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Recognised as Colour

#253B46

  • #253B46
  • Blue
  • Dark
  • Nearest: Dark slate grey

#253B46 is a blue with RGB values 37, 59, 70 and HSL 200°, 31%, 21%. It is a dark colour, so white text on it reaches 11.7:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#253B46#253B46
HEX#253B46
RGBrgb(37, 59, 70)
RGB (0–1)0.1451, 0.2314, 0.2745
RGB percentages14.5%, 23.1%, 27.5%
HSLhsl(200, 30.8%, 21%)
HSV / HSBhsv(200, 47.1%, 27.5%)
CMYK47.1%, 15.7%, 0%, 72.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,440,006
CSS custom property--colour: #253B46;

Brightness & contrast

Relative luminance0.03963WCAG 2.x, 0 is black and 1 is white
Perceived brightness54.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.71:1
Contrast with white11.71:1WCAG normal text: AAA
Contrast with black1.79:1WCAG normal text: Fail
Greyscale equivalent#373737
Inverted#DAC4B9

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#363A47no red cones; affects about 1% of men; ΔE 7 from the original
Deuteranopia#313646no green cones; the most common form, about 1% of men; ΔE 7.5 from the original
Tritanopia#183E3Fno blue cones; rare, and affects men and women equally; ΔE 9.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.71:1WCAG large text: AAA
Contrast with black, large text1.79:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 11.6Dim grey · ΔE 23.5Black · ΔE 25.9Slate grey · ΔE 29.5Gray · ΔE 31.9Light slate grey · ΔE 32.5
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 11.62, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#463025
Analogous#254641, #252B46
Triadic#46253B, #3B4625
Split complementary#46252B, #464125
Tetradic#412546, #463025, #2B4625

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7DA6BA
Lighter +30%#5B8FA9
Lighter +20%#487389
Lighter +10%#375767
Darker −10%#131F25
Darker −20%#020303
Darker −30%#000000
Darker −40%#000000
More saturated +25%#183F53
Less saturated −25%#323739

Channel breakdown

R37
G59
B70
Red37 (14.5%)
Green59 (23.1%)
Blue70 (27.5%)
Hue200°
Saturation (HSL)30.84%
Lightness20.98%
Dominant channelBlue
Hex per channelR 25 · G 3B · B 46

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Every value on this page was computed from “253b46” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.