#539FDF#539FDF

#539FDF is a light, vivid cyan. Relative luminance 0.320; OKLCH L 68.1% C 0.121 H 246.3°. Best body text is #000000 at 7.39:1 contrast (WCAG AA passes).

Color values

HEX	#539FDF
RGB	rgb(83, 159, 223)
HSL	hsl(207, 69%, 60%)
HSV	hsv(207, 63%, 87%)
CMYK	cmyk(62.8%, 28.7%, 0%, 12.5%)
CIE-LAB	lab(63.31, -4.17, -39.43)
CIE-LCH	lch(63.31, 39.65, 263.97°)
OKLab	oklab(68.13% -0.0489 -0.1112)
OKLCH	oklch(68.13% 0.121 246.3)
XYZ	xyz(29.2797, 31.9601, 74.4236)
Luminance	0.3196 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#539FDF #DF9353

analogous

#53DFD9 #539FDF #5359DF

triadic

#539FDF #DF539F #9FDF53

tetradic

#539FDF #D953DF #DF9353 #59DF53

square

#539FDF #D953DF #DF9353 #59DF53

split-complementary

#539FDF #DF5359 #DFD953

monochromatic

#1D619B #2682CE #539FDF #87BCE9 #BAD9F2

Accessibility & contrast

On white

2.84

#539FDF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.39

#539FDF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #539FDF

7.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##539FDF	#FFFFFF	#000000	##000000
##539FDF	1.00	2.84	7.39	7.39
#FFFFFF	2.84	1.00	21.00	21.00
#000000	7.39	21.00	1.00	1.00
##000000	7.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#83A1E2

Deuteranopia (green-blind)

#7093DE

Tritanopia (blue-blind)

#00AEB5

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #539fdf;
/* rgb */ color: rgb(83, 159, 223);
/* oklch */ color: oklch(68.1% 0.121 246.3);

Tailwind

colors: {
  custom: {
    50: '#90bbe9',
    500: '#539fdf',
    950: '#000000',
  },
}

SCSS

$custom: #539fdf;
$custom-light: #90bbe9;
$custom-dark: #000000;

JSON

{
  "hex": "#539fdf",
  "rgb": {
    "r": 83,
    "g": 159,
    "b": 223
  },
  "hsl": {
    "h": 207.429,
    "s": 68.627,
    "l": 60
  },
  "oklch": {
    "l": 0.68127,
    "c": 0.12145,
    "h": 246.3
  },
  "luminance": 0.31963
}

Semantic roles & 50–950 ramp

primary

#539FDF

secondary

#E2C5AC

accent

#8C3CEB

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #539FDF

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

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