Colour

#538AA4

#538AA4
Cyan
Dark
Nearest: Light slate grey

#538AA4 is a cyan with RGB values 83, 138, 164 and HSL 199°, 33%, 48%. It is a dark colour, so black text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Light slate grey.

Colour values

#538AA4#538AA4

HEX#538AA4

RGBrgb(83, 138, 164)

RGB (0–1)0.3255, 0.5412, 0.6431

RGB percentages32.5%, 54.1%, 64.3%

HSLhsl(199.3, 32.8%, 48.4%)

HSV / HSBhsv(199.3, 49.4%, 64.3%)

CMYK49.4%, 15.9%, 0%, 35.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,474,980

CSS custom property--colour: #538AA4;

Brightness & contrast

Relative luminance0.22696WCAG 2.x, 0 is black and 1 is white

Perceived brightness127.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.54:1

Contrast with white3.79:1WCAG normal text: Fail

Contrast with black5.54:1WCAG normal text: AA

Greyscale equivalent#808080

Inverted#AC755B

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#7D88A5no red cones; affects about 1% of men; ΔE 13.9 from the original

Deuteranopia#717FA4no green cones; the most common form, about 1% of men; ΔE 14.8 from the original

Tritanopia#2A9192no blue cones; rare, and affects men and women equally; ΔE 20 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text3.79:1WCAG large text: AA

Contrast with black, large text5.54:1WCAG large text: AAA

Named colours

Light slate grey · ΔE 12 Slate grey · ΔE 12.5 Steel blue · ΔE 14.6 Cadetblue · ΔE 16.2 Teal · ΔE 22.1 Gray · ΔE 22.2

Nearest named CSS colourLight slate grey (#778899)ΔE 11.99, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#A46D53

Analogous#53A495, #5362A4

Triadic#A4538A, #8AA453

Split complementary#A45362, #A49553

Tetradic#9553A4, #A46D53, #62A453

Tints, shades & saturation

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

Lighter +40%#D8E5EB

Lighter +30%#B6CEDA

Lighter +20%#94B8C9

Lighter +10%#72A1B8

Darker −10%#426E82

Darker −20%#315160

Darker −30%#20353E

Darker −40%#0E181D

More saturated +25%#3495C3

Less saturated −25%#727F85

Channel breakdown

R83

G138

B164

Red83 (32.5%)

Green138 (54.1%)

Blue164 (64.3%)

Hue199.26°

Saturation (HSL)32.79%

Lightness48.43%

Dominant channelBlue

Hex per channelR 53 · G 8A · B A4

Keep nerding

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

#538AA4

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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