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Colour

#25348D

  • #25348D
  • Blue
  • Dark
  • Nearest: Dark slateblue

#25348D is a blue with RGB values 37, 52, 141 and HSL 231°, 58%, 35%. It is a dark colour, so white text on it reaches 10.7:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#25348D#25348D
HEX#25348D
RGBrgb(37, 52, 141)
RGB (0–1)0.1451, 0.2039, 0.5529
RGB percentages14.5%, 20.4%, 55.3%
HSLhsl(231.3, 58.4%, 34.9%)
HSV / HSBhsv(231.3, 73.8%, 55.3%)
CMYK73.8%, 63.1%, 0%, 44.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,438,285
CSS custom property--colour: #25348D;

Brightness & contrast

Relative luminance0.04772WCAG 2.x, 0 is black and 1 is white
Perceived brightness65.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.74:1
Contrast with white10.74:1WCAG normal text: AAA
Contrast with black1.95:1WCAG normal text: Fail
Greyscale equivalent#373737
Inverted#DACB72

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004390no red cones; affects about 1% of men; ΔE 13.2 from the original
Deuteranopia#00398Bno green cones; the most common form, about 1% of men; ΔE 7.5 from the original
Tritanopia#004B5Bno blue cones; rare, and affects men and women equally; ΔE 53.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.74:1WCAG large text: AAA
Contrast with black, large text1.95:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 10.2Midnight blue · ΔE 11.7Rebecca purple · ΔE 18.5Slate blue · ΔE 22.6Royal blue · ΔE 25.9Indigo · ΔE 26.2
Nearest named CSS colourDark slateblue (#483D8B)ΔE 10.24, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8D7E25
Analogous#25688D, #4A258D
Triadic#8D2534, #348D25
Split complementary#8D4A25, #688D25
Tetradic#8D2568, #8D7E25, #258D4A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9AA4E4
Lighter +30%#7180DA
Lighter +20%#495CCF
Lighter +10%#3043B5
Darker −10%#1A2565
Darker −20%#10163C
Darker −30%#050714
Darker −40%#000000
More saturated +25%#0F24A3
Less saturated −25%#3B4477

Channel breakdown

R37
G52
B141
Red37 (14.5%)
Green52 (20.4%)
Blue141 (55.3%)
Hue231.35°
Saturation (HSL)58.43%
Lightness34.9%
Dominant channelBlue
Hex per channelR 25 · G 34 · B 8D

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Every value on this page was computed from “25348d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.