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Recognised as Colour

#01403E

  • #01403E
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#01403E is a cyan with RGB values 1, 64, 62 and HSL 178°, 97%, 13%. 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

#01403E#01403E
HEX#01403E
RGBrgb(1, 64, 62)
RGB (0–1)0.0039, 0.251, 0.2431
RGB percentages0.4%, 25.1%, 24.3%
HSLhsl(178.1, 96.9%, 12.7%)
HSV / HSBhsv(178.1, 98.4%, 25.1%)
CMYK98.4%, 0%, 3.1%, 74.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer81,982
CSS custom property--colour: #01403E;

Brightness & contrast

Relative luminance0.04021WCAG 2.x, 0 is black and 1 is white
Perceived brightness53.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.64:1
Contrast with white11.64:1WCAG normal text: AAA
Contrast with black1.8:1WCAG normal text: Fail
Greyscale equivalent#323232
Inverted#FEBFC1

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3B3C3Eno red cones; affects about 1% of men; ΔE 18.7 from the original
Deuteranopia#33363Eno green cones; the most common form, about 1% of men; ΔE 19.3 from the original
Tritanopia#00423Fno blue cones; rare, and affects men and women equally; ΔE 1.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.64:1WCAG large text: AAA
Contrast with black, large text1.8:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 10.1Teal · ΔE 27Dim grey · ΔE 28Black · ΔE 30.3Dark cyan · ΔE 31.4Slate grey · ΔE 34
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 10.09, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#400103
Analogous#01401E, #012340
Triadic#3E0140, #403E01
Split complementary#400123, #401E01
Tetradic#1E0140, #400103, #234001

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#12FBF4
Lighter +30%#03D7D0
Lighter +20%#03A49F
Lighter +10%#02726F
Darker −10%#000E0D
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00413F
Less saturated −25%#093836

Channel breakdown

R1
G64
B62
Red1 (0.4%)
Green64 (25.1%)
Blue62 (24.3%)
Hue178.1°
Saturation (HSL)96.92%
Lightness12.75%
Dominant channelGreen
Hex per channelR 01 · G 40 · B 3E

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Every value on this page was computed from “01403e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.