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Colour

#2263DF

  • #2263DF
  • Blue
  • Dark
  • Nearest: Royal blue

#2263DF is a blue with RGB values 34, 99, 223 and HSL 219°, 75%, 50%. It is a dark colour, so white text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#2263DF#2263DF
HEX#2263DF
RGBrgb(34, 99, 223)
RGB (0–1)0.1333, 0.3882, 0.8745
RGB percentages13.3%, 38.8%, 87.5%
HSLhsl(219.4, 74.7%, 50.4%)
HSV / HSBhsv(219.4, 84.8%, 87.5%)
CMYK84.8%, 55.6%, 0%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,253,791
CSS custom property--colour: #2263DF;

Brightness & contrast

Relative luminance0.14591WCAG 2.x, 0 is black and 1 is white
Perceived brightness108.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.36:1
Contrast with white5.36:1WCAG normal text: AA
Contrast with black3.92:1WCAG normal text: Fail
Greyscale equivalent#5E5E5E
Inverted#DD9C20

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0074E3no red cones; affects about 1% of men; ΔE 12.7 from the original
Deuteranopia#0062DDno green cones; the most common form, about 1% of men; ΔE 1.8 from the original
Tritanopia#008297no blue cones; rare, and affects men and women equally; ΔE 68.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.36:1WCAG large text: AAA
Contrast with black, large text3.92:1WCAG large text: AA

Named colours

Royal blue · ΔE 4.4Slate blue · ΔE 14.7Medium slateblue · ΔE 16.8Dodgerblue · ΔE 22.3Medium purple · ΔE 23.6Rebecca purple · ΔE 29.8
Nearest named CSS colourRoyal blue (#4169E1)ΔE 4.38, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DF9E22
Analogous#22C1DF, #4022DF
Triadic#DF2263, #63DF22
Split complementary#DF4022, #C1DF22
Tetradic#DF22C1, #DF9E22, #22DF40

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D4E1F9
Lighter +30%#A8C1F2
Lighter +20%#7BA2EC
Lighter +10%#4F82E5
Darker −10%#1A4FB4
Darker −20%#143B87
Darker −30%#0D285B
Darker −40%#07142E
More saturated +25%#0259FF
Less saturated −25%#426DBF

Channel breakdown

R34
G99
B223
Red34 (13.3%)
Green99 (38.8%)
Blue223 (87.5%)
Hue219.37°
Saturation (HSL)74.7%
Lightness50.39%
Dominant channelBlue
Hex per channelR 22 · G 63 · B DF

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Every value on this page was computed from “2263df” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.