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Recognised as Colour

#003648

  • #003648
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#003648 is a cyan with RGB values 0, 54, 72 and HSL 195°, 100%, 14%. It is a dark colour, so white text on it reaches 13:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#003648#003648
HEX#003648
RGBrgb(0, 54, 72)
RGB (0–1)0, 0.2118, 0.2824
RGB percentages0%, 21.2%, 28.2%
HSLhsl(195, 100%, 14.1%)
HSV / HSBhsv(195, 100%, 28.2%)
CMYK100%, 25%, 0%, 71.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,896
CSS custom property--colour: #003648;

Brightness & contrast

Relative luminance0.03106WCAG 2.x, 0 is black and 1 is white
Perceived brightness48 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.95:1
Contrast with white12.95:1WCAG normal text: AAA
Contrast with black1.62:1WCAG normal text: Fail
Greyscale equivalent#2C2C2C
Inverted#FFC9B7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2C3549no red cones; affects about 1% of men; ΔE 11.1 from the original
Deuteranopia#232F48no green cones; the most common form, about 1% of men; ΔE 11.8 from the original
Tritanopia#003B3Cno blue cones; rare, and affects men and women equally; ΔE 12.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.95:1WCAG large text: AAA
Contrast with black, large text1.62:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 16.4Black · ΔE 27.2Dim grey · ΔE 29.9Slate grey · ΔE 33.4Teal · ΔE 35.1Steel blue · ΔE 36.3
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 16.39, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#481200
Analogous#004836, #001248
Triadic#480036, #364800
Split complementary#480012, #483600
Tetradic#360048, #481200, #124800

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#15C4FF
Lighter +30%#00A9E1
Lighter +20%#0083AE
Lighter +10%#005C7B
Darker −10%#001015
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003648
Less saturated −25%#09313F

Channel breakdown

R0
G54
B72
Red0 (0%)
Green54 (21.2%)
Blue72 (28.2%)
Hue195°
Saturation (HSL)100%
Lightness14.12%
Dominant channelBlue
Hex per channelR 00 · G 36 · B 48

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Every value on this page was computed from “hex 003648” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.