Colour

#00235E

#00235E
Blue
Dark
Nearest: Dark slateblue

#00235E is a blue with RGB values 0, 35, 94 and HSL 218°, 100%, 18%. It is a dark colour, so white text on it reaches 15:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#00235E#00235E

HEX#00235E

RGBrgb(0, 35, 94)

RGB (0–1)0, 0.1373, 0.3686

RGB percentages0%, 13.7%, 36.9%

HSLhsl(217.7, 100%, 18.4%)

HSV / HSBhsv(217.7, 100%, 36.9%)

CMYK100%, 62.8%, 0%, 63.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer9,054

CSS custom property--colour: #00235E;

Brightness & contrast

Relative luminance0.0201WCAG 2.x, 0 is black and 1 is white

Perceived brightness41.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 14.98:1

Contrast with white14.98:1WCAG normal text: AAA

Contrast with black1.4:1WCAG normal text: Fail

Greyscale equivalent#202020

Inverted#FFDCA1

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#002B60no red cones; affects about 1% of men; ΔE 6.6 from the original

Deuteranopia#00235Dno green cones; the most common form, about 1% of men; ΔE 0.7 from the original

Tritanopia#00323Cno blue cones; rare, and affects men and women equally; ΔE 38.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text14.98:1WCAG large text: AAA

Contrast with black, large text1.4:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 19.2 Midnight blue · ΔE 20.1 Rebecca purple · ΔE 33.9 Indigo · ΔE 39.8 Slate blue · ΔE 41.3 Navy · ΔE 41.9

Nearest named CSS colourDark slateblue (#483D8B)ΔE 19.18, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#5E3B00

Analogous#00525E, #0C005E

Triadic#5E0023, #235E00

Split complementary#5E0C00, #525E00

Tetradic#5E0052, #5E3B00, #005E0C

Tints, shades & saturation

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

Lighter +40%#2B7AFF

Lighter +30%#005CF7

Lighter +20%#0049C4

Lighter +10%#003691

Darker −10%#00102B

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#00235E

Less saturated −25%#0C2652

Channel breakdown

G35

B94

Red0 (0%)

Green35 (13.7%)

Blue94 (36.9%)

Hue217.66°

Saturation (HSL)100%

Lightness18.43%

Dominant channelBlue

Hex per channelR 00 · G 23 · B 5E

Keep nerding

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#00235E

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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