Colour

#00233A

#00233A
Blue
Dark
Nearest: Black

#00233A is a blue with RGB values 0, 35, 58 and HSL 204°, 100%, 11%. It is a dark colour, so white text on it reaches 16.1:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#00233A#00233A

HEX#00233A

RGBrgb(0, 35, 58)

RGB (0–1)0, 0.1373, 0.2275

RGB percentages0%, 13.7%, 22.7%

HSLhsl(203.8, 100%, 11.4%)

HSV / HSBhsv(203.8, 100%, 22.7%)

CMYK100%, 39.7%, 0%, 77.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer9,018

CSS custom property--colour: #00233A;

Brightness & contrast

Relative luminance0.01508WCAG 2.x, 0 is black and 1 is white

Perceived brightness33.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 16.14:1

Contrast with white16.14:1WCAG normal text: AAA

Contrast with black1.3:1WCAG normal text: Fail

Greyscale equivalent#1D1D1D

Inverted#FFDCC5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#18243Bno red cones; affects about 1% of men; ΔE 5.4 from the original

Deuteranopia#0F1E3Ano green cones; the most common form, about 1% of men; ΔE 7 from the original

Tritanopia#00292Bno blue cones; rare, and affects men and women equally; ΔE 16.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text16.14:1WCAG large text: AAA

Contrast with black, large text1.3:1WCAG large text: Fail

Named colours

Black · ΔE 22.3 Dark slate grey · ΔE 25.5 Dim grey · ΔE 36.7 Slate grey · ΔE 40.9 Dark slateblue · ΔE 41 Steel blue · ΔE 42.2

Nearest named CSS colourBlack (#000000)ΔE 22.33, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3A1700

Analogous#003A34, #00063A

Triadic#3A0023, #233A00

Split complementary#3A0006, #3A3400

Tetradic#34003A, #3A1700, #063A00

Tints, shades & saturation

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

Lighter +40%#079DFF

Lighter +30%#007FD3

Lighter +20%#0061A0

Lighter +10%#00426D

Darker −10%#000407

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#00233A

Less saturated −25%#072233

Channel breakdown

G35

B58

Red0 (0%)

Green35 (13.7%)

Blue58 (22.7%)

Hue203.79°

Saturation (HSL)100%

Lightness11.37%

Dominant channelBlue

Hex per channelR 00 · G 23 · B 3A

Keep nerding

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#00233A

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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