Colour

#043237

#043237
Cyan
Dark
Nearest: Dark slate grey

#043237 is a cyan with RGB values 4, 50, 55 and HSL 186°, 86%, 12%. It is a dark colour, so white text on it reaches 13.8:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#043237#043237

HEX#043237

RGBrgb(4, 50, 55)

RGB (0–1)0.0157, 0.1961, 0.2157

RGB percentages1.6%, 19.6%, 21.6%

HSLhsl(185.9, 86.4%, 11.6%)

HSV / HSBhsv(185.9, 92.7%, 21.6%)

CMYK92.7%, 9.1%, 0%, 78.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer274,999

CSS custom property--colour: #043237;

Brightness & contrast

Relative luminance0.02583WCAG 2.x, 0 is black and 1 is white

Perceived brightness42.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 13.85:1

Contrast with white13.85:1WCAG normal text: AAA

Contrast with black1.52:1WCAG normal text: Fail

Greyscale equivalent#292929

Inverted#FBCDC8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#2D3037no red cones; affects about 1% of men; ΔE 13.4 from the original

Deuteranopia#262A37no green cones; the most common form, about 1% of men; ΔE 14.6 from the original

Tritanopia#003533no blue cones; rare, and affects men and women equally; ΔE 5.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text13.85:1WCAG large text: AAA

Contrast with black, large text1.52:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 13.5 Black · ΔE 23.4 Dim grey · ΔE 29.9 Teal · ΔE 34.1 Slate grey · ΔE 36.2 Gray · ΔE 38.2

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 13.52, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#370904

Analogous#043723, #041837

Triadic#370432, #323704

Split complementary#370419, #372204

Tetradic#220437, #370904, #193704

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#19D9EE

Lighter +30%#0EB4C6

Lighter +20%#0B8896

Lighter +10%#075D67

Darker −10%#010707

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#00353B

Less saturated −25%#0B2C30

Channel breakdown

G50

B55

Red4 (1.6%)

Green50 (19.6%)

Blue55 (21.6%)

Hue185.88°

Saturation (HSL)86.44%

Lightness11.57%

Dominant channelBlue

Hex per channelR 04 · G 32 · B 37

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#043237

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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