Recognised as Colour

#00233C

#00233C
Blue
Dark
Nearest: Black

#00233C is a blue with RGB values 0, 35, 60 and HSL 205°, 100%, 12%. 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

#00233C#00233C

HEX#00233C

RGBrgb(0, 35, 60)

RGB (0–1)0, 0.1373, 0.2353

RGB percentages0%, 13.7%, 23.5%

HSLhsl(205, 100%, 11.8%)

HSV / HSBhsv(205, 100%, 23.5%)

CMYK100%, 41.7%, 0%, 76.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer9,020

CSS custom property--colour: #00233C;

Brightness & contrast

Relative luminance0.01528WCAG 2.x, 0 is black and 1 is white

Perceived brightness33.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 16.08:1

Contrast with white16.08:1WCAG normal text: AAA

Contrast with black1.31:1WCAG normal text: Fail

Greyscale equivalent#1D1D1D

Inverted#FFDCC3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#17243Dno red cones; affects about 1% of men; ΔE 5 from the original

Deuteranopia#0D1F3Cno green cones; the most common form, about 1% of men; ΔE 5.6 from the original

Tritanopia#00292Cno blue cones; rare, and affects men and women equally; ΔE 17.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text16.08:1WCAG large text: AAA

Contrast with black, large text1.31:1WCAG large text: Fail

Named colours

Black · ΔE 23.3 Dark slate grey · ΔE 26.5 Dim grey · ΔE 37.2 Dark slateblue · ΔE 39.6 Slate grey · ΔE 41 Steel blue · ΔE 41.8

Nearest named CSS colourBlack (#000000)ΔE 23.33, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3C1900

Analogous#003C37, #00053C

Triadic#3C0023, #233C00

Split complementary#3C0005, #3C3700

Tetradic#37003C, #3C1900, #053C00

Tints, shades & saturation

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

Lighter +40%#0999FF

Lighter +30%#007CD5

Lighter +20%#005FA2

Lighter +10%#00416F

Darker −10%#000509

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#00233C

Less saturated −25%#082234

Channel breakdown

G35

B60

Red0 (0%)

Green35 (13.7%)

Blue60 (23.5%)

Hue205°

Saturation (HSL)100%

Lightness11.76%

Dominant channelBlue

Hex per channelR 00 · G 23 · B 3C

Keep nerding

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

#00233C

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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