Colour

#00103F

#00103F
Blue
Dark
Nearest: Midnight blue

#00103F is a blue with RGB values 0, 16, 63 and HSL 225°, 100%, 12%. It is a dark colour, so white text on it reaches 18.3:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#00103F#00103F

HEX#00103F

RGBrgb(0, 16, 63)

RGB (0–1)0, 0.0627, 0.2471

RGB percentages0%, 6.3%, 24.7%

HSLhsl(224.8, 100%, 12.4%)

HSV / HSBhsv(224.8, 100%, 24.7%)

CMYK100%, 74.6%, 0%, 75.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,159

CSS custom property--colour: #00103F;

Brightness & contrast

Relative luminance0.00729WCAG 2.x, 0 is black and 1 is white

Perceived brightness24.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 18.33:1

Contrast with white18.33:1WCAG normal text: AAA

Contrast with black1.15:1WCAG normal text: Fail

Greyscale equivalent#101010

Inverted#FFEFC0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#001840no red cones; affects about 1% of men; ΔE 7.1 from the original

Deuteranopia#00123Eno green cones; the most common form, about 1% of men; ΔE 2.4 from the original

Tritanopia#001D25no blue cones; rare, and affects men and women equally; ΔE 32.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text18.33:1WCAG large text: AAA

Contrast with black, large text1.15:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 26.1 Dark slateblue · ΔE 28.6 Black · ΔE 35.7 Rebecca purple · ΔE 41.3 Indigo · ΔE 44.7 Dark slate grey · ΔE 45.9

Nearest named CSS colourMidnight blue (#191970)ΔE 26.13, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3F2F00

Analogous#002F3F, #10003F

Triadic#3F0010, #103F00

Split complementary#3F1000, #303F00

Tetradic#3F002F, #3F2F00, #003F10

Tints, shades & saturation

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

Lighter +40%#0C4AFF

Lighter +30%#0037D8

Lighter +20%#002AA5

Lighter +10%#001D72

Darker −10%#00030C

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#00103F

Less saturated −25%#081437

Channel breakdown

G16

B63

Red0 (0%)

Green16 (6.3%)

Blue63 (24.7%)

Hue224.76°

Saturation (HSL)100%

Lightness12.35%

Dominant channelBlue

Hex per channelR 00 · G 10 · B 3F

Keep nerding

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#00103F

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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