Colour

#00102A

#00102A
Blue
Dark
Nearest: Black

#00102A is a blue with RGB values 0, 16, 42 and HSL 217°, 100%, 8%. It is a dark colour, so white text on it reaches 19:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#00102A#00102A

HEX#00102A

RGBrgb(0, 16, 42)

RGB (0–1)0, 0.0627, 0.1647

RGB percentages0%, 6.3%, 16.5%

HSLhsl(217.1, 100%, 8.2%)

HSV / HSBhsv(217.1, 100%, 16.5%)

CMYK100%, 61.9%, 0%, 83.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,138

CSS custom property--colour: #00102A;

Brightness & contrast

Relative luminance0.00538WCAG 2.x, 0 is black and 1 is white

Perceived brightness18.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 18.96:1

Contrast with white18.96:1WCAG normal text: AAA

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

Greyscale equivalent#0E0E0E

Inverted#FFEFD5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

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

Deuteranopia#000F29no green cones; the most common form, about 1% of men; ΔE 0.4 from the original

Tritanopia#00161Ano blue cones; rare, and affects men and women equally; ΔE 16.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text18.96:1WCAG large text: AAA

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

Named colours

Black · ΔE 20 Dark slate grey · ΔE 34.2 Dark slateblue · ΔE 41.3 Midnight blue · ΔE 42.8 Dim grey · ΔE 44.1 Slate grey · ΔE 49.1

Nearest named CSS colourBlack (#000000)ΔE 19.99, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2A1A00

Analogous#00252A, #05002A

Triadic#2A0010, #102A00

Split complementary#2A0500, #252A00

Tetradic#2A0025, #2A1A00, #002A05

Tints, shades & saturation

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

Lighter +40%#005EF6

Lighter +30%#004AC3

Lighter +20%#003790

Lighter +10%#00235D

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#00102A

Less saturated −25%#051125

Channel breakdown

G16

B42

Red0 (0%)

Green16 (6.3%)

Blue42 (16.5%)

Hue217.14°

Saturation (HSL)100%

Lightness8.24%

Dominant channelBlue

Hex per channelR 00 · G 10 · B 2A

Keep nerding

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#00102A

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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