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Recognised as Colour

#0B3DCD

  • #0B3DCD
  • Blue
  • Dark
  • Nearest: Medium slateblue

#0B3DCD is a blue with RGB values 11, 61, 205 and HSL 225°, 90%, 42%. It is a dark colour, so white text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Medium slateblue.

Colour values

#0B3DCD#0B3DCD
HEX#0B3DCD
RGBrgb(11, 61, 205)
RGB (0–1)0.0431, 0.2392, 0.8039
RGB percentages4.3%, 23.9%, 80.4%
HSLhsl(224.5, 89.8%, 42.4%)
HSV / HSBhsv(224.5, 94.6%, 80.4%)
CMYK94.6%, 70.2%, 0%, 19.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer736,717
CSS custom property--colour: #0B3DCD;

Brightness & contrast

Relative luminance0.07816WCAG 2.x, 0 is black and 1 is white
Perceived brightness83.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.19:1
Contrast with white8.19:1WCAG normal text: AAA
Contrast with black2.56:1WCAG normal text: Fail
Greyscale equivalent#3D3D3D
Inverted#F4C232

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0058D1no red cones; affects about 1% of men; ΔE 19.8 from the original
Deuteranopia#0046CAno green cones; the most common form, about 1% of men; ΔE 8.6 from the original
Tritanopia#006681no blue cones; rare, and affects men and women equally; ΔE 79.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.19:1WCAG large text: AAA
Contrast with black, large text2.56:1WCAG large text: Fail

Named colours

Medium slateblue · ΔE 22Dark blue · ΔE 22.1Slate blue · ΔE 23.6Navy · ΔE 24.6Royal blue · ΔE 24.8Blue violet · ΔE 28.6
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 22.03, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CD9B0B
Analogous#0B9ECD, #3A0BCD
Triadic#CD0B3D, #3DCD0B
Split complementary#CD3A0B, #9ECD0B
Tetradic#CD0B9E, #CD9B0B, #0BCD3A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AABEFA
Lighter +30%#799AF8
Lighter +20%#4975F5
Lighter +10%#1851F3
Darker −10%#082F9D
Darker −20%#06206C
Darker −30%#03123C
Darker −40%#01030B
More saturated +25%#0038D8
Less saturated −25%#264AB2

Channel breakdown

R11
G61
B205
Red11 (4.3%)
Green61 (23.9%)
Blue205 (80.4%)
Hue224.54°
Saturation (HSL)89.81%
Lightness42.35%
Dominant channelBlue
Hex per channelR 0B · G 3D · B CD

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Every value on this page was computed from “0b3dcd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.