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Recognised as Colour

#0156CE

  • #0156CE
  • Blue
  • Dark
  • Nearest: Royal blue

#0156CE is a blue with RGB values 1, 86, 206 and HSL 215°, 99%, 41%. It is a dark colour, so white text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#0156CE#0156CE
HEX#0156CE
RGBrgb(1, 86, 206)
RGB (0–1)0.0039, 0.3373, 0.8078
RGB percentages0.4%, 33.7%, 80.8%
HSLhsl(215.1, 99%, 40.6%)
HSV / HSBhsv(215.1, 99.5%, 80.8%)
CMYK99.5%, 58.3%, 0%, 19.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer87,758
CSS custom property--colour: #0156CE;

Brightness & contrast

Relative luminance0.11118WCAG 2.x, 0 is black and 1 is white
Perceived brightness95.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.51:1
Contrast with white6.51:1WCAG normal text: AA
Contrast with black3.22:1WCAG normal text: Fail
Greyscale equivalent#4D4D4D
Inverted#FEA931

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0067D2no red cones; affects about 1% of men; ΔE 12.2 from the original
Deuteranopia#0055CCno green cones; the most common form, about 1% of men; ΔE 0.6 from the original
Tritanopia#007589no blue cones; rare, and affects men and women equally; ΔE 67.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.51:1WCAG large text: AAA
Contrast with black, large text3.22:1WCAG large text: AA

Named colours

Royal blue · ΔE 8.4Slate blue · ΔE 14.7Medium slateblue · ΔE 19.2Medium purple · ΔE 25.3Dodgerblue · ΔE 26.1Rebecca purple · ΔE 27
Nearest named CSS colourRoyal blue (#4169E1)ΔE 8.39, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CE7901
Analogous#01BCCE, #1201CE
Triadic#CE0156, #56CE01
Split complementary#CE1301, #BCCE01
Tetradic#CE01BD, #CE7901, #01CE13

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9CC5FF
Lighter +30%#6AA7FE
Lighter +20%#378AFE
Lighter +10%#046CFE
Darker −10%#01419B
Darker −20%#012C68
Darker −30%#001636
Darker −40%#000103
More saturated +25%#0056CF
Less saturated −25%#1B5AB4

Channel breakdown

R1
G86
B206
Red1 (0.4%)
Green86 (33.7%)
Blue206 (80.8%)
Hue215.12°
Saturation (HSL)99.03%
Lightness40.59%
Dominant channelBlue
Hex per channelR 01 · G 56 · B CE

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Every value on this page was computed from “0156ce” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.