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Colour

#0028CC

  • #0028CC
  • Blue
  • Dark
  • Nearest: Medium blue

#0028CC is a blue with RGB values 0, 40, 204 and HSL 228°, 100%, 40%. It is a dark colour, so white text on it reaches 9.7:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#0028CC#0028CC
HEX#0028CC
RGBrgb(0, 40, 204)
RGB (0–1)0, 0.1569, 0.8
RGB percentages0%, 15.7%, 80%
HSLhsl(228.2, 100%, 40%)
HSV / HSBhsv(228.2, 100%, 80%)
CMYK100%, 80.4%, 0%, 20%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,444
CSS custom property--colour: #0028CC;

Brightness & contrast

Relative luminance0.05877WCAG 2.x, 0 is black and 1 is white
Perceived brightness75.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.65:1
Contrast with white9.65:1WCAG normal text: AAA
Contrast with black2.18:1WCAG normal text: Fail
Greyscale equivalent#2B2B2B
Inverted#FFD733

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004ED1no red cones; affects about 1% of men; ΔE 25.6 from the original
Deuteranopia#003AC9no green cones; the most common form, about 1% of men; ΔE 13.7 from the original
Tritanopia#005D7Bno blue cones; rare, and affects men and women equally; ΔE 89.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.65:1WCAG large text: AAA
Contrast with black, large text2.18:1WCAG large text: Fail

Named colours

Medium blue · ΔE 15.7Dark blue · ΔE 21.3Blue violet · ΔE 22.5Navy · ΔE 26Dark violet · ΔE 28.2Dark orchid · ΔE 30
Nearest named CSS colourMedium blue (#0000CD)ΔE 15.68, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CCA400
Analogous#008ECC, #3E00CC
Triadic#CC0028, #28CC00
Split complementary#CC3E00, #8ECC00
Tetradic#CC008E, #CCA400, #00CC3E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#99ADFF
Lighter +30%#6684FF
Lighter +20%#335BFF
Lighter +10%#0032FF
Darker −10%#001E99
Darker −20%#001466
Darker −30%#000A33
Darker −40%#000000
More saturated +25%#0028CC
Less saturated −25%#1937B3

Channel breakdown

R0
G40
B204
Red0 (0%)
Green40 (15.7%)
Blue204 (80%)
Hue228.24°
Saturation (HSL)100%
Lightness40%
Dominant channelBlue
Hex per channelR 00 · G 28 · B CC

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Every value on this page was computed from “0028cc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.