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Colour

#203FDF

  • #203FDF
  • Blue
  • Dark
  • Nearest: Medium blue

#203FDF is a blue with RGB values 32, 63, 223 and HSL 230°, 75%, 50%. 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 blue.

Colour values

#203FDF#203FDF
HEX#203FDF
RGBrgb(32, 63, 223)
RGB (0–1)0.1255, 0.2471, 0.8745
RGB percentages12.5%, 24.7%, 87.5%
HSLhsl(230.3, 74.9%, 50%)
HSV / HSBhsv(230.3, 85.7%, 87.5%)
CMYK85.7%, 71.7%, 0%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,113,503
CSS custom property--colour: #203FDF;

Brightness & contrast

Relative luminance0.0919WCAG 2.x, 0 is black and 1 is white
Perceived brightness91.1 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#444444
Inverted#DFC020

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005FE4no red cones; affects about 1% of men; ΔE 22.9 from the original
Deuteranopia#004CDCno green cones; the most common form, about 1% of men; ΔE 11.6 from the original
Tritanopia#006D8Bno blue cones; rare, and affects men and women equally; ΔE 87.1 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 blue · ΔE 23.3Blue violet · ΔE 23.5Medium slateblue · ΔE 24.8Dark blue · ΔE 26Dark orchid · ΔE 29.1Slate blue · ΔE 29.6
Nearest named CSS colourMedium blue (#0000CD)ΔE 23.35, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DFC020
Analogous#209FDF, #6020DF
Triadic#DF203F, #3FDF20
Split complementary#DF6120, #9FDF20
Tetradic#DF209F, #DFC020, #20DF61

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D2D9F9
Lighter +30%#A6B2F2
Lighter +20%#798CEC
Lighter +10%#4D65E5
Darker −10%#1A32B2
Darker −20%#132686
Darker −30%#0D1959
Darker −40%#060D2D
More saturated +25%#0029FF
Less saturated −25%#4055BF

Channel breakdown

R32
G63
B223
Red32 (12.5%)
Green63 (24.7%)
Blue223 (87.5%)
Hue230.26°
Saturation (HSL)74.9%
Lightness50%
Dominant channelBlue
Hex per channelR 20 · G 3F · B DF

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Every value on this page was computed from “203fdf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.