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Colour

#1C499D

  • #1C499D
  • Blue
  • Dark
  • Nearest: Dark slateblue

#1C499D is a blue with RGB values 28, 73, 157 and HSL 219°, 70%, 36%. It is a dark colour, so white text on it reaches 8.4:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#1C499D#1C499D
HEX#1C499D
RGBrgb(28, 73, 157)
RGB (0–1)0.1098, 0.2863, 0.6157
RGB percentages11%, 28.6%, 61.6%
HSLhsl(219.1, 69.7%, 36.3%)
HSV / HSBhsv(219.1, 82.2%, 61.6%)
CMYK82.2%, 53.5%, 0%, 38.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,853,853
CSS custom property--colour: #1C499D;

Brightness & contrast

Relative luminance0.07446WCAG 2.x, 0 is black and 1 is white
Perceived brightness78.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.44:1
Contrast with white8.44:1WCAG normal text: AAA
Contrast with black2.49:1WCAG normal text: Fail
Greyscale equivalent#454545
Inverted#E3B662

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0953A0no red cones; affects about 1% of men; ΔE 7.9 from the original
Deuteranopia#00489Bno green cones; the most common form, about 1% of men; ΔE 2.2 from the original
Tritanopia#005E6Cno blue cones; rare, and affects men and women equally; ΔE 50 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.44:1WCAG large text: AAA
Contrast with black, large text2.49:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 12.1Midnight blue · ΔE 22.4Royal blue · ΔE 23.3Slate blue · ΔE 24Rebecca purple · ΔE 26Medium purple · ΔE 29.7
Nearest named CSS colourDark slateblue (#483D8B)ΔE 12.13, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9D701C
Analogous#1C8A9D, #2F1C9D
Triadic#9D1C49, #499D1C
Split complementary#9D2F1C, #8A9D1C
Tetradic#9D1C8A, #9D701C, #1C9D2F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#98B6ED
Lighter +30%#6D97E5
Lighter +20%#4278DD
Lighter +10%#245DC8
Darker −10%#143572
Darker −20%#0D2146
Darker −30%#050D1B
Darker −40%#000000
More saturated +25%#0542B4
Less saturated −25%#335086

Channel breakdown

R28
G73
B157
Red28 (11%)
Green73 (28.6%)
Blue157 (61.6%)
Hue219.07°
Saturation (HSL)69.73%
Lightness36.27%
Dominant channelBlue
Hex per channelR 1C · G 49 · B 9D

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Every value on this page was computed from “1c499d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.