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Colour

#273CCC

  • #273CCC
  • Blue
  • Dark
  • Nearest: Medium slateblue

#273CCC is a blue with RGB values 39, 60, 204 and HSL 232°, 68%, 48%. It is a dark colour, so white text on it reaches 8.1:1 contrast (AAA for normal text). The nearest named colour is Medium slateblue.

Colour values

#273CCC#273CCC
HEX#273CCC
RGBrgb(39, 60, 204)
RGB (0–1)0.1529, 0.2353, 0.8
RGB percentages15.3%, 23.5%, 80%
HSLhsl(232.4, 67.9%, 47.6%)
HSV / HSBhsv(232.4, 80.9%, 80%)
CMYK80.9%, 70.6%, 0%, 20%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,571,468
CSS custom property--colour: #273CCC;

Brightness & contrast

Relative luminance0.08023WCAG 2.x, 0 is black and 1 is white
Perceived brightness85.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.06:1
Contrast with white8.06:1WCAG normal text: AAA
Contrast with black2.6:1WCAG normal text: Fail
Greyscale equivalent#424242
Inverted#D8C333

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0058D0no red cones; affects about 1% of men; ΔE 21 from the original
Deuteranopia#0048C9no green cones; the most common form, about 1% of men; ΔE 11.5 from the original
Tritanopia#006580no blue cones; rare, and affects men and women equally; ΔE 79.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.06:1WCAG large text: AAA
Contrast with black, large text2.6:1WCAG large text: Fail

Named colours

Medium slateblue · ΔE 21.2Dark blue · ΔE 21.5Slate blue · ΔE 22.8Navy · ΔE 24Royal blue · ΔE 25Blue violet · ΔE 26.9
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 21.16, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CCB727
Analogous#278ECC, #6527CC
Triadic#CC273C, #3CCC27
Split complementary#CC6527, #8FCC27
Tetradic#CC278E, #CCB727, #27CC65

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CAD0F5
Lighter +30%#9FA9ED
Lighter +20%#7483E5
Lighter +10%#4A5CDC
Darker −10%#1F2FA1
Darker −20%#172376
Darker −30%#0E164C
Darker −40%#060A21
More saturated +25%#0925EA
Less saturated −25%#4553AE

Channel breakdown

R39
G60
B204
Red39 (15.3%)
Green60 (23.5%)
Blue204 (80%)
Hue232.36°
Saturation (HSL)67.9%
Lightness47.65%
Dominant channelBlue
Hex per channelR 27 · G 3C · B CC

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Every value on this page was computed from “273ccc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.