Colour

#00273A

#00273A
Cyan
Dark
Nearest: Black

#00273A is a cyan with RGB values 0, 39, 58 and HSL 200°, 100%, 11%. It is a dark colour, so white text on it reaches 15.5:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#00273A#00273A

HEX#00273A

RGBrgb(0, 39, 58)

RGB (0–1)0, 0.1529, 0.2275

RGB percentages0%, 15.3%, 22.7%

HSLhsl(199.7, 100%, 11.4%)

HSV / HSBhsv(199.7, 100%, 22.7%)

CMYK100%, 32.8%, 0%, 77.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer10,042

CSS custom property--colour: #00273A;

Brightness & contrast

Relative luminance0.01757WCAG 2.x, 0 is black and 1 is white

Perceived brightness35.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 15.54:1

Contrast with white15.54:1WCAG normal text: AAA

Contrast with black1.35:1WCAG normal text: Fail

Greyscale equivalent#202020

Inverted#FFD8C5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1E273Bno red cones; affects about 1% of men; ΔE 7.7 from the original

Deuteranopia#16223Ano green cones; the most common form, about 1% of men; ΔE 8.4 from the original

Tritanopia#002C2Eno blue cones; rare, and affects men and women equally; ΔE 13.5 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text15.54:1WCAG large text: AAA

Contrast with black, large text1.35:1WCAG large text: Fail

Named colours

Black · ΔE 21.9 Dark slate grey · ΔE 22.1 Dim grey · ΔE 34.5 Slate grey · ΔE 39.1 Steel blue · ΔE 41.6 Light slate grey · ΔE 42.1

Nearest named CSS colourBlack (#000000)ΔE 21.85, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3A1300

Analogous#003A30, #000A3A

Triadic#3A0027, #273A00

Split complementary#3A000A, #3A3000

Tetradic#30003A, #3A1300, #0A3A00

Tints, shades & saturation

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

Lighter +40%#07AEFF

Lighter +30%#008ED3

Lighter +20%#006CA0

Lighter +10%#00496D

Darker −10%#000507

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#00273A

Less saturated −25%#072533

Channel breakdown

G39

B58

Red0 (0%)

Green39 (15.3%)

Blue58 (22.7%)

Hue199.66°

Saturation (HSL)100%

Lightness11.37%

Dominant channelBlue

Hex per channelR 00 · G 27 · B 3A

Keep nerding

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

#00273A

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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