#537DC3#537DC3

#537DC3 is a mid, moderate blue. Relative luminance 0.204; OKLCH L 59.1% C 0.118 H 260.1°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#537DC3
RGB	rgb(83, 125, 195)
HSL	hsl(218, 48%, 55%)
HSV	hsv(218, 57%, 76%)
CMYK	cmyk(57.4%, 35.9%, 0%, 23.5%)
CIE-LAB	lab(52.34, 6.50, -40.95)
CIE-LCH	lch(52.34, 41.46, 279.02°)
OKLab	oklab(59.1% -0.0201 -0.1159)
OKLCH	oklch(59.1% 0.118 260.1)
XYZ	xyz(20.7478, 20.4446, 54.4720)
Luminance	0.2045 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537DC3 #C39953

analogous

#53B5C3 #537DC3 #6153C3

triadic

#537DC3 #C3537D #7DC353

tetradic

#537DC3 #C353B5 #C39953 #53C361

square

#537DC3 #C353B5 #C39953 #53C361

split-complementary

#537DC3 #C36153 #B5C353

monochromatic

#284473 #385FA1 #537DC3 #809FD3 #AEC2E3

Accessibility & contrast

On white

4.13

#537DC3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#537DC3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537DC3

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537DC3	#FFFFFF	#000000	##000000
##537DC3	1.00	4.13	5.09	5.09
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6083C6

Deuteranopia (green-blind)

#5278C2

Tritanopia (blue-blind)

#008D97

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #537dc3;
/* rgb */ color: rgb(83, 125, 195);
/* oklch */ color: oklch(59.1% 0.118 260.1);

Tailwind

colors: {
  custom: {
    50: '#8ca2d5',
    500: '#537dc3',
    950: '#000000',
  },
}

SCSS

$custom: #537dc3;
$custom-light: #8ca2d5;
$custom-dark: #000000;

JSON

{
  "hex": "#537dc3",
  "rgb": {
    "r": 83,
    "g": 125,
    "b": 195
  },
  "hsl": {
    "h": 217.5,
    "s": 48.276,
    "l": 54.51
  },
  "oklch": {
    "l": 0.59097,
    "c": 0.11761,
    "h": 260.1
  },
  "luminance": 0.20446
}

Semantic roles & 50–950 ramp

primary

#537DC3

secondary

#D1BFA1

accent

#A550D8

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0F14

muted

#7E7E83

Preview Lab

Preview with #537DC3

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

Preview Lab → · Contrast checker → · Palette generator →