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Recognised as Colour

#252A42

  • #252A42
  • Blue
  • Dark
  • Nearest: Black

#252A42 is a blue with RGB values 37, 42, 66 and HSL 230°, 28%, 20%. It is a dark colour, so white text on it reaches 14.1:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#252A42#252A42
HEX#252A42
RGBrgb(37, 42, 66)
RGB (0–1)0.1451, 0.1647, 0.2588
RGB percentages14.5%, 16.5%, 25.9%
HSLhsl(229.7, 28.2%, 20.2%)
HSV / HSBhsv(229.7, 43.9%, 25.9%)
CMYK43.9%, 36.4%, 0%, 74.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,435,650
CSS custom property--colour: #252A42;

Brightness & contrast

Relative luminance0.02443WCAG 2.x, 0 is black and 1 is white
Perceived brightness44.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.11:1
Contrast with white14.11:1WCAG normal text: AAA
Contrast with black1.49:1WCAG normal text: Fail
Greyscale equivalent#2B2B2B
Inverted#DAD5BD

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#222D43no red cones; affects about 1% of men; ΔE 2.9 from the original
Deuteranopia#202A41no green cones; the most common form, about 1% of men; ΔE 2 from the original
Tritanopia#1C2F33no blue cones; rare, and affects men and women equally; ΔE 15.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.11:1WCAG large text: AAA
Contrast with black, large text1.49:1WCAG large text: Fail

Named colours

Black · ΔE 24.3Dark slate grey · ΔE 24.8Dim grey · ΔE 31.5Dark slateblue · ΔE 36.1Slate grey · ΔE 36.3Light slate grey · ΔE 39.2
Nearest named CSS colourBlack (#000000)ΔE 24.27, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#423D25
Analogous#253842, #2F2542
Triadic#42252A, #2A4225
Split complementary#422F25, #384225
Tetradic#422538, #423D25, #25422F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7D87B6
Lighter +30%#5C69A4
Lighter +20%#4A5483
Lighter +10%#373F63
Darker −10%#131521
Darker −20%#000001
Darker −30%#000000
Darker −40%#000000
More saturated +25%#18224F
Less saturated −25%#323235

Channel breakdown

R37
G42
B66
Red37 (14.5%)
Green42 (16.5%)
Blue66 (25.9%)
Hue229.66°
Saturation (HSL)28.16%
Lightness20.2%
Dominant channelBlue
Hex per channelR 25 · G 2A · B 42

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Every value on this page was computed from “252a42” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.