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Colour

#09403D

  • #09403D
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#09403D is a cyan with RGB values 9, 64, 61 and HSL 177°, 75%, 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

#09403D#09403D
HEX#09403D
RGBrgb(9, 64, 61)
RGB (0–1)0.0353, 0.251, 0.2392
RGB percentages3.5%, 25.1%, 23.9%
HSLhsl(176.7, 75.3%, 14.3%)
HSV / HSBhsv(176.7, 85.9%, 25.1%)
CMYK85.9%, 0%, 4.7%, 74.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer606,269
CSS custom property--colour: #09403D;

Brightness & contrast

Relative luminance0.04062WCAG 2.x, 0 is black and 1 is white
Perceived brightness53.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.59:1
Contrast with white11.59:1WCAG normal text: AAA
Contrast with black1.81:1WCAG normal text: Fail
Greyscale equivalent#343434
Inverted#F6BFC2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3C3C3Dno red cones; affects about 1% of men; ΔE 18.1 from the original
Deuteranopia#34363Dno green cones; the most common form, about 1% of men; ΔE 18.6 from the original
Tritanopia#00423Fno blue cones; rare, and affects men and women equally; ΔE 1.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.59:1WCAG large text: AAA
Contrast with black, large text1.81:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 9.5Dim grey · ΔE 27.3Teal · ΔE 27.4Black · ΔE 29.9Dark cyan · ΔE 31.7Slate grey · ΔE 33.7
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 9.5, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#40090C
Analogous#094022, #092740
Triadic#3D0940, #403D09
Split complementary#400927, #402209
Tetradic#220940, #40090C, #274009

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#33E2D9
Lighter +30%#1CC6BD
Lighter +20%#169992
Lighter +10%#0F6D68
Darker −10%#031312
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#004945
Less saturated −25%#123735

Channel breakdown

R9
G64
B61
Red9 (3.5%)
Green64 (25.1%)
Blue61 (23.9%)
Hue176.73°
Saturation (HSL)75.34%
Lightness14.31%
Dominant channelGreen
Hex per channelR 09 · G 40 · B 3D

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Every value on this page was computed from “09403d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.