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Recognised as Colour

#103D53

  • #103D53
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#103D53 is a cyan with RGB values 16, 61, 83 and HSL 200°, 68%, 19%. It is a dark colour, so white text on it reaches 11.6:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#103D53#103D53
HEX#103D53
RGBrgb(16, 61, 83)
RGB (0–1)0.0627, 0.2392, 0.3255
RGB percentages6.3%, 23.9%, 32.5%
HSLhsl(199.7, 67.7%, 19.4%)
HSV / HSBhsv(199.7, 80.7%, 32.5%)
CMYK80.7%, 26.5%, 0%, 67.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,064,275
CSS custom property--colour: #103D53;

Brightness & contrast

Relative luminance0.04072WCAG 2.x, 0 is black and 1 is white
Perceived brightness55.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.57:1
Contrast with white11.57:1WCAG normal text: AAA
Contrast with black1.81:1WCAG normal text: Fail
Greyscale equivalent#353535
Inverted#EFC2AC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#323C54no red cones; affects about 1% of men; ΔE 9.7 from the original
Deuteranopia#293653no green cones; the most common form, about 1% of men; ΔE 10.5 from the original
Tritanopia#004344no blue cones; rare, and affects men and women equally; ΔE 16.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.57:1WCAG large text: AAA
Contrast with black, large text1.81:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 16.5Dim grey · ΔE 27.8Slate grey · ΔE 30.1Black · ΔE 30.4Steel blue · ΔE 32.2Light slate grey · ΔE 33
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 16.54, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#532610
Analogous#105348, #101B53
Triadic#53103D, #3D5310
Split complementary#53101B, #534810
Tetradic#481053, #532610, #1B5310

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#51B0DE
Lighter +30%#299BD3
Lighter +20%#207CA9
Lighter +10%#185C7E
Darker −10%#081E28
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#04415F
Less saturated −25%#1C3947

Channel breakdown

R16
G61
B83
Red16 (6.3%)
Green61 (23.9%)
Blue83 (32.5%)
Hue199.7°
Saturation (HSL)67.68%
Lightness19.41%
Dominant channelBlue
Hex per channelR 10 · G 3D · B 53

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Every value on this page was computed from “103d53” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.