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Recognised as Colour

#2A2C77

  • #2A2C77
  • Blue
  • Dark
  • Nearest: Dark slateblue

#2A2C77 is a blue with RGB values 42, 44, 119 and HSL 238°, 48%, 32%. It is a dark colour, so white text on it reaches 12.2:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2A2C77#2A2C77
HEX#2A2C77
RGBrgb(42, 44, 119)
RGB (0–1)0.1647, 0.1725, 0.4667
RGB percentages16.5%, 17.3%, 46.7%
HSLhsl(238.4, 47.8%, 31.6%)
HSV / HSBhsv(238.4, 64.7%, 46.7%)
CMYK64.7%, 63%, 0%, 53.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,763,895
CSS custom property--colour: #2A2C77;

Brightness & contrast

Relative luminance0.03626WCAG 2.x, 0 is black and 1 is white
Perceived brightness57.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.17:1
Contrast with white12.17:1WCAG normal text: AAA
Contrast with black1.73:1WCAG normal text: Fail
Greyscale equivalent#313131
Inverted#D5D388

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003979no red cones; affects about 1% of men; ΔE 13.5 from the original
Deuteranopia#003276no green cones; the most common form, about 1% of men; ΔE 9.4 from the original
Tritanopia#003E4Dno blue cones; rare, and affects men and women equally; ΔE 46.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.17:1WCAG large text: AAA
Contrast with black, large text1.73:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 8.7Midnight blue · ΔE 11.8Rebecca purple · ΔE 21.8Indigo · ΔE 29.4Slate blue · ΔE 29.6Navy · ΔE 33
Nearest named CSS colourDark slateblue (#483D8B)ΔE 8.74, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#77752A
Analogous#2A5377, #4E2A77
Triadic#772A2C, #2C772A
Split complementary#774E2A, #53772A
Tetradic#772A53, #77752A, #2A774E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9496D9
Lighter +30%#6E71CC
Lighter +20%#484CBF
Lighter +10%#373A9D
Darker −10%#1D1E51
Darker −20%#0F102C
Darker −30%#020206
Darker −40%#000000
More saturated +25%#16198B
Less saturated −25%#3E3F63

Channel breakdown

R42
G44
B119
Red42 (16.5%)
Green44 (17.3%)
Blue119 (46.7%)
Hue238.44°
Saturation (HSL)47.83%
Lightness31.57%
Dominant channelBlue
Hex per channelR 2A · G 2C · B 77

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Every value on this page was computed from “2a2c77” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.