#539FBF#539FBF

#539FBF is a light, moderate cyan. Relative luminance 0.304; OKLCH L 66.6% C 0.089 H 227.8°. Best body text is #000000 at 7.08:1 contrast (WCAG AA passes).

Color values

HEX	#539FBF
RGB	rgb(83, 159, 191)
HSL	hsl(198, 46%, 54%)
HSV	hsv(198, 57%, 75%)
CMYK	cmyk(56.5%, 16.8%, 0%, 25.1%)
CIE-LAB	lab(61.99, -14.26, -23.65)
CIE-LCH	lch(61.99, 27.62, 238.91°)
OKLab	oklab(66.65% -0.0597 -0.0658)
OKLCH	oklch(66.65% 0.089 227.8)
XYZ	xyz(25.3658, 30.3945, 53.8101)
Luminance	0.3040 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#539FBF #BF7353

analogous

#53BFA9 #539FBF #5369BF

triadic

#539FBF #BF539F #9FBF53

tetradic

#539FBF #A953BF #BF7353 #69BF53

square

#539FBF #A953BF #BF7353 #69BF53

split-complementary

#539FBF #BF5369 #BFA953

monochromatic

#295A6E #3A7E9B #539FBF #80B8D0 #ACD1E0

Accessibility & contrast

On white

2.97

#539FBF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.08

#539FBF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #539FBF

7.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##539FBF	#FFFFFF	#000000	##000000
##539FBF	1.00	2.97	7.08	7.08
#FFFFFF	2.97	1.00	21.00	21.00
#000000	7.08	21.00	1.00	1.00
##000000	7.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E9CC1

Deuteranopia (green-blind)

#7F91BF

Tritanopia (blue-blind)

#00A8A9

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #539fbf;
/* rgb */ color: rgb(83, 159, 191);
/* oklch */ color: oklch(66.6% 0.089 227.8);

Tailwind

colors: {
  custom: {
    50: '#8cbbd2',
    500: '#539fbf',
    950: '#000000',
  },
}

SCSS

$custom: #539fbf;
$custom-light: #8cbbd2;
$custom-dark: #000000;

JSON

{
  "hex": "#539fbf",
  "rgb": {
    "r": 83,
    "g": 159,
    "b": 191
  },
  "hsl": {
    "h": 197.778,
    "s": 45.763,
    "l": 53.725
  },
  "oklch": {
    "l": 0.66649,
    "c": 0.08887,
    "h": 227.8
  },
  "luminance": 0.30397
}

Semantic roles & 50–950 ramp

primary

#539FBF

secondary

#CEADA0

accent

#7952D5

background

#F9FBFC

surface

#F1F6F9

border

#CBD0D2

text

#0D1114

muted

#7E8082

Preview Lab

Preview with #539FBF

Body copy rendered with the generated semantic roles for this colour.

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