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Colour

#0056A1

  • #0056A1
  • Blue
  • Dark
  • Nearest: Dark slateblue

#0056A1 is a blue with RGB values 0, 86, 161 and HSL 208°, 100%, 32%. It is a dark colour, so white text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#0056A1#0056A1
HEX#0056A1
RGBrgb(0, 86, 161)
RGB (0–1)0, 0.3373, 0.6314
RGB percentages0%, 33.7%, 63.1%
HSLhsl(208, 100%, 31.6%)
HSV / HSBhsv(208, 100%, 63.1%)
CMYK100%, 46.6%, 0%, 36.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer22,177
CSS custom property--colour: #0056A1;

Brightness & contrast

Relative luminance0.09229WCAG 2.x, 0 is black and 1 is white
Perceived brightness85.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.38:1
Contrast with white7.38:1WCAG normal text: AAA
Contrast with black2.85:1WCAG normal text: Fail
Greyscale equivalent#494949
Inverted#FFA95E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2C5DA4no red cones; affects about 1% of men; ΔE 4.7 from the original
Deuteranopia#0050A0no green cones; the most common form, about 1% of men; ΔE 4.7 from the original
Tritanopia#006873no blue cones; rare, and affects men and women equally; ΔE 44.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.38:1WCAG large text: AAA
Contrast with black, large text2.85:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 19.3Steel blue · ΔE 24.8Cornflower blue · ΔE 25.7Royal blue · ΔE 28.4Dodgerblue · ΔE 28.5Slate blue · ΔE 31.3
Nearest named CSS colourDark slateblue (#483D8B)ΔE 19.26, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A14B00
Analogous#00A19B, #0006A1
Triadic#A10056, #56A100
Split complementary#A10006, #A19B00
Tetradic#9B00A1, #A14B00, #06A100

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6EBBFF
Lighter +30%#3BA4FF
Lighter +20%#088CFF
Lighter +10%#0071D4
Darker −10%#003B6E
Darker −20%#00203B
Darker −30%#000408
Darker −40%#000000
More saturated +25%#0056A1
Less saturated −25%#14558D

Channel breakdown

R0
G86
B161
Red0 (0%)
Green86 (33.7%)
Blue161 (63.1%)
Hue207.95°
Saturation (HSL)100%
Lightness31.57%
Dominant channelBlue
Hex per channelR 00 · G 56 · B A1

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Every value on this page was computed from “0056a1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.