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Recognised as Colour

#0231DC

  • #0231DC
  • Blue
  • Dark
  • Nearest: Medium blue

#0231DC is a blue with RGB values 2, 49, 220 and HSL 227°, 98%, 44%. It is a dark colour, so white text on it reaches 8.5:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#0231DC#0231DC
HEX#0231DC
RGBrgb(2, 49, 220)
RGB (0–1)0.0078, 0.1922, 0.8627
RGB percentages0.8%, 19.2%, 86.3%
HSLhsl(227.1, 98.2%, 43.5%)
HSV / HSBhsv(227.1, 99.1%, 86.3%)
CMYK99.1%, 77.7%, 0%, 13.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer143,836
CSS custom property--colour: #0231DC;

Brightness & contrast

Relative luminance0.07377WCAG 2.x, 0 is black and 1 is white
Perceived brightness83.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.48:1
Contrast with white8.48:1WCAG normal text: AAA
Contrast with black2.48:1WCAG normal text: Fail
Greyscale equivalent#333333
Inverted#FDCE23

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0057E1no red cones; affects about 1% of men; ΔE 26 from the original
Deuteranopia#0042D9no green cones; the most common form, about 1% of men; ΔE 13.3 from the original
Tritanopia#006686no blue cones; rare, and affects men and women equally; ΔE 92.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.48:1WCAG large text: AAA
Contrast with black, large text2.48:1WCAG large text: Fail

Named colours

Medium blue · ΔE 15.3Blue violet · ΔE 22Dark blue · ΔE 26.2Dark violet · ΔE 28.5Navy · ΔE 30.9Dark orchid · ΔE 31.2
Nearest named CSS colourMedium blue (#0000CD)ΔE 15.28, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DCAD02
Analogous#029EDC, #4002DC
Triadic#DC0231, #31DC02
Split complementary#DC4002, #9EDC02
Tetradic#DC029E, #DCAD02, #02DC40

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ACBEFE
Lighter +30%#7996FE
Lighter +20%#476EFD
Lighter +10%#1446FD
Darker −10%#0226A9
Darker −20%#011A77
Darker −30%#010F44
Darker −40%#000412
More saturated +25%#0030DE
Less saturated −25%#1E41C0

Channel breakdown

R2
G49
B220
Red2 (0.8%)
Green49 (19.2%)
Blue220 (86.3%)
Hue227.06°
Saturation (HSL)98.2%
Lightness43.53%
Dominant channelBlue
Hex per channelR 02 · G 31 · B DC

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Every value on this page was computed from “0231dc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.