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Recognised as Colour

#156EC6

  • #156EC6
  • Blue
  • Dark
  • Nearest: Cornflower blue

#156EC6 is a blue with RGB values 21, 110, 198 and HSL 210°, 81%, 43%. 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

#156EC6#156EC6
HEX#156EC6
RGBrgb(21, 110, 198)
RGB (0–1)0.0824, 0.4314, 0.7765
RGB percentages8.2%, 43.1%, 77.6%
HSLhsl(209.8, 80.8%, 42.9%)
HSV / HSBhsv(209.8, 89.4%, 77.6%)
CMYK89.4%, 44.4%, 0%, 22.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,404,614
CSS custom property--colour: #156EC6;

Brightness & contrast

Relative luminance0.15389WCAG 2.x, 0 is black and 1 is white
Perceived brightness108.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.15:1
Contrast with white5.15:1WCAG normal text: AA
Contrast with black4.08:1WCAG normal text: Fail
Greyscale equivalent#616161
Inverted#EA9139

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3F75C9no red cones; affects about 1% of men; ΔE 5.1 from the original
Deuteranopia#1666C4no green cones; the most common form, about 1% of men; ΔE 5.7 from the original
Tritanopia#008390no blue cones; rare, and affects men and women equally; ΔE 50.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.15:1WCAG large text: AAA
Contrast with black, large text4.08:1WCAG large text: AA

Named colours

Cornflower blue · ΔE 16.1Dodgerblue · ΔE 17.1Royal blue · ΔE 21.8Steel blue · ΔE 24.9Dark slateblue · ΔE 25.5Slate blue · ΔE 28
Nearest named CSS colourCornflower blue (#6495ED)ΔE 16.13, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C66D15
Analogous#15C6C6, #1515C6
Triadic#C6156E, #6EC615
Split complementary#C61516, #C6C615
Tetradic#C515C6, #C66D15, #15C615

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B0D4F7
Lighter +30%#82BAF2
Lighter +20%#54A1ED
Lighter +10%#2688E8
Darker −10%#105498
Darker −20%#0B3B6A
Darker −30%#06213C
Darker −40%#01080E
More saturated +25%#006EDB
Less saturated −25%#306EAB

Channel breakdown

R21
G110
B198
Red21 (8.2%)
Green110 (43.1%)
Blue198 (77.6%)
Hue209.83°
Saturation (HSL)80.82%
Lightness42.94%
Dominant channelBlue
Hex per channelR 15 · G 6E · B C6

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Every value on this page was computed from “156ec6” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.