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Recognised as Colour

#05403C

  • #05403C
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#05403C is a cyan with RGB values 5, 64, 60 and HSL 176°, 86%, 14%. 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

#05403C#05403C
HEX#05403C
RGBrgb(5, 64, 60)
RGB (0–1)0.0196, 0.251, 0.2353
RGB percentages2%, 25.1%, 23.5%
HSLhsl(175.9, 85.5%, 13.5%)
HSV / HSBhsv(175.9, 92.2%, 25.1%)
CMYK92.2%, 0%, 6.2%, 74.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer344,124
CSS custom property--colour: #05403C;

Brightness & contrast

Relative luminance0.04025WCAG 2.x, 0 is black and 1 is white
Perceived brightness53.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.63:1
Contrast with white11.63:1WCAG normal text: AAA
Contrast with black1.81:1WCAG normal text: Fail
Greyscale equivalent#333333
Inverted#FABFC3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3C3C3Cno red cones; affects about 1% of men; ΔE 18.8 from the original
Deuteranopia#34363Dno green cones; the most common form, about 1% of men; ΔE 19.6 from the original
Tritanopia#00423Fno blue cones; rare, and affects men and women equally; ΔE 1.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.63:1WCAG large text: AAA
Contrast with black, large text1.81:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 10.2Teal · ΔE 27.2Dim grey · ΔE 27.9Black · ΔE 30.3Dark cyan · ΔE 31.5Slate grey · ΔE 34.3
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 10.22, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#400509
Analogous#05401F, #052640
Triadic#3C0540, #403C05
Split complementary#400526, #401F05
Tetradic#1F0540, #400509, #264005

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#23EEE0
Lighter +30%#10CEC1
Lighter +20%#0C9F95
Lighter +10%#096F68
Darker −10%#011110
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#004540
Less saturated −25%#0E3735

Channel breakdown

R5
G64
B60
Red5 (2%)
Green64 (25.1%)
Blue60 (23.5%)
Hue175.93°
Saturation (HSL)85.51%
Lightness13.53%
Dominant channelGreen
Hex per channelR 05 · G 40 · B 3C

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Every value on this page was computed from “05403c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.