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Recognised as Colour

#2D43D8

  • #2D43D8
  • Blue
  • Dark
  • Nearest: Medium slateblue

#2D43D8 is a blue with RGB values 45, 67, 216 and HSL 232°, 69%, 51%. It is a dark colour, so white text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Medium slateblue.

Colour values

#2D43D8#2D43D8
HEX#2D43D8
RGBrgb(45, 67, 216)
RGB (0–1)0.1765, 0.2627, 0.8471
RGB percentages17.6%, 26.3%, 84.7%
HSLhsl(232.3, 68.7%, 51.2%)
HSV / HSBhsv(232.3, 79.2%, 84.7%)
CMYK79.2%, 69%, 0%, 15.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,966,488
CSS custom property--colour: #2D43D8;

Brightness & contrast

Relative luminance0.0953WCAG 2.x, 0 is black and 1 is white
Perceived brightness92.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.23:1
Contrast with white7.23:1WCAG normal text: AAA
Contrast with black2.91:1WCAG normal text: Fail
Greyscale equivalent#494949
Inverted#D2BC27

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005FDDno red cones; affects about 1% of men; ΔE 20.6 from the original
Deuteranopia#004FD5no green cones; the most common form, about 1% of men; ΔE 11.7 from the original
Tritanopia#006D88no blue cones; rare, and affects men and women equally; ΔE 82.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.23:1WCAG large text: AAA
Contrast with black, large text2.91:1WCAG large text: Fail

Named colours

Medium slateblue · ΔE 20Slate blue · ΔE 23.4Dark blue · ΔE 24.7Royal blue · ΔE 24.8Blue violet · ΔE 25.9Navy · ΔE 27.5
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 19.99, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D8C22D
Analogous#2D98D8, #6C2DD8
Triadic#D82D43, #43D82D
Split complementary#D86D2D, #98D82D
Tetradic#D82D99, #D8C22D, #2DD86D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D9DDF8
Lighter +30%#AEB7F0
Lighter +20%#8390E8
Lighter +10%#586AE0
Darker −10%#2133B1
Darker −20%#192786
Darker −30%#111A5B
Darker −40%#090E30
More saturated +25%#0E2CF7
Less saturated −25%#4C5AB9

Channel breakdown

R45
G67
B216
Red45 (17.6%)
Green67 (26.3%)
Blue216 (84.7%)
Hue232.28°
Saturation (HSL)68.67%
Lightness51.18%
Dominant channelBlue
Hex per channelR 2D · G 43 · B D8

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Every value on this page was computed from “2d43d8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.