#537DC8#537DC8

#537DC8 is a mid, vivid blue. Relative luminance 0.207; OKLCH L 59.4% C 0.124 H 261.2°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#537DC8
RGB	rgb(83, 125, 200)
HSL	hsl(218, 52%, 55%)
HSV	hsv(218, 59%, 78%)
CMYK	cmyk(58.5%, 37.5%, 0%, 21.6%)
CIE-LAB	lab(52.59, 8.16, -43.40)
CIE-LCH	lch(52.59, 44.16, 280.65°)
OKLab	oklab(59.38% -0.019 -0.123)
OKLCH	oklch(59.38% 0.124 261.2)
XYZ	xyz(21.3226, 20.6746, 57.4993)
Luminance	0.2068 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537DC8 #C89E53

analogous

#53B7C8 #537DC8 #6453C8

triadic

#537DC8 #C8537D #7DC853

tetradic

#537DC8 #C853B7 #C89E53 #53C864

square

#537DC8 #C853B7 #C89E53 #53C864

split-complementary

#537DC8 #C86453 #B7C853

monochromatic

#27457A #365FA8 #537DC8 #81A0D7 #B0C3E6

Accessibility & contrast

On white

4.09

#537DC8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.14

#537DC8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537DC8

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537DC8	#FFFFFF	#000000	##000000
##537DC8	1.00	4.09	5.14	5.14
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.14	21.00	1.00	1.00
##000000	5.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E83CB

Deuteranopia (green-blind)

#4E79C6

Tritanopia (blue-blind)

#008E99

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #537dc8;
/* rgb */ color: rgb(83, 125, 200);
/* oklch */ color: oklch(59.4% 0.124 261.2);

Tailwind

colors: {
  custom: {
    50: '#8ca2d9',
    500: '#537dc8',
    950: '#000000',
  },
}

SCSS

$custom: #537dc8;
$custom-light: #8ca2d9;
$custom-dark: #000000;

JSON

{
  "hex": "#537dc8",
  "rgb": {
    "r": 83,
    "g": 125,
    "b": 200
  },
  "hsl": {
    "h": 218.462,
    "s": 51.542,
    "l": 55.49
  },
  "oklch": {
    "l": 0.59379,
    "c": 0.12447,
    "h": 261.2
  },
  "luminance": 0.20676
}

Semantic roles & 50–950 ramp

primary

#537DC8

secondary

#D4C2A3

accent

#A84DDB

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0F14

muted

#7E7E83

Preview Lab

Preview with #537DC8

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

Preview Lab → · Contrast checker → · Palette generator →