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Recognised as Colour

#2C2870

  • #2C2870
  • Blue
  • Dark
  • Nearest: Dark slateblue

#2C2870 is a blue with RGB values 44, 40, 112 and HSL 243°, 47%, 30%. It is a dark colour, so white text on it reaches 12.8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2C2870#2C2870
HEX#2C2870
RGBrgb(44, 40, 112)
RGB (0–1)0.1725, 0.1569, 0.4392
RGB percentages17.3%, 15.7%, 43.9%
HSLhsl(243.3, 47.4%, 29.8%)
HSV / HSBhsv(243.3, 64.3%, 43.9%)
CMYK60.7%, 64.3%, 0%, 56.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,893,936
CSS custom property--colour: #2C2870;

Brightness & contrast

Relative luminance0.03223WCAG 2.x, 0 is black and 1 is white
Perceived brightness54.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.77:1
Contrast with white12.77:1WCAG normal text: AAA
Contrast with black1.64:1WCAG normal text: Fail
Greyscale equivalent#2E2E2E
Inverted#D3D78F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003572no red cones; affects about 1% of men; ΔE 14.2 from the original
Deuteranopia#00306Fno green cones; the most common form, about 1% of men; ΔE 11.6 from the original
Tritanopia#033A48no blue cones; rare, and affects men and women equally; ΔE 45.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.77:1WCAG large text: AAA
Contrast with black, large text1.64:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 10Midnight blue · ΔE 12Rebecca purple · ΔE 22.6Indigo · ΔE 29.6Slate blue · ΔE 31.6Navy · ΔE 33.7
Nearest named CSS colourDark slateblue (#483D8B)ΔE 10.04, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6C7028
Analogous#284870, #502870
Triadic#702C28, #28702C
Split complementary#705028, #487028
Tetradic#702848, #6C7028, #287050

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#928ED6
Lighter +30%#6D68C9
Lighter +20%#4A43BB
Lighter +10%#3B3596
Darker −10%#1D1B4A
Darker −20%#0E0D25
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1B1583
Less saturated −25%#3D3B5D

Channel breakdown

R44
G40
B112
Red44 (17.3%)
Green40 (15.7%)
Blue112 (43.9%)
Hue243.33°
Saturation (HSL)47.37%
Lightness29.8%
Dominant channelBlue
Hex per channelR 2C · G 28 · B 70

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Every value on this page was computed from “2c2870” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.