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Colour

#1C2653

  • #1C2653
  • Blue
  • Dark
  • Nearest: Dark slateblue

#1C2653 is a blue with RGB values 28, 38, 83 and HSL 229°, 50%, 22%. It is a dark colour, so white text on it reaches 14.5:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#1C2653#1C2653
HEX#1C2653
RGBrgb(28, 38, 83)
RGB (0–1)0.1098, 0.149, 0.3255
RGB percentages11%, 14.9%, 32.5%
HSLhsl(229.1, 49.5%, 21.8%)
HSV / HSBhsv(229.1, 66.3%, 32.5%)
CMYK66.3%, 54.2%, 0%, 67.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,844,819
CSS custom property--colour: #1C2653;

Brightness & contrast

Relative luminance0.02258WCAG 2.x, 0 is black and 1 is white
Perceived brightness43.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.47:1
Contrast with white14.47:1WCAG normal text: AAA
Contrast with black1.45:1WCAG normal text: Fail
Greyscale equivalent#272727
Inverted#E3D9AC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0E2C55no red cones; affects about 1% of men; ΔE 6.3 from the original
Deuteranopia#042752no green cones; the most common form, about 1% of men; ΔE 5.1 from the original
Tritanopia#003038no blue cones; rare, and affects men and women equally; ΔE 30.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.47:1WCAG large text: AAA
Contrast with black, large text1.45:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 23.9Midnight blue · ΔE 28.7Black · ΔE 35.4Dark slate grey · ΔE 37.4Steel blue · ΔE 39.2Rebecca purple · ΔE 39.4
Nearest named CSS colourDark slateblue (#483D8B)ΔE 23.94, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#53491C
Analogous#1C4153, #2E1C53
Triadic#531C26, #26531C
Split complementary#532E1C, #41531C
Tetradic#531C42, #53491C, #1C532E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6D7FCE
Lighter +30%#475DC1
Lighter +20%#36499F
Lighter +10%#293779
Darker −10%#0F152D
Darker −20%#020307
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0E1D61
Less saturated −25%#2A2F45

Channel breakdown

R28
G38
B83
Red28 (11%)
Green38 (14.9%)
Blue83 (32.5%)
Hue229.09°
Saturation (HSL)49.55%
Lightness21.76%
Dominant channelBlue
Hex per channelR 1C · G 26 · B 53

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Every value on this page was computed from “1c2653” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.