Colour

#00236E

#00236E
Blue
Dark
Nearest: Midnight blue

#00236E is a blue with RGB values 0, 35, 110 and HSL 221°, 100%, 22%. It is a dark colour, so white text on it reaches 14.3:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#00236E#00236E

HEX#00236E

RGBrgb(0, 35, 110)

RGB (0–1)0, 0.1373, 0.4314

RGB percentages0%, 13.7%, 43.1%

HSLhsl(220.9, 100%, 21.6%)

HSV / HSBhsv(220.9, 100%, 43.1%)

CMYK100%, 68.2%, 0%, 56.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer9,070

CSS custom property--colour: #00236E;

Brightness & contrast

Relative luminance0.02328WCAG 2.x, 0 is black and 1 is white

Perceived brightness45.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 14.33:1

Contrast with white14.33:1WCAG normal text: AAA

Contrast with black1.47:1WCAG normal text: Fail

Greyscale equivalent#212121

Inverted#FFDC91

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#002F70no red cones; affects about 1% of men; ΔE 10 from the original

Deuteranopia#00256Dno green cones; the most common form, about 1% of men; ΔE 2.4 from the original

Tritanopia#003745no blue cones; rare, and affects men and women equally; ΔE 46.6 from the original

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

Contrast with white, large text14.33:1WCAG large text: AAA

Contrast with black, large text1.47:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 10.1 Dark slateblue · ΔE 14.8 Rebecca purple · ΔE 26 Indigo · ΔE 30.5 Navy · ΔE 31.6 Slate blue · ΔE 33.5

Nearest named CSS colourMidnight blue (#191970)ΔE 10.14, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#6E4B00

Analogous#005A6E, #14006E

Triadic#6E0023, #236E00

Split complementary#6E1400, #5A6E00

Tetradic#6E005A, #6E4B00, #006E14

Tints, shades & saturation

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

Lighter +40%#3B79FF

Lighter +30%#0857FF

Lighter +20%#0043D4

Lighter +10%#0033A1

Darker −10%#00133B

Darker −20%#000308

Darker −30%#000000

Darker −40%#000000

More saturated +25%#00236E

Less saturated −25%#0E2860

Channel breakdown

G35

B110

Red0 (0%)

Green35 (13.7%)

Blue110 (43.1%)

Hue220.91°

Saturation (HSL)100%

Lightness21.57%

Dominant channelBlue

Hex per channelR 00 · G 23 · B 6E

Keep nerding

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#00236E

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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