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Recognised as Colour

#256EDE

  • #256EDE
  • Blue
  • Dark
  • Nearest: Royal blue

#256EDE is a blue with RGB values 37, 110, 222 and HSL 216°, 74%, 51%. It is a dark colour, so white text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#256EDE#256EDE
HEX#256EDE
RGBrgb(37, 110, 222)
RGB (0–1)0.1451, 0.4314, 0.8706
RGB percentages14.5%, 43.1%, 87.1%
HSLhsl(216.3, 73.7%, 50.8%)
HSV / HSBhsv(216.3, 83.3%, 87.1%)
CMYK83.3%, 50.5%, 0%, 12.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,453,214
CSS custom property--colour: #256EDE;

Brightness & contrast

Relative luminance0.16819WCAG 2.x, 0 is black and 1 is white
Perceived brightness114.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.81:1
Contrast with white4.81:1WCAG normal text: AA
Contrast with black4.36:1WCAG normal text: Fail
Greyscale equivalent#676767
Inverted#DA9121

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#247BE2no red cones; affects about 1% of men; ΔE 8.7 from the original
Deuteranopia#006ADCno green cones; the most common form, about 1% of men; ΔE 2.5 from the original
Tritanopia#00899Bno blue cones; rare, and affects men and women equally; ΔE 62.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.81:1WCAG large text: AAA
Contrast with black, large text4.36:1WCAG large text: AA

Named colours

Royal blue · ΔE 7.5Dodgerblue · ΔE 14.5Slate blue · ΔE 18.1Cornflower blue · ΔE 22Medium slateblue · ΔE 22.5Medium purple · ΔE 23.2
Nearest named CSS colourRoyal blue (#4169E1)ΔE 7.52, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DE9525
Analogous#25CADE, #3925DE
Triadic#DE256E, #6EDE25
Split complementary#DE3925, #CADE25
Tetradic#DE25CA, #DE9525, #25DE39

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D6E4F9
Lighter +30%#AAC6F2
Lighter +20%#7EA9EB
Lighter +10%#518BE5
Darker −10%#1B58B5
Darker −20%#154288
Darker −30%#0E2D5C
Darker −40%#071730
More saturated +25%#0667FD
Less saturated −25%#4475BF

Channel breakdown

R37
G110
B222
Red37 (14.5%)
Green110 (43.1%)
Blue222 (87.1%)
Hue216.32°
Saturation (HSL)73.71%
Lightness50.78%
Dominant channelBlue
Hex per channelR 25 · G 6E · B DE

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Every value on this page was computed from “256ede” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.