Colour

#00102C

#00102C
Blue
Dark
Nearest: Black

#00102C is a blue with RGB values 0, 16, 44 and HSL 218°, 100%, 9%. It is a dark colour, so white text on it reaches 18.9:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#00102C#00102C

HEX#00102C

RGBrgb(0, 16, 44)

RGB (0–1)0, 0.0627, 0.1725

RGB percentages0%, 6.3%, 17.3%

HSLhsl(218.2, 100%, 8.6%)

HSV / HSBhsv(218.2, 100%, 17.3%)

CMYK100%, 63.6%, 0%, 82.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,140

CSS custom property--colour: #00102C;

Brightness & contrast

Relative luminance0.00552WCAG 2.x, 0 is black and 1 is white

Perceived brightness19.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 18.91:1

Contrast with white18.91:1WCAG normal text: AAA

Contrast with black1.11:1WCAG normal text: Fail

Greyscale equivalent#0F0F0F

Inverted#FFEFD3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#01132Dno red cones; affects about 1% of men; ΔE 1.6 from the original

Deuteranopia#000F2Bno green cones; the most common form, about 1% of men; ΔE 0.4 from the original

Tritanopia#00171Bno blue cones; rare, and affects men and women equally; ΔE 18.5 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text18.91:1WCAG large text: AAA

Contrast with black, large text1.11:1WCAG large text: Fail

Named colours

Black · ΔE 21.4 Dark slate grey · ΔE 35.1 Dark slateblue · ΔE 40 Midnight blue · ΔE 41.3 Dim grey · ΔE 44.6 Slate grey · ΔE 49.3

Nearest named CSS colourBlack (#000000)ΔE 21.44, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2C1C00

Analogous#00262C, #06002C

Triadic#2C0010, #102C00

Split complementary#2C0600, #262C00

Tetradic#2C0026, #2C1C00, #002C06

Tints, shades & saturation

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

Lighter +40%#005AF8

Lighter +30%#0048C5

Lighter +20%#003592

Lighter +10%#00235F

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#00102C

Less saturated −25%#061127

Channel breakdown

G16

B44

Red0 (0%)

Green16 (6.3%)

Blue44 (17.3%)

Hue218.18°

Saturation (HSL)100%

Lightness8.63%

Dominant channelBlue

Hex per channelR 00 · G 10 · B 2C

Keep nerding

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#00102C

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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