Colour

#003438

#003438
Cyan
Dark
Nearest: Dark slate grey

#003438 is a cyan with RGB values 0, 52, 56 and HSL 184°, 100%, 11%. It is a dark colour, so white text on it reaches 13.6:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#003438#003438

HEX#003438

RGBrgb(0, 52, 56)

RGB (0–1)0, 0.2039, 0.2196

RGB percentages0%, 20.4%, 22%

HSLhsl(184.3, 100%, 11%)

HSV / HSBhsv(184.3, 100%, 22%)

CMYK100%, 7.1%, 0%, 78%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,368

CSS custom property--colour: #003438;

Brightness & contrast

Relative luminance0.02742WCAG 2.x, 0 is black and 1 is white

Perceived brightness44.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 13.56:1

Contrast with white13.56:1WCAG normal text: AAA

Contrast with black1.55:1WCAG normal text: Fail

Greyscale equivalent#292929

Inverted#FFCBC7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#2F3138no red cones; affects about 1% of men; ΔE 15.2 from the original

Deuteranopia#272C38no green cones; the most common form, about 1% of men; ΔE 15.3 from the original

Tritanopia#003735no blue cones; rare, and affects men and women equally; ΔE 4.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text13.56:1WCAG large text: AAA

Contrast with black, large text1.55:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 13 Black · ΔE 24.7 Dim grey · ΔE 29.9 Teal · ΔE 32.8 Slate grey · ΔE 36.1 Dark cyan · ΔE 37.2

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 12.95, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#380400

Analogous#003820, #001838

Triadic#380034, #343800

Split complementary#380018, #382000

Tetradic#200038, #380400, #183800

Tints, shades & saturation

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

Lighter +40%#05EDFF

Lighter +30%#00C2D1

Lighter +20%#00939E

Lighter +10%#00636B

Darker −10%#000505

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#003438

Less saturated −25%#072E31

Channel breakdown

G52

B56

Red0 (0%)

Green52 (20.4%)

Blue56 (22%)

Hue184.29°

Saturation (HSL)100%

Lightness10.98%

Dominant channelBlue

Hex per channelR 00 · G 34 · B 38

Keep nerding

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

#003438

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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