetradic#49254B, #4B3625, #274B25

Tints, shades & saturation

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

Lighter +40%#7DA1BF

Lighter +30%#5B89AE

Lighter +20%#476F8F

Lighter +10%#36546D

Darker −10%#142029

Darker −20%#030507

Darker −30%#000000

Darker −40%#000000

More saturated +25%#173B59

Less saturated −25%#33393D

Channel breakdown

R37

G58

B75

Red37 (14.5%)

Green58 (22.7%)

Blue75 (29.4%)

Hue206.84°

Saturation (HSL)33.93%

Lightness21.96%

Dominant channelBlue

Hex per channelR 25 · G 3A · B 4B

Keep nerding

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

#253A4B

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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