#537CC3#537CC3

#537CC3 is a mid, moderate blue. Relative luminance 0.202; OKLCH L 58.9% C 0.119 H 260.8°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#537CC3
RGB	rgb(83, 124, 195)
HSL	hsl(218, 48%, 55%)
HSV	hsv(218, 57%, 76%)
CMYK	cmyk(57.4%, 36.4%, 0%, 23.5%)
CIE-LAB	lab(52.05, 7.11, -41.39)
CIE-LCH	lch(52.05, 42.00, 279.74°)
OKLab	oklab(58.88% -0.019 -0.1172)
OKLCH	oklch(58.88% 0.119 260.8)
XYZ	xyz(20.6219, 20.1927, 54.4300)
Luminance	0.2019 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537CC3 #C39A53

analogous

#53B4C3 #537CC3 #6253C3

triadic

#537CC3 #C3537C #7CC353

tetradic

#537CC3 #C353B4 #C39A53 #53C362

square

#537CC3 #C353B4 #C39A53 #53C362

split-complementary

#537CC3 #C36253 #B4C353

monochromatic

#284473 #385EA1 #537CC3 #809FD3 #AEC1E3

Accessibility & contrast

On white

4.17

#537CC3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.04

#537CC3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537CC3

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537CC3	#FFFFFF	#000000	##000000
##537CC3	1.00	4.17	5.04	5.04
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.04	21.00	1.00	1.00
##000000	5.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F82C6

Deuteranopia (green-blind)

#5077C2

Tritanopia (blue-blind)

#008C96

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #537cc3;
/* rgb */ color: rgb(83, 124, 195);
/* oklch */ color: oklch(58.9% 0.119 260.8);

Tailwind

colors: {
  custom: {
    50: '#8ca1d5',
    500: '#537cc3',
    950: '#000000',
  },
}

SCSS

$custom: #537cc3;
$custom-light: #8ca1d5;
$custom-dark: #000000;

JSON

{
  "hex": "#537cc3",
  "rgb": {
    "r": 83,
    "g": 124,
    "b": 195
  },
  "hsl": {
    "h": 218.036,
    "s": 48.276,
    "l": 54.51
  },
  "oklch": {
    "l": 0.58878,
    "c": 0.11872,
    "h": 260.8
  },
  "luminance": 0.20194
}

Semantic roles & 50–950 ramp

primary

#537CC3

secondary

#D1BFA1

accent

#A650D8

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0E14

muted

#7E7E83

Preview Lab

Preview with #537CC3

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

Preview Lab → · Contrast checker → · Palette generator →