Colour

#00588D

#00588D
Blue
Dark
Nearest: Steel blue

#00588D is a blue with RGB values 0, 88, 141 and HSL 203°, 100%, 28%. It is a dark colour, so white text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#00588D#00588D

HEX#00588D

RGBrgb(0, 88, 141)

RGB (0–1)0, 0.3451, 0.5529

RGB percentages0%, 34.5%, 55.3%

HSLhsl(202.6, 100%, 27.6%)

HSV / HSBhsv(202.6, 100%, 55.3%)

CMYK100%, 37.6%, 0%, 44.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer22,669

CSS custom property--colour: #00588D;

Brightness & contrast

Relative luminance0.08903WCAG 2.x, 0 is black and 1 is white

Perceived brightness82.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.55:1

Contrast with white7.55:1WCAG normal text: AAA

Contrast with black2.78:1WCAG normal text: Fail

Greyscale equivalent#494949

Inverted#FFA772

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3E5A8Fno red cones; affects about 1% of men; ΔE 8.6 from the original

Deuteranopia#2A4F8Cno green cones; the most common form, about 1% of men; ΔE 10.1 from the original

Tritanopia#00656Bno blue cones; rare, and affects men and women equally; ΔE 32.7 from the original

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

Contrast with white, large text7.55:1WCAG large text: AAA

Contrast with black, large text2.78:1WCAG large text: Fail

Named colours

Steel blue · ΔE 17.2 Dark slateblue · ΔE 28.7 Slate grey · ΔE 30.2 Cornflower blue · ΔE 31.4 Light slate grey · ΔE 31.7 Dark slate grey · ΔE 33.7

Nearest named CSS colourSteel blue (#4682B4)ΔE 17.2, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#8D3500

Analogous#008D7B, #00128D

Triadic#8D0058, #588D00

Split complementary#8D0012, #8D7B00

Tetradic#7B008D, #8D3500, #128D00

Tints, shades & saturation

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

Lighter +40%#5AC1FF

Lighter +30%#27AEFF

Lighter +20%#0098F3

Lighter +10%#0078C0

Darker −10%#00385A

Darker −20%#001827

Darker −30%#000000

Darker −40%#000000

More saturated +25%#00588D

Less saturated −25%#12547B

Channel breakdown

G88

B141

Red0 (0%)

Green88 (34.5%)

Blue141 (55.3%)

Hue202.55°

Saturation (HSL)100%

Lightness27.65%

Dominant channelBlue

Hex per channelR 00 · G 58 · B 8D

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#00588D

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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