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Recognised as Colour

#1C0D91

  • #1C0D91
  • Blue
  • Dark
  • Nearest: Dark blue

#1C0D91 is a blue with RGB values 28, 13, 145 and HSL 247°, 84%, 31%. It is a dark colour, so white text on it reaches 13.9:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#1C0D91#1C0D91
HEX#1C0D91
RGBrgb(28, 13, 145)
RGB (0–1)0.1098, 0.051, 0.5686
RGB percentages11%, 5.1%, 56.9%
HSLhsl(246.8, 83.5%, 31%)
HSV / HSBhsv(246.8, 91%, 56.9%)
CMYK80.7%, 91%, 0%, 43.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,838,481
CSS custom property--colour: #1C0D91;

Brightness & contrast

Relative luminance0.02579WCAG 2.x, 0 is black and 1 is white
Perceived brightness52.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.85:1
Contrast with white13.85:1WCAG normal text: AAA
Contrast with black1.52:1WCAG normal text: Fail
Greyscale equivalent#1A1A1A
Inverted#E3F26E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003394no red cones; affects about 1% of men; ΔE 24.6 from the original
Deuteranopia#00268Fno green cones; the most common form, about 1% of men; ΔE 16.4 from the original
Tritanopia#003C54no blue cones; rare, and affects men and women equally; ΔE 73.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text13.85:1WCAG large text: AAA
Contrast with black, large text1.52:1WCAG large text: Fail

Named colours

Dark blue · ΔE 4.6Navy · ΔE 5.7Indigo · ΔE 13.8Midnight blue · ΔE 23.9Rebecca purple · ΔE 24.9Dark orchid · ΔE 30.9
Nearest named CSS colourDark blue (#00008B)ΔE 4.61, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#82910D
Analogous#0D4091, #5E0D91
Triadic#911C0D, #0D911C
Split complementary#915E0D, #40910D
Tetradic#910D40, #82910D, #0D915E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8577F3
Lighter +30%#5B48EF
Lighter +20%#311AEA
Lighter +10%#2511C0
Darker −10%#130962
Darker −20%#0A0533
Darker −30%#010005
Darker −40%#000000
More saturated +25%#12009E
Less saturated −25%#2B217D

Channel breakdown

R28
G13
B145
Red28 (11%)
Green13 (5.1%)
Blue145 (56.9%)
Hue246.82°
Saturation (HSL)83.54%
Lightness30.98%
Dominant channelBlue
Hex per channelR 1C · G 0D · B 91

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Every value on this page was computed from “1c0d91” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.