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Recognised as Colour

#1C1698

  • #1C1698
  • Blue
  • Dark
  • Nearest: Dark blue

#1C1698 is a blue with RGB values 28, 22, 152 and HSL 243°, 75%, 34%. It is a dark colour, so white text on it reaches 13:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#1C1698#1C1698
HEX#1C1698
RGBrgb(28, 22, 152)
RGB (0–1)0.1098, 0.0863, 0.5961
RGB percentages11%, 8.6%, 59.6%
HSLhsl(242.8, 74.7%, 34.1%)
HSV / HSBhsv(242.8, 85.5%, 59.6%)
CMYK81.6%, 85.5%, 0%, 40.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,840,792
CSS custom property--colour: #1C1698;

Brightness & contrast

Relative luminance0.03088WCAG 2.x, 0 is black and 1 is white
Perceived brightness56.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.98:1
Contrast with white12.98:1WCAG normal text: AAA
Contrast with black1.62:1WCAG normal text: Fail
Greyscale equivalent#212121
Inverted#E3E967

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00379Bno red cones; affects about 1% of men; ΔE 22.9 from the original
Deuteranopia#002A96no green cones; the most common form, about 1% of men; ΔE 14.7 from the original
Tritanopia#004159no blue cones; rare, and affects men and women equally; ΔE 73.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.98:1WCAG large text: AAA
Contrast with black, large text1.62:1WCAG large text: Fail

Named colours

Dark blue · ΔE 6.8Navy · ΔE 7.9Indigo · ΔE 14.8Midnight blue · ΔE 23.8Rebecca purple · ΔE 24.1Slate blue · ΔE 28.8
Nearest named CSS colourDark blue (#00008B)ΔE 6.78, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#929816
Analogous#165198, #5D1698
Triadic#981C16, #16981C
Split complementary#985D16, #519816
Tetradic#981651, #929816, #16985D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#908CEE
Lighter +30%#655FE8
Lighter +20%#3B33E1
Lighter +10%#241CC5
Darker −10%#14106B
Darker −20%#0C093F
Darker −30%#030312
Darker −40%#000000
More saturated +25%#0800AE
Less saturated −25%#302C82

Channel breakdown

R28
G22
B152
Red28 (11%)
Green22 (8.6%)
Blue152 (59.6%)
Hue242.77°
Saturation (HSL)74.71%
Lightness34.12%
Dominant channelBlue
Hex per channelR 1C · G 16 · B 98

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Every value on this page was computed from “1c1698” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.