Colour

#00348F

#00348F
Blue
Dark
Nearest: Midnight blue

#00348F is a blue with RGB values 0, 52, 143 and HSL 218°, 100%, 28%. It is a dark colour, so white text on it reaches 11.1:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#00348F#00348F

HEX#00348F

RGBrgb(0, 52, 143)

RGB (0–1)0, 0.2039, 0.5608

RGB percentages0%, 20.4%, 56.1%

HSLhsl(218.2, 100%, 28%)

HSV / HSBhsv(218.2, 100%, 56.1%)

CMYK100%, 63.6%, 0%, 43.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,455

CSS custom property--colour: #00348F;

Brightness & contrast

Relative luminance0.04439WCAG 2.x, 0 is black and 1 is white

Perceived brightness62.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.12:1

Contrast with white11.12:1WCAG normal text: AAA

Contrast with black1.89:1WCAG normal text: Fail

Greyscale equivalent#303030

Inverted#FFCB70

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#004292no red cones; affects about 1% of men; ΔE 10.9 from the original

Deuteranopia#00358Dno green cones; the most common form, about 1% of men; ΔE 2.1 from the original

Tritanopia#004C5Cno blue cones; rare, and affects men and women equally; ΔE 54.6 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text11.12:1WCAG large text: AAA

Contrast with black, large text1.89:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 12.8 Dark slateblue · ΔE 13.5 Rebecca purple · ΔE 21.5 Slate blue · ΔE 23.8 Royal blue · ΔE 25.5 Indigo · ΔE 28

Nearest named CSS colourMidnight blue (#191970)ΔE 12.79, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#8F5B00

Analogous#007B8F, #14008F

Triadic#8F0034, #348F00

Split complementary#8F1400, #7B8F00

Tetradic#8F007B, #8F5B00, #008F13

Tints, shades & saturation

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

Lighter +40%#5C97FF

Lighter +30%#2977FF

Lighter +20%#0059F5

Lighter +10%#0047C2

Darker −10%#00215C

Darker −20%#000F29

Darker −30%#000000

Darker −40%#000000

More saturated +25%#00348F

Less saturated −25%#12397D

Channel breakdown

G52

B143

Red0 (0%)

Green52 (20.4%)

Blue143 (56.1%)

Hue218.18°

Saturation (HSL)100%

Lightness28.04%

Dominant channelBlue

Hex per channelR 00 · G 34 · B 8F

Keep nerding

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#00348F

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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