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Recognised as Colour

#1D09CC

  • #1D09CC
  • Blue
  • Dark
  • Nearest: Medium blue

#1D09CC is a blue with RGB values 29, 9, 204 and HSL 246°, 92%, 42%. It is a dark colour, so white text on it reaches 10.7:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#1D09CC#1D09CC
HEX#1D09CC
RGBrgb(29, 9, 204)
RGB (0–1)0.1137, 0.0353, 0.8
RGB percentages11.4%, 3.5%, 80%
HSLhsl(246.2, 91.5%, 41.8%)
HSV / HSBhsv(246.2, 95.6%, 80%)
CMYK85.8%, 95.6%, 0%, 20%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,903,052
CSS custom property--colour: #1D09CC;

Brightness & contrast

Relative luminance0.04816WCAG 2.x, 0 is black and 1 is white
Perceived brightness71 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.7:1
Contrast with white10.7:1WCAG normal text: AAA
Contrast with black1.96:1WCAG normal text: Fail
Greyscale equivalent#1B1B1B
Inverted#E2F633

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0047D1no red cones; affects about 1% of men; ΔE 32.6 from the original
Deuteranopia#0034C9no green cones; the most common form, about 1% of men; ΔE 21.9 from the original
Tritanopia#005577no blue cones; rare, and affects men and women equally; ΔE 97.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.7:1WCAG large text: AAA
Contrast with black, large text1.96:1WCAG large text: Fail

Named colours

Medium blue · ΔE 3.4Blue violet · ΔE 21.8Blue · ΔE 24.3Dark violet · ΔE 25.3Dark blue · ΔE 27.6Navy · ΔE 32.8
Nearest named CSS colourMedium blue (#0000CD)ΔE 3.43, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B8CC09
Analogous#0956CC, #7F09CC
Triadic#CC1D09, #09CC1D
Split complementary#CC7E09, #57CC09
Tetradic#CC0956, #B8CC09, #09CC7F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AFA6FB
Lighter +30%#8375F9
Lighter +20%#5744F7
Lighter +10%#2A13F5
Darker −10%#16079B
Darker −20%#0F056A
Darker −30%#080339
Darker −40%#010009
More saturated +25%#1600D5
Less saturated −25%#3224B1

Channel breakdown

R29
G9
B204
Red29 (11.4%)
Green9 (3.5%)
Blue204 (80%)
Hue246.15°
Saturation (HSL)91.55%
Lightness41.76%
Dominant channelBlue
Hex per channelR 1D · G 09 · B CC

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Every value on this page was computed from “1d09cc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.