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Recognised as Colour

#25339F

  • #25339F
  • Blue
  • Dark
  • Nearest: Midnight blue

#25339F is a blue with RGB values 37, 51, 159 and HSL 233°, 62%, 38%. It is a dark colour, so white text on it reaches 10.2:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#25339F#25339F
HEX#25339F
RGBrgb(37, 51, 159)
RGB (0–1)0.1451, 0.2, 0.6235
RGB percentages14.5%, 20%, 62.4%
HSLhsl(233.1, 62.2%, 38.4%)
HSV / HSBhsv(233.1, 76.7%, 62.4%)
CMYK76.7%, 67.9%, 0%, 37.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,438,047
CSS custom property--colour: #25339F;

Brightness & contrast

Relative luminance0.05264WCAG 2.x, 0 is black and 1 is white
Perceived brightness69.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.23:1
Contrast with white10.23:1WCAG normal text: AAA
Contrast with black2.05:1WCAG normal text: Fail
Greyscale equivalent#383838
Inverted#DACC60

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0047A2no red cones; affects about 1% of men; ΔE 16.5 from the original
Deuteranopia#003B9Dno green cones; the most common form, about 1% of men; ΔE 9 from the original
Tritanopia#005064no blue cones; rare, and affects men and women equally; ΔE 63.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.23:1WCAG large text: AAA
Contrast with black, large text2.05:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 15.7Rebecca purple · ΔE 16.7Slate blue · ΔE 18.2Dark slateblue · ΔE 19.6Indigo · ΔE 20.5Navy · ΔE 20.7
Nearest named CSS colourMidnight blue (#191970)ΔE 15.65, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9F9125
Analogous#25709F, #54259F
Triadic#9F2533, #339F25
Split complementary#9F5425, #709F25
Tetradic#9F2570, #9F9125, #259F54

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A6AEEA
Lighter +30%#7C88E1
Lighter +20%#5362D7
Lighter +10%#2F40C8
Darker −10%#1B2676
Darker −20%#12184C
Darker −30%#080B23
Darker −40%#000000
More saturated +25%#0C20B8
Less saturated −25%#3E4687

Channel breakdown

R37
G51
B159
Red37 (14.5%)
Green51 (20%)
Blue159 (62.4%)
Hue233.11°
Saturation (HSL)62.24%
Lightness38.43%
Dominant channelBlue
Hex per channelR 25 · G 33 · B 9F

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Every value on this page was computed from “25339f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.