#537DC4#537DC4

#537DC4 is a mid, moderate blue. Relative luminance 0.205; OKLCH L 59.2% C 0.119 H 260.4°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#537DC4
RGB	rgb(83, 125, 196)
HSL	hsl(218, 49%, 55%)
HSV	hsv(218, 58%, 77%)
CMYK	cmyk(57.7%, 36.2%, 0%, 23.1%)
CIE-LAB	lab(52.39, 6.83, -41.44)
CIE-LCH	lch(52.39, 42.00, 279.36°)
OKLab	oklab(59.15% -0.0199 -0.1173)
OKLCH	oklch(59.15% 0.119 260.4)
XYZ	xyz(20.8612, 20.4900, 55.0695)
Luminance	0.2049 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537DC4 #C49A53

analogous

#53B6C4 #537DC4 #6153C4

triadic

#537DC4 #C4537D #7DC453

tetradic

#537DC4 #C453B6 #C49A53 #53C461

square

#537DC4 #C453B6 #C49A53 #53C461

split-complementary

#537DC4 #C46153 #B6C453

monochromatic

#284475 #385FA2 #537DC4 #819FD4 #AEC2E3

Accessibility & contrast

On white

4.12

#537DC4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#537DC4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537DC4

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537DC4	#FFFFFF	#000000	##000000
##537DC4	1.00	4.12	5.10	5.10
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6083C7

Deuteranopia (green-blind)

#5178C3

Tritanopia (blue-blind)

#008D97

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #537dc4;
/* rgb */ color: rgb(83, 125, 196);
/* oklch */ color: oklch(59.2% 0.119 260.4);

Tailwind

colors: {
  custom: {
    50: '#8ca2d6',
    500: '#537dc4',
    950: '#000000',
  },
}

SCSS

$custom: #537dc4;
$custom-light: #8ca2d6;
$custom-dark: #000000;

JSON

{
  "hex": "#537dc4",
  "rgb": {
    "r": 83,
    "g": 125,
    "b": 196
  },
  "hsl": {
    "h": 217.699,
    "s": 48.918,
    "l": 54.706
  },
  "oklch": {
    "l": 0.59153,
    "c": 0.11898,
    "h": 260.4
  },
  "luminance": 0.20492
}

Semantic roles & 50–950 ramp

primary

#537DC4

secondary

#D1C0A2

accent

#A54FD8

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0F14

muted

#7E7E83

Preview Lab

Preview with #537DC4

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

Preview Lab → · Contrast checker → · Palette generator →