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Colour

#25488D

  • #25488D
  • Blue
  • Dark
  • Nearest: Dark slateblue

#25488D is a blue with RGB values 37, 72, 141 and HSL 220°, 58%, 35%. It is a dark colour, so white text on it reaches 8.8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#25488D#25488D
HEX#25488D
RGBrgb(37, 72, 141)
RGB (0–1)0.1451, 0.2824, 0.5529
RGB percentages14.5%, 28.2%, 55.3%
HSLhsl(219.8, 58.4%, 34.9%)
HSV / HSBhsv(219.8, 73.8%, 55.3%)
CMYK73.8%, 48.9%, 0%, 44.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,443,405
CSS custom property--colour: #25488D;

Brightness & contrast

Relative luminance0.06951WCAG 2.x, 0 is black and 1 is white
Perceived brightness75.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.79:1
Contrast with white8.79:1WCAG normal text: AAA
Contrast with black2.39:1WCAG normal text: Fail
Greyscale equivalent#464646
Inverted#DAB772

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#235090no red cones; affects about 1% of men; ΔE 5.6 from the original
Deuteranopia#06468Cno green cones; the most common form, about 1% of men; ΔE 3.1 from the original
Tritanopia#005863no blue cones; rare, and affects men and women equally; ΔE 42.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.79:1WCAG large text: AAA
Contrast with black, large text2.39:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 13.6Midnight blue · ΔE 26Steel blue · ΔE 28.3Rebecca purple · ΔE 30.8Cornflower blue · ΔE 31.3Slate blue · ΔE 31.4
Nearest named CSS colourDark slateblue (#483D8B)ΔE 13.57, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8D6A25
Analogous#257C8D, #36258D
Triadic#8D2548, #488D25
Split complementary#8D3625, #7C8D25
Tetradic#8D257C, #8D6A25, #258D36

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9AB3E4
Lighter +30%#7194DA
Lighter +20%#4976CF
Lighter +10%#305DB5
Darker −10%#1A3365
Darker −20%#101F3C
Darker −30%#050A14
Darker −40%#000000
More saturated +25%#0F41A3
Less saturated −25%#3B4F77

Channel breakdown

R37
G72
B141
Red37 (14.5%)
Green72 (28.2%)
Blue141 (55.3%)
Hue219.81°
Saturation (HSL)58.43%
Lightness34.9%
Dominant channelBlue
Hex per channelR 25 · G 48 · B 8D

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Every value on this page was computed from “25488d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.