#539BF1#539BF1

#539BF1 is a light, vivid cyan. Relative luminance 0.316; OKLCH L 68.2% C 0.147 H 254.2°. Best body text is #000000 at 7.33:1 contrast (WCAG AA passes).

Color values

HEX	#539BF1
RGB	rgb(83, 155, 241)
HSL	hsl(213, 85%, 64%)
HSV	hsv(213, 66%, 95%)
CMYK	cmyk(65.6%, 35.7%, 0%, 5.5%)
CIE-LAB	lab(63.04, 4.10, -49.79)
CIE-LCH	lch(63.04, 49.96, 274.70°)
OKLab	oklab(68.19% -0.04 -0.1414)
OKLCH	oklch(68.19% 0.147 254.2)
XYZ	xyz(31.1600, 31.6294, 87.6650)
Luminance	0.3163 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#539BF1 #F1A953

analogous

#53EAF1 #539BF1 #5A53F1

triadic

#539BF1 #F1539B #9BF153

tetradic

#539BF1 #F153EA #F1A953 #53F15A

square

#539BF1 #F153EA #F1A953 #53F15A

split-complementary

#539BF1 #F15A53 #EAF153

monochromatic

#0F5DBA #1A7AEC #539BF1 #8CBCF6 #C4DDFA

Accessibility & contrast

On white

2.87

#539BF1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.33

#539BF1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #539BF1

7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##539BF1	#FFFFFF	#000000	##000000
##539BF1	1.00	2.87	7.33	7.33
#FFFFFF	2.87	1.00	21.00	21.00
#000000	7.33	21.00	1.00	1.00
##000000	7.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#75A1F5

Deuteranopia (green-blind)

#5F92EF

Tritanopia (blue-blind)

#00AFBB

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #539bf1;
/* rgb */ color: rgb(83, 155, 241);
/* oklch */ color: oklch(68.2% 0.147 254.2);

Tailwind

colors: {
  custom: {
    50: '#92b8f6',
    500: '#539bf1',
    950: '#000000',
  },
}

SCSS

$custom: #539bf1;
$custom-light: #92b8f6;
$custom-dark: #000000;

JSON

{
  "hex": "#539bf1",
  "rgb": {
    "r": 83,
    "g": 155,
    "b": 241
  },
  "hsl": {
    "h": 212.658,
    "s": 84.946,
    "l": 63.529
  },
  "oklch": {
    "l": 0.6819,
    "c": 0.14692,
    "h": 254.2
  },
  "luminance": 0.31633
}

Semantic roles & 50–950 ramp

primary

#539BF1

secondary

#ECD2B4

accent

#7D04E1

background

#F9FBFF

surface

#F2F6FE

border

#CCD0D6

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #539BF1

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

Preview Lab → · Contrast checker → · Palette generator →