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Recognised as Colour

#0B42DD

  • #0B42DD
  • Blue
  • Dark
  • Nearest: Medium slateblue

#0B42DD is a blue with RGB values 11, 66, 221 and HSL 224°, 91%, 45%. It is a dark colour, so white text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Medium slateblue.

Colour values

#0B42DD#0B42DD
HEX#0B42DD
RGBrgb(11, 66, 221)
RGB (0–1)0.0431, 0.2588, 0.8667
RGB percentages4.3%, 25.9%, 86.7%
HSLhsl(224.3, 90.5%, 45.5%)
HSV / HSBhsv(224.3, 95%, 86.7%)
CMYK95%, 70.1%, 0%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer738,013
CSS custom property--colour: #0B42DD;

Brightness & contrast

Relative luminance0.09188WCAG 2.x, 0 is black and 1 is white
Perceived brightness90.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.4:1
Contrast with white7.4:1WCAG normal text: AAA
Contrast with black2.84:1WCAG normal text: Fail
Greyscale equivalent#414141
Inverted#F4BD22

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005FE2no red cones; affects about 1% of men; ΔE 20.6 from the original
Deuteranopia#004CDAno green cones; the most common form, about 1% of men; ΔE 9.2 from the original
Tritanopia#006E8Bno blue cones; rare, and affects men and women equally; ΔE 84.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.4:1WCAG large text: AAA
Contrast with black, large text2.84:1WCAG large text: Fail

Named colours

Medium slateblue · ΔE 23.2Dark blue · ΔE 25.8Blue violet · ΔE 26.1Medium blue · ΔE 26.4Slate blue · ΔE 27.4Royal blue · ΔE 27.8
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 23.23, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DDA60B
Analogous#0BABDD, #3D0BDD
Triadic#DD0B42, #42DD0B
Split complementary#DD3D0B, #ABDD0B
Tetradic#DD0BAB, #DDA60B, #0BDD3D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B9CAFB
Lighter +30%#88A6F9
Lighter +20%#5781F7
Lighter +10%#275DF4
Darker −10%#0933AC
Darker −20%#06257C
Darker −30%#04164B
Darker −40%#01081B
More saturated +25%#003DE8
Less saturated −25%#2850C0

Channel breakdown

R11
G66
B221
Red11 (4.3%)
Green66 (25.9%)
Blue221 (86.7%)
Hue224.29°
Saturation (HSL)90.52%
Lightness45.49%
Dominant channelBlue
Hex per channelR 0B · G 42 · B DD

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Every value on this page was computed from “0b42dd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.