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Recognised as Colour

#25379F

  • #25379F
  • Blue
  • Dark
  • Nearest: Midnight blue

#25379F is a blue with RGB values 37, 55, 159 and HSL 231°, 62%, 38%. It is a dark colour, so white text on it reaches 9.9:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#25379F#25379F
HEX#25379F
RGBrgb(37, 55, 159)
RGB (0–1)0.1451, 0.2157, 0.6235
RGB percentages14.5%, 21.6%, 62.4%
HSLhsl(231.1, 62.2%, 38.4%)
HSV / HSBhsv(231.1, 76.7%, 62.4%)
CMYK76.7%, 65.4%, 0%, 37.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,439,071
CSS custom property--colour: #25379F;

Brightness & contrast

Relative luminance0.05629WCAG 2.x, 0 is black and 1 is white
Perceived brightness71.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.88:1
Contrast with white9.88:1WCAG normal text: AAA
Contrast with black2.13:1WCAG normal text: Fail
Greyscale equivalent#3B3B3B
Inverted#DAC860

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0049A2no red cones; affects about 1% of men; ΔE 15 from the original
Deuteranopia#003D9Dno green cones; the most common form, about 1% of men; ΔE 7.6 from the original
Tritanopia#005266no blue cones; rare, and affects men and women equally; ΔE 60.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.88:1WCAG large text: AAA
Contrast with black, large text2.13:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 15.3Rebecca purple · ΔE 16.9Dark slateblue · ΔE 17.1Slate blue · ΔE 17.6Royal blue · ΔE 21.1Indigo · ΔE 22.8
Nearest named CSS colourMidnight blue (#191970)ΔE 15.34, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9F8D25
Analogous#25749F, #50259F
Triadic#9F2537, #379F25
Split complementary#9F5025, #749F25
Tetradic#9F2574, #9F8D25, #259F50

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A6B0EA
Lighter +30%#7C8BE1
Lighter +20%#5366D7
Lighter +10%#2F45C8
Darker −10%#1B2976
Darker −20%#121A4C
Darker −30%#080C23
Darker −40%#000000
More saturated +25%#0C26B8
Less saturated −25%#3E4887

Channel breakdown

R37
G55
B159
Red37 (14.5%)
Green55 (21.6%)
Blue159 (62.4%)
Hue231.15°
Saturation (HSL)62.24%
Lightness38.43%
Dominant channelBlue
Hex per channelR 25 · G 37 · B 9F

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Every value on this page was computed from “25379f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.