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Recognised as Colour

#0A402C

  • #0A402C
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#0A402C is a cyan with RGB values 10, 64, 44 and HSL 158°, 73%, 15%. It is a dark colour, so white text on it reaches 11.8:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#0A402C#0A402C
HEX#0A402C
RGBrgb(10, 64, 44)
RGB (0–1)0.0392, 0.251, 0.1725
RGB percentages3.9%, 25.1%, 17.3%
HSLhsl(157.8, 73%, 14.5%)
HSV / HSBhsv(157.8, 84.4%, 25.1%)
CMYK84.4%, 0%, 31.2%, 74.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer671,788
CSS custom property--colour: #0A402C;

Brightness & contrast

Relative luminance0.03913WCAG 2.x, 0 is black and 1 is white
Perceived brightness51.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.78:1
Contrast with white11.78:1WCAG normal text: AAA
Contrast with black1.78:1WCAG normal text: Fail
Greyscale equivalent#333333
Inverted#F5BFD3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3F3B2Bno red cones; affects about 1% of men; ΔE 21.7 from the original
Deuteranopia#38362Dno green cones; the most common form, about 1% of men; ΔE 21.8 from the original
Tritanopia#00403Bno blue cones; rare, and affects men and women equally; ΔE 10.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.78:1WCAG large text: AAA
Contrast with black, large text1.78:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 17.6Teal · ΔE 30.1Dark olivegreen · ΔE 30.1Dim grey · ΔE 31.9Black · ΔE 33.5Dark cyan · ΔE 34.1
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 17.58, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#400A1E
Analogous#0A4011, #0A3940
Triadic#2C0A40, #402C0A
Split complementary#400A39, #40110A
Tetradic#110A40, #400A1E, #39400A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#36E0A1
Lighter +30%#1FC487
Lighter +20%#189869
Lighter +10%#116C4A
Darker −10%#03140E
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#01492E
Less saturated −25%#13372A

Channel breakdown

R10
G64
B44
Red10 (3.9%)
Green64 (25.1%)
Blue44 (17.3%)
Hue157.78°
Saturation (HSL)72.97%
Lightness14.51%
Dominant channelGreen
Hex per channelR 0A · G 40 · B 2C

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Every value on this page was computed from “0a402c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.