Colour

#00297C

#00297C
Blue
Dark
Nearest: Midnight blue

#00297C is a blue with RGB values 0, 41, 124 and HSL 220°, 100%, 24%. It is a dark colour, so white text on it reaches 13.1:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#00297C#00297C

HEX#00297C

RGBrgb(0, 41, 124)

RGB (0–1)0, 0.1608, 0.4863

RGB percentages0%, 16.1%, 48.6%

HSLhsl(220.2, 100%, 24.3%)

HSV / HSBhsv(220.2, 100%, 48.6%)

CMYK100%, 66.9%, 0%, 51.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer10,620

CSS custom property--colour: #00297C;

Brightness & contrast

Relative luminance0.03041WCAG 2.x, 0 is black and 1 is white

Perceived brightness52.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 13.06:1

Contrast with white13.06:1WCAG normal text: AAA

Contrast with black1.61:1WCAG normal text: Fail

Greyscale equivalent#262626

Inverted#FFD683

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#00367Fno red cones; affects about 1% of men; ΔE 10.2 from the original

Deuteranopia#002B7Ano green cones; the most common form, about 1% of men; ΔE 3 from the original

Tritanopia#003F4Eno blue cones; rare, and affects men and women equally; ΔE 50.8 from the original

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

Contrast with white, large text13.06:1WCAG large text: AAA

Contrast with black, large text1.61:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 9 Dark slateblue · ΔE 13.5 Rebecca purple · ΔE 23.1 Indigo · ΔE 28 Navy · ΔE 28.7 Slate blue · ΔE 28.9

Nearest named CSS colourMidnight blue (#191970)ΔE 8.98, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#7C5300

Analogous#00677C, #15007C

Triadic#7C0029, #297C00

Split complementary#7C1500, #677C00

Tetradic#7C0067, #7C5300, #007C15

Tints, shades & saturation

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

Lighter +40%#4985FF

Lighter +30%#1663FF

Lighter +20%#004BE2

Lighter +10%#003AAF

Darker −10%#001849

Darker −20%#000716

Darker −30%#000000

Darker −40%#000000

More saturated +25%#00297C

Less saturated −25%#102E6D

Channel breakdown

G41

B124

Red0 (0%)

Green41 (16.1%)

Blue124 (48.6%)

Hue220.16°

Saturation (HSL)100%

Lightness24.31%

Dominant channelBlue

Hex per channelR 00 · G 29 · B 7C

Keep nerding

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#00297C

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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