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Recognised as Colour

#10404C

  • #10404C
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#10404C is a cyan with RGB values 16, 64, 76 and HSL 192°, 65%, 18%. It is a dark colour, so white text on it reaches 11.3:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#10404C#10404C
HEX#10404C
RGBrgb(16, 64, 76)
RGB (0–1)0.0627, 0.251, 0.298
RGB percentages6.3%, 25.1%, 29.8%
HSLhsl(192, 65.2%, 18%)
HSV / HSBhsv(192, 78.9%, 29.8%)
CMYK78.9%, 15.8%, 0%, 70.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,065,036
CSS custom property--colour: #10404C;

Brightness & contrast

Relative luminance0.04299WCAG 2.x, 0 is black and 1 is white
Perceived brightness56 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.29:1
Contrast with white11.29:1WCAG normal text: AAA
Contrast with black1.86:1WCAG normal text: Fail
Greyscale equivalent#373737
Inverted#EFBFB3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#383E4Dno red cones; affects about 1% of men; ΔE 12.9 from the original
Deuteranopia#30384Cno green cones; the most common form, about 1% of men; ΔE 13.6 from the original
Tritanopia#004444no blue cones; rare, and affects men and women equally; ΔE 9.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.29:1WCAG large text: AAA
Contrast with black, large text1.86:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 10.5Dim grey · ΔE 25.6Black · ΔE 29.6Slate grey · ΔE 29.6Teal · ΔE 29.7Light slate grey · ΔE 32.5
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 10.52, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4C1C10
Analogous#104C3A, #10224C
Triadic#4C1040, #404C10
Split complementary#4C1022, #4C3A10
Tetradic#3A104C, #4C1C10, #224C10

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#4EBEDA
Lighter +30%#2BAACA
Lighter +20%#2287A0
Lighter +10%#196376
Darker −10%#071D22
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#044758
Less saturated −25%#1C3941

Channel breakdown

R16
G64
B76
Red16 (6.3%)
Green64 (25.1%)
Blue76 (29.8%)
Hue192°
Saturation (HSL)65.22%
Lightness18.04%
Dominant channelBlue
Hex per channelR 10 · G 40 · B 4C

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Every value on this page was computed from “10404c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.