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Recognised as Colour

#156BC9

  • #156BC9
  • Blue
  • Dark
  • Nearest: Dodgerblue

#156BC9 is a blue with RGB values 21, 107, 201 and HSL 211°, 81%, 44%. It is a dark colour, so white text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#156BC9#156BC9
HEX#156BC9
RGBrgb(21, 107, 201)
RGB (0–1)0.0824, 0.4196, 0.7882
RGB percentages8.2%, 42%, 78.8%
HSLhsl(211.3, 81.1%, 43.5%)
HSV / HSBhsv(211.3, 89.6%, 78.8%)
CMYK89.6%, 46.8%, 0%, 21.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,403,849
CSS custom property--colour: #156BC9;

Brightness & contrast

Relative luminance0.14892WCAG 2.x, 0 is black and 1 is white
Perceived brightness107 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.28:1
Contrast with white5.28:1WCAG normal text: AA
Contrast with black3.98:1WCAG normal text: Fail
Greyscale equivalent#606060
Inverted#EA9436

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3574CDno red cones; affects about 1% of men; ΔE 5.2 from the original
Deuteranopia#0064C7no green cones; the most common form, about 1% of men; ΔE 4.6 from the original
Tritanopia#008290no blue cones; rare, and affects men and women equally; ΔE 53.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.28:1WCAG large text: AAA
Contrast with black, large text3.98:1WCAG large text: AA

Named colours

Dodgerblue · ΔE 16.1Cornflower blue · ΔE 17.7Royal blue · ΔE 17.7Slate blue · ΔE 24.5Dark slateblue · ΔE 24.5Medium purple · ΔE 27.4
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 16.1, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C97315
Analogous#15C5C9, #1915C9
Triadic#C9156B, #6BC915
Split complementary#C91915, #C5C915
Tetradic#C915C5, #C97315, #15C919

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B3D3F7
Lighter +30%#85B9F2
Lighter +20%#579FED
Lighter +10%#2884E9
Darker −10%#10529B
Darker −20%#0B3A6D
Darker −30%#07213E
Darker −40%#020910
More saturated +25%#006ADE
Less saturated −25%#316CAD

Channel breakdown

R21
G107
B201
Red21 (8.2%)
Green107 (42%)
Blue201 (78.8%)
Hue211.33°
Saturation (HSL)81.08%
Lightness43.53%
Dominant channelBlue
Hex per channelR 15 · G 6B · B C9

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Every value on this page was computed from “156bc9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.