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Colour

#0A394A

  • #0A394A
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#0A394A is a cyan with RGB values 10, 57, 74 and HSL 196°, 76%, 16%. It is a dark colour, so white text on it reaches 12.4:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#0A394A#0A394A
HEX#0A394A
RGBrgb(10, 57, 74)
RGB (0–1)0.0392, 0.2235, 0.2902
RGB percentages3.9%, 22.4%, 29%
HSLhsl(195.9, 76.2%, 16.5%)
HSV / HSBhsv(195.9, 86.5%, 29%)
CMYK86.5%, 23%, 0%, 71%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer670,026
CSS custom property--colour: #0A394A;

Brightness & contrast

Relative luminance0.03485WCAG 2.x, 0 is black and 1 is white
Perceived brightness50.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.37:1
Contrast with white12.37:1WCAG normal text: AAA
Contrast with black1.7:1WCAG normal text: Fail
Greyscale equivalent#303030
Inverted#F5C6B5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#30384Bno red cones; affects about 1% of men; ΔE 10.8 from the original
Deuteranopia#27324Ano green cones; the most common form, about 1% of men; ΔE 11.4 from the original
Tritanopia#003E3Fno blue cones; rare, and affects men and women equally; ΔE 12.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.37:1WCAG large text: AAA
Contrast with black, large text1.7:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 14.9Black · ΔE 27.7Dim grey · ΔE 28.2Slate grey · ΔE 31.9Teal · ΔE 33.9Light slate grey · ΔE 34.8
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 14.87, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4A1B0A
Analogous#0A4A3B, #0A194A
Triadic#4A0A39, #394A0A
Split complementary#4A0A19, #4A3B0A
Tetradic#3B0A4A, #4A1B0A, #194A0A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#3BB8E5
Lighter +30%#1CA1D1
Lighter +20%#167EA4
Lighter +10%#105C77
Darker −10%#04161D
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003E54
Less saturated −25%#153440

Channel breakdown

R10
G57
B74
Red10 (3.9%)
Green57 (22.4%)
Blue74 (29%)
Hue195.94°
Saturation (HSL)76.19%
Lightness16.47%
Dominant channelBlue
Hex per channelR 0A · G 39 · B 4A

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Every value on this page was computed from “0a394a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.