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Recognised as Colour

#256FCB

  • #256FCB
  • Blue
  • Dark
  • Nearest: Dodgerblue

#256FCB is a blue with RGB values 37, 111, 203 and HSL 213°, 69%, 47%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#256FCB#256FCB
HEX#256FCB
RGBrgb(37, 111, 203)
RGB (0–1)0.1451, 0.4353, 0.7961
RGB percentages14.5%, 43.5%, 79.6%
HSLhsl(213.3, 69.2%, 47.1%)
HSV / HSBhsv(213.3, 81.8%, 79.6%)
CMYK81.8%, 45.3%, 0%, 20.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,453,451
CSS custom property--colour: #256FCB;

Brightness & contrast

Relative luminance0.16074WCAG 2.x, 0 is black and 1 is white
Perceived brightness111.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.98:1
Contrast with white4.98:1WCAG normal text: AA
Contrast with black4.21:1WCAG normal text: Fail
Greyscale equivalent#666666
Inverted#DA9034

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3E78CEno red cones; affects about 1% of men; ΔE 5.5 from the original
Deuteranopia#1569C9no green cones; the most common form, about 1% of men; ΔE 3.7 from the original
Tritanopia#008593no blue cones; rare, and affects men and women equally; ΔE 52.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.98:1WCAG large text: AAA
Contrast with black, large text4.21:1WCAG large text: AA

Named colours

Dodgerblue · ΔE 15.5Cornflower blue · ΔE 15.7Royal blue · ΔE 18.9Dark slateblue · ΔE 25.1Slate blue · ΔE 25.3Steel blue · ΔE 27.1
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 15.51, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CB8125
Analogous#25C2CB, #2E25CB
Triadic#CB256F, #6FCB25
Split complementary#CB2E25, #C2CB25
Tetradic#CB25C2, #CB8125, #25CB2E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C7DCF5
Lighter +30%#9CC0ED
Lighter +20%#71A5E5
Lighter +10%#4689DD
Darker −10%#1D57A0
Darker −20%#154075
Darker −30%#0D284A
Darker −40%#06111E
More saturated +25%#076CE9
Less saturated −25%#4372AD

Channel breakdown

R37
G111
B203
Red37 (14.5%)
Green111 (43.5%)
Blue203 (79.6%)
Hue213.25°
Saturation (HSL)69.17%
Lightness47.06%
Dominant channelBlue
Hex per channelR 25 · G 6F · B CB

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