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Recognised as Colour

#256EAA

  • #256EAA
  • Blue
  • Dark
  • Nearest: Steel blue

#256EAA is a blue with RGB values 37, 110, 170 and HSL 207°, 64%, 41%. It is a dark colour, so white text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#256EAA#256EAA
HEX#256EAA
RGBrgb(37, 110, 170)
RGB (0–1)0.1451, 0.4314, 0.6667
RGB percentages14.5%, 43.1%, 66.7%
HSLhsl(207.1, 64.3%, 40.6%)
HSV / HSBhsv(207.1, 78.2%, 66.7%)
CMYK78.2%, 35.3%, 0%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,453,162
CSS custom property--colour: #256EAA;

Brightness & contrast

Relative luminance0.14447WCAG 2.x, 0 is black and 1 is white
Perceived brightness104 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.4:1
Contrast with white5.4:1WCAG normal text: AA
Contrast with black3.89:1WCAG normal text: Fail
Greyscale equivalent#636363
Inverted#DA9155

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5271ADno red cones; affects about 1% of men; ΔE 8.4 from the original
Deuteranopia#3F65A9no green cones; the most common form, about 1% of men; ΔE 9.7 from the original
Tritanopia#007C84no blue cones; rare, and affects men and women equally; ΔE 35.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.4:1WCAG large text: AAA
Contrast with black, large text3.89:1WCAG large text: AA

Named colours

Steel blue · ΔE 10.3Cornflower blue · ΔE 22.7Slate grey · ΔE 29Light slate grey · ΔE 29.5Dark slateblue · ΔE 30.6Dodgerblue · ΔE 30.9
Nearest named CSS colourSteel blue (#4682B4)ΔE 10.33, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AA6125
Analogous#25AAA3, #252CAA
Triadic#AA256E, #6EAA25
Split complementary#AA252C, #AAA325
Tetradic#A325AA, #AA6125, #2CAA25

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AED1ED
Lighter +30%#84B9E4
Lighter +20%#5AA1DB
Lighter +10%#3089D2
Darker −10%#1C5380
Darker −20%#133856
Darker −30%#0A1D2C
Darker −40%#010202
More saturated +25%#0B71C4
Less saturated −25%#3F6B90

Channel breakdown

R37
G110
B170
Red37 (14.5%)
Green110 (43.1%)
Blue170 (66.7%)
Hue207.07°
Saturation (HSL)64.25%
Lightness40.59%
Dominant channelBlue
Hex per channelR 25 · G 6E · B AA

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