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Colour

#0D53B4

  • #0D53B4
  • Blue
  • Dark
  • Nearest: Royal blue

#0D53B4 is a blue with RGB values 13, 83, 180 and HSL 215°, 87%, 38%. It is a dark colour, so white text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Royal blue.

Colour values

#0D53B4#0D53B4
HEX#0D53B4
RGBrgb(13, 83, 180)
RGB (0–1)0.051, 0.3255, 0.7059
RGB percentages5.1%, 32.5%, 70.6%
HSLhsl(214.9, 86.5%, 37.8%)
HSV / HSBhsv(214.9, 92.8%, 70.6%)
CMYK92.8%, 53.9%, 0%, 29.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer873,396
CSS custom property--colour: #0D53B4;

Brightness & contrast

Relative luminance0.09567WCAG 2.x, 0 is black and 1 is white
Perceived brightness88.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.21:1
Contrast with white7.21:1WCAG normal text: AAA
Contrast with black2.91:1WCAG normal text: Fail
Greyscale equivalent#4B4B4B
Inverted#F2AC4B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005FB7no red cones; affects about 1% of men; ΔE 9 from the original
Deuteranopia#0050B2no green cones; the most common form, about 1% of men; ΔE 1.5 from the original
Tritanopia#006B7Bno blue cones; rare, and affects men and women equally; ΔE 56 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.21:1WCAG large text: AAA
Contrast with black, large text2.91:1WCAG large text: Fail

Named colours

Royal blue · ΔE 15.7Dark slateblue · ΔE 17.7Slate blue · ΔE 19.3Dodgerblue · ΔE 24.8Midnight blue · ΔE 26Medium purple · ΔE 26.4
Nearest named CSS colourRoyal blue (#4169E1)ΔE 15.68, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B46E0D
Analogous#0DA7B4, #1B0DB4
Triadic#B40D53, #53B40D
Split complementary#B41B0D, #A7B40D
Tetradic#B40DA7, #B46E0D, #0DB41B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#96BFF7
Lighter +30%#66A2F4
Lighter +20%#3684F1
Lighter +10%#1069E4
Darker −10%#0A3D84
Darker −20%#062755
Darker −30%#031125
Darker −40%#000000
More saturated +25%#0051C1
Less saturated −25%#25579C

Channel breakdown

R13
G83
B180
Red13 (5.1%)
Green83 (32.5%)
Blue180 (70.6%)
Hue214.85°
Saturation (HSL)86.53%
Lightness37.84%
Dominant channelBlue
Hex per channelR 0D · G 53 · B B4

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Every value on this page was computed from “0d53b4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.