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Recognised as Colour

#256DC8

  • #256DC8
  • Blue
  • Dark
  • Nearest: Cornflower blue

#256DC8 is a blue with RGB values 37, 109, 200 and HSL 213°, 69%, 46%. It is a dark colour, so white text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#256DC8#256DC8
HEX#256DC8
RGBrgb(37, 109, 200)
RGB (0–1)0.1451, 0.4275, 0.7843
RGB percentages14.5%, 42.7%, 78.4%
HSLhsl(213.5, 68.8%, 46.5%)
HSV / HSBhsv(213.5, 81.5%, 78.4%)
CMYK81.5%, 45.5%, 0%, 21.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,452,936
CSS custom property--colour: #256DC8;

Brightness & contrast

Relative luminance0.15501WCAG 2.x, 0 is black and 1 is white
Perceived brightness109.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.12:1
Contrast with white5.12:1WCAG normal text: AA
Contrast with black4.1:1WCAG normal text: Fail
Greyscale equivalent#646464
Inverted#DA9237

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3C76CBno red cones; affects about 1% of men; ΔE 5.5 from the original
Deuteranopia#1367C6no green cones; the most common form, about 1% of men; ΔE 3.7 from the original
Tritanopia#008391no blue cones; rare, and affects men and women equally; ΔE 52 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.12:1WCAG large text: AAA
Contrast with black, large text4.1:1WCAG large text: AA

Named colours

Cornflower blue · ΔE 16.3Dodgerblue · ΔE 16.4Royal blue · ΔE 19.2Dark slateblue · ΔE 24.3Slate blue · ΔE 25.2Steel blue · ΔE 27
Nearest named CSS colourCornflower blue (#6495ED)ΔE 16.28, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C88025
Analogous#25BEC8, #2F25C8
Triadic#C8256D, #6DC825
Split complementary#C82F25, #BEC825
Tetradic#C825BE, #C88025, #25C82F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C5DAF4
Lighter +30%#9ABEEC
Lighter +20%#6FA3E4
Lighter +10%#4487DC
Darker −10%#1D569D
Darker −20%#153E72
Darker −30%#0D2747
Darker −40%#050F1C
More saturated +25%#076AE6
Less saturated −25%#4370AA

Channel breakdown

R37
G109
B200
Red37 (14.5%)
Green109 (42.7%)
Blue200 (78.4%)
Hue213.5°
Saturation (HSL)68.78%
Lightness46.47%
Dominant channelBlue
Hex per channelR 25 · G 6D · B C8

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Every value on this page was computed from “256dc8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.