Colour

#004357

#004357
Cyan
Dark
Nearest: Dark slate grey

#004357 is a cyan with RGB values 0, 67, 87 and HSL 194°, 100%, 17%. It is a dark colour, so white text on it reaches 10.8:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#004357#004357

HEX#004357

RGBrgb(0, 67, 87)

RGB (0–1)0, 0.2627, 0.3412

RGB percentages0%, 26.3%, 34.1%

HSLhsl(193.8, 100%, 17.1%)

HSV / HSBhsv(193.8, 100%, 34.1%)

CMYK100%, 23%, 0%, 65.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer17,239

CSS custom property--colour: #004357;

Brightness & contrast

Relative luminance0.04702WCAG 2.x, 0 is black and 1 is white

Perceived brightness59.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.82:1

Contrast with white10.82:1WCAG normal text: AAA

Contrast with black1.94:1WCAG normal text: Fail

Greyscale equivalent#363636

Inverted#FFBCA8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#384158no red cones; affects about 1% of men; ΔE 13.6 from the original

Deuteranopia#2D3A57no green cones; the most common form, about 1% of men; ΔE 14.4 from the original

Tritanopia#00494Ano blue cones; rare, and affects men and women equally; ΔE 13.9 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text10.82:1WCAG large text: AAA

Contrast with black, large text1.94:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 14.6 Dim grey · ΔE 27.4 Slate grey · ΔE 29 Teal · ΔE 30.2 Steel blue · ΔE 31.2 Light slate grey · ΔE 31.8

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 14.57, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#571400

Analogous#00573F, #001857

Triadic#570043, #435700

Split complementary#570018, #574000

Tetradic#3F0057, #571400, #175700

Tints, shades & saturation

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

Lighter +40%#24CDFF

Lighter +30%#00B9F0

Lighter +20%#0092BD

Lighter +10%#006A8A

Darker −10%#001C24

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#004357

Less saturated −25%#0B3D4C

Channel breakdown

G67

B87

Red0 (0%)

Green67 (26.3%)

Blue87 (34.1%)

Hue193.79°

Saturation (HSL)100%

Lightness17.06%

Dominant channelBlue

Hex per channelR 00 · G 43 · B 57

Keep nerding

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

#004357

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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