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Colour

#003548

  • #003548
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#003548 is a cyan with RGB values 0, 53, 72 and HSL 196°, 100%, 14%. It is a dark colour, so white text on it reaches 13.1:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#003548#003548
HEX#003548
RGBrgb(0, 53, 72)
RGB (0–1)0, 0.2078, 0.2824
RGB percentages0%, 20.8%, 28.2%
HSLhsl(195.8, 100%, 14.1%)
HSV / HSBhsv(195.8, 100%, 28.2%)
CMYK100%, 26.4%, 0%, 71.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer13,640
CSS custom property--colour: #003548;

Brightness & contrast

Relative luminance0.03014WCAG 2.x, 0 is black and 1 is white
Perceived brightness47.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.1:1
Contrast with white13.1:1WCAG normal text: AAA
Contrast with black1.6:1WCAG normal text: Fail
Greyscale equivalent#2B2B2B
Inverted#FFCAB7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2B3449no red cones; affects about 1% of men; ΔE 10.8 from the original
Deuteranopia#222E48no green cones; the most common form, about 1% of men; ΔE 11.6 from the original
Tritanopia#003A3Bno blue cones; rare, and affects men and women equally; ΔE 13.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.1:1WCAG large text: AAA
Contrast with black, large text1.6:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 17.2Black · ΔE 27.1Dim grey · ΔE 30.3Slate grey · ΔE 33.7Teal · ΔE 35.9Steel blue · ΔE 36.3
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 17.17, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#481300
Analogous#004837, #001148
Triadic#480035, #354800
Split complementary#480011, #483700
Tetradic#370048, #481300, #114800

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#15C1FF
Lighter +30%#00A6E1
Lighter +20%#0080AE
Lighter +10%#005B7B
Darker −10%#000F15
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003548
Less saturated −25%#09313F

Channel breakdown

R0
G53
B72
Red0 (0%)
Green53 (20.8%)
Blue72 (28.2%)
Hue195.83°
Saturation (HSL)100%
Lightness14.12%
Dominant channelBlue
Hex per channelR 00 · G 35 · B 48

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Every value on this page was computed from “hex 003548” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.