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Colour

#252F68

  • #252F68
  • Blue
  • Dark
  • Nearest: Dark slateblue

#252F68 is a blue with RGB values 37, 47, 104 and HSL 231°, 48%, 28%. It is a dark colour, so white text on it reaches 12.5:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#252F68#252F68
HEX#252F68
RGBrgb(37, 47, 104)
RGB (0–1)0.1451, 0.1843, 0.4078
RGB percentages14.5%, 18.4%, 40.8%
HSLhsl(231, 47.5%, 27.6%)
HSV / HSBhsv(231, 64.4%, 40.8%)
CMYK64.4%, 54.8%, 0%, 59.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,436,968
CSS custom property--colour: #252F68;

Brightness & contrast

Relative luminance0.03426WCAG 2.x, 0 is black and 1 is white
Perceived brightness54.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.46:1
Contrast with white12.46:1WCAG normal text: AAA
Contrast with black1.69:1WCAG normal text: Fail
Greyscale equivalent#313131
Inverted#DAD097

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0E376Ano red cones; affects about 1% of men; ΔE 8.7 from the original
Deuteranopia#003167no green cones; the most common form, about 1% of men; ΔE 6.9 from the original
Tritanopia#003C46no blue cones; rare, and affects men and women equally; ΔE 37.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.46:1WCAG large text: AAA
Contrast with black, large text1.69:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 15.8Midnight blue · ΔE 22.7Rebecca purple · ΔE 32.1Steel blue · ΔE 36.6Slate blue · ΔE 38.8Indigo · ΔE 40.7
Nearest named CSS colourDark slateblue (#483D8B)ΔE 15.76, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#685E25
Analogous#255168, #3D2568
Triadic#68252F, #2F6825
Split complementary#683C25, #516825
Tetradic#682551, #685E25, #25683C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8591D4
Lighter +30%#606FC6
Lighter +20%#4051B3
Lighter +10%#32408E
Darker −10%#181E42
Darker −20%#0A0D1D
Darker −30%#000000
Darker −40%#000000
More saturated +25%#13237A
Less saturated −25%#373B56

Channel breakdown

R37
G47
B104
Red37 (14.5%)
Green47 (18.4%)
Blue104 (40.8%)
Hue231.04°
Saturation (HSL)47.52%
Lightness27.65%
Dominant channelBlue
Hex per channelR 25 · G 2F · B 68

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Every value on this page was computed from “252f68” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.