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Recognised as Colour

#0D42BF

  • #0D42BF
  • Blue
  • Dark
  • Nearest: Slate blue

#0D42BF is a blue with RGB values 13, 66, 191 and HSL 222°, 87%, 40%. It is a dark colour, so white text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#0D42BF#0D42BF
HEX#0D42BF
RGBrgb(13, 66, 191)
RGB (0–1)0.051, 0.2588, 0.749
RGB percentages5.1%, 25.9%, 74.9%
HSLhsl(222.1, 87.3%, 40%)
HSV / HSBhsv(222.1, 93.2%, 74.9%)
CMYK93.2%, 65.4%, 0%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer869,055
CSS custom property--colour: #0D42BF;

Brightness & contrast

Relative luminance0.07744WCAG 2.x, 0 is black and 1 is white
Perceived brightness82.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.24:1
Contrast with white8.24:1WCAG normal text: AAA
Contrast with black2.55:1WCAG normal text: Fail
Greyscale equivalent#404040
Inverted#F2BD40

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0057C3no red cones; affects about 1% of men; ΔE 15.7 from the original
Deuteranopia#0047BDno green cones; the most common form, about 1% of men; ΔE 5.3 from the original
Tritanopia#00647Ano blue cones; rare, and affects men and women equally; ΔE 71.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.24:1WCAG large text: AAA
Contrast with black, large text2.55:1WCAG large text: Fail

Named colours

Slate blue · ΔE 16.6Royal blue · ΔE 17Medium slateblue · ΔE 20.3Rebecca purple · ΔE 23.7Dark blue · ΔE 24.7Navy · ΔE 24.8
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 16.61, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BF8A0D
Analogous#0D9BBF, #310DBF
Triadic#BF0D42, #42BF0D
Split complementary#BF310D, #9BBF0D
Tetradic#BF0D9B, #BF8A0D, #0DBF31

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A0BAF9
Lighter +30%#7097F5
Lighter +20%#4075F2
Lighter +10%#1052EF
Darker −10%#0A318F
Darker −20%#062160
Darker −30%#031130
Darker −40%#000000
More saturated +25%#003DCC
Less saturated −25%#274CA6

Channel breakdown

R13
G66
B191
Red13 (5.1%)
Green66 (25.9%)
Blue191 (74.9%)
Hue222.13°
Saturation (HSL)87.25%
Lightness40%
Dominant channelBlue
Hex per channelR 0D · G 42 · B BF

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Every value on this page was computed from “0d42bf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.