#539FDD#539FDD

#539FDD is a light, moderate cyan. Relative luminance 0.319; OKLCH L 68.0% C 0.119 H 245.4°. Best body text is #000000 at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#539FDD
RGB	rgb(83, 159, 221)
HSL	hsl(207, 67%, 60%)
HSV	hsv(207, 62%, 87%)
CMYK	cmyk(62.4%, 28.1%, 0%, 13.3%)
CIE-LAB	lab(63.22, -4.82, -38.47)
CIE-LCH	lch(63.22, 38.77, 262.86°)
OKLab	oklab(68.03% -0.0495 -0.1084)
OKLCH	oklch(68.03% 0.119 245.4)
XYZ	xyz(29.0117, 31.8529, 73.0119)
Luminance	0.3186 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#539FDD #DD9153

analogous

#53DDD6 #539FDD #535ADD

triadic

#539FDD #DD539F #9FDD53

tetradic

#539FDD #D653DD #DD9153 #5ADD53

square

#539FDD #D653DD #DD9153 #5ADD53

split-complementary

#539FDD #DD535A #DDD653

monochromatic

#1E6198 #2882CB #539FDD #86BCE7 #B9D8F1

Accessibility & contrast

On white

2.85

#539FDD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.37

#539FDD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #539FDD

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##539FDD	#FFFFFF	#000000	##000000
##539FDD	1.00	2.85	7.37	7.37
#FFFFFF	2.85	1.00	21.00	21.00
#000000	7.37	21.00	1.00	1.00
##000000	7.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#84A1E0

Deuteranopia (green-blind)

#7193DC

Tritanopia (blue-blind)

#00AEB5

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #539fdd;
/* rgb */ color: rgb(83, 159, 221);
/* oklch */ color: oklch(68.0% 0.119 245.4);

Tailwind

colors: {
  custom: {
    50: '#8fbbe8',
    500: '#539fdd',
    950: '#000000',
  },
}

SCSS

$custom: #539fdd;
$custom-light: #8fbbe8;
$custom-dark: #000000;

JSON

{
  "hex": "#539fdd",
  "rgb": {
    "r": 83,
    "g": 159,
    "b": 221
  },
  "hsl": {
    "h": 206.957,
    "s": 66.99,
    "l": 59.608
  },
  "oklch": {
    "l": 0.68028,
    "c": 0.11913,
    "h": 245.4
  },
  "luminance": 0.31856
}

Semantic roles & 50–950 ramp

primary

#539FDD

secondary

#E1C3AB

accent

#8B3EEA

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #539FDD

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

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