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Recognised as Colour

#254B5B

  • #254B5B
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#254B5B is a cyan with RGB values 37, 75, 91 and HSL 198°, 42%, 25%. It is a dark colour, so white text on it reaches 9.4:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#254B5B#254B5B
HEX#254B5B
RGBrgb(37, 75, 91)
RGB (0–1)0.1451, 0.2941, 0.3569
RGB percentages14.5%, 29.4%, 35.7%
HSLhsl(197.8, 42.2%, 25.1%)
HSV / HSBhsv(197.8, 59.3%, 35.7%)
CMYK59.3%, 17.6%, 0%, 64.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,444,123
CSS custom property--colour: #254B5B;

Brightness & contrast

Relative luminance0.06181WCAG 2.x, 0 is black and 1 is white
Perceived brightness68.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.39:1
Contrast with white9.39:1WCAG normal text: AAA
Contrast with black2.24:1WCAG normal text: Fail
Greyscale equivalent#444444
Inverted#DAB4A4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#434A5Cno red cones; affects about 1% of men; ΔE 10.4 from the original
Deuteranopia#3B445Bno green cones; the most common form, about 1% of men; ΔE 11 from the original
Tritanopia#005050no blue cones; rare, and affects men and women equally; ΔE 14.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.39:1WCAG large text: AAA
Contrast with black, large text2.24:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 10.5Dim grey · ΔE 21.5Slate grey · ΔE 24Light slate grey · ΔE 26.9Teal · ΔE 28.1Gray · ΔE 28.5
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 10.51, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5B3525
Analogous#255B50, #25305B
Triadic#5B254B, #4B5B25
Split complementary#5B2530, #5B5025
Tetradic#50255B, #5B3525, #305B25

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#80B5CC
Lighter +30%#5CA0BD
Lighter +20%#4287A4
Lighter +10%#34697F
Darker −10%#162D37
Darker −20%#080F12
Darker −30%#000000
Darker −40%#000000
More saturated +25%#15526B
Less saturated −25%#35444B

Channel breakdown

R37
G75
B91
Red37 (14.5%)
Green75 (29.4%)
Blue91 (35.7%)
Hue197.78°
Saturation (HSL)42.19%
Lightness25.1%
Dominant channelBlue
Hex per channelR 25 · G 4B · B 5B

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Every value on this page was computed from “254b5b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.