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Recognised as Colour

#0B45CF

  • #0B45CF
  • Blue
  • Dark
  • Nearest: Medium slateblue

#0B45CF is a blue with RGB values 11, 69, 207 and HSL 222°, 90%, 43%. It is a dark colour, so white text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Medium slateblue.

Colour values

#0B45CF#0B45CF
HEX#0B45CF
RGBrgb(11, 69, 207)
RGB (0–1)0.0431, 0.2706, 0.8118
RGB percentages4.3%, 27.1%, 81.2%
HSLhsl(222.2, 89.9%, 42.7%)
HSV / HSBhsv(222.2, 94.7%, 81.2%)
CMYK94.7%, 66.7%, 0%, 18.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer738,767
CSS custom property--colour: #0B45CF;

Brightness & contrast

Relative luminance0.08832WCAG 2.x, 0 is black and 1 is white
Perceived brightness87.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.59:1
Contrast with white7.59:1WCAG normal text: AAA
Contrast with black2.77:1WCAG normal text: Fail
Greyscale equivalent#434343
Inverted#F4BA30

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005DD3no red cones; affects about 1% of men; ΔE 17.8 from the original
Deuteranopia#004BCCno green cones; the most common form, about 1% of men; ΔE 6.5 from the original
Tritanopia#006B84no blue cones; rare, and affects men and women equally; ΔE 77 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.59:1WCAG large text: AAA
Contrast with black, large text2.77:1WCAG large text: Fail

Named colours

Medium slateblue · ΔE 19.2Royal blue · ΔE 19.7Slate blue · ΔE 19.8Dark blue · ΔE 24.9Navy · ΔE 26.5Rebecca purple · ΔE 28.3
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 19.24, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CF950B
Analogous#0BA7CF, #330BCF
Triadic#CF0B45, #45CF0B
Split complementary#CF330B, #A7CF0B
Tetradic#CF0BA7, #CF950B, #0BCF33

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ABC3FB
Lighter +30%#7BA0F8
Lighter +20%#4B7DF5
Lighter +10%#1A5AF3
Darker −10%#08359F
Darker −20%#06256E
Darker −30%#03153E
Darker −40%#01040D
More saturated +25%#0041DA
Less saturated −25%#2650B4

Channel breakdown

R11
G69
B207
Red11 (4.3%)
Green69 (27.1%)
Blue207 (81.2%)
Hue222.24°
Saturation (HSL)89.91%
Lightness42.75%
Dominant channelBlue
Hex per channelR 0B · G 45 · B CF

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Every value on this page was computed from “0b45cf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.