Colour

#00102B

#00102B
Blue
Dark
Nearest: Black

#00102B is a blue with RGB values 0, 16, 43 and HSL 218°, 100%, 8%. 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

#00102B#00102B

HEX#00102B

RGBrgb(0, 16, 43)

RGB (0–1)0, 0.0627, 0.1686

RGB percentages0%, 6.3%, 16.9%

HSLhsl(217.7, 100%, 8.4%)

HSV / HSBhsv(217.7, 100%, 16.9%)

CMYK100%, 62.8%, 0%, 83.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,139

CSS custom property--colour: #00102B;

Brightness & contrast

Relative luminance0.00545WCAG 2.x, 0 is black and 1 is white

Perceived brightness19 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 18.94:1

Contrast with white18.94:1WCAG normal text: AAA

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

Greyscale equivalent#0F0F0F

Inverted#FFEFD4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#02132Cno red cones; affects about 1% of men; ΔE 1.6 from the original

Deuteranopia#000F2Ano 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 17.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text18.94:1WCAG large text: AAA

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

Named colours

Black · ΔE 20.7 Dark slate grey · ΔE 34.7 Dark slateblue · ΔE 40.6 Midnight blue · ΔE 42.1 Dim grey · ΔE 44.3 Slate grey · ΔE 49.2

Nearest named CSS colourBlack (#000000)ΔE 20.71, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2B1B00

Analogous#00252B, #06002B

Triadic#2B0010, #102B00

Split complementary#2B0600, #252B00

Tetradic#2B0025, #2B1B00, #002B06

Tints, shades & saturation

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

Lighter +40%#005CF7

Lighter +30%#0049C4

Lighter +20%#003691

Lighter +10%#00235E

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#00102B

Less saturated −25%#051126

Channel breakdown

G16

B43

Red0 (0%)

Green16 (6.3%)

Blue43 (16.9%)

Hue217.67°

Saturation (HSL)100%

Lightness8.43%

Dominant channelBlue

Hex per channelR 00 · G 10 · B 2B

Keep nerding

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#00102B

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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