#537EC4#537EC4

#537EC4 is a mid, moderate blue. Relative luminance 0.207; OKLCH L 59.4% C 0.118 H 259.7°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#537EC4
RGB	rgb(83, 126, 196)
HSL	hsl(217, 49%, 55%)
HSV	hsv(217, 58%, 77%)
CMYK	cmyk(57.7%, 35.7%, 0%, 23.1%)
CIE-LAB	lab(52.67, 6.23, -40.99)
CIE-LCH	lch(52.67, 41.47, 278.64°)
OKLab	oklab(59.37% -0.021 -0.116)
OKLCH	oklch(59.37% 0.118 259.7)
XYZ	xyz(20.9885, 20.7445, 55.1119)
Luminance	0.2075 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537EC4 #C49953

analogous

#53B7C4 #537EC4 #6053C4

triadic

#537EC4 #C4537E #7EC453

tetradic

#537EC4 #C453B7 #C49953 #53C460

square

#537EC4 #C453B7 #C49953 #53C460

split-complementary

#537EC4 #C46053 #B7C453

monochromatic

#284575 #3860A2 #537EC4 #81A0D4 #AEC2E3

Accessibility & contrast

On white

4.08

#537EC4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#537EC4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537EC4

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537EC4	#FFFFFF	#000000	##000000
##537EC4	1.00	4.08	5.15	5.15
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6183C7

Deuteranopia (green-blind)

#5379C3

Tritanopia (blue-blind)

#008E98

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #537ec4;
/* rgb */ color: rgb(83, 126, 196);
/* oklch */ color: oklch(59.4% 0.118 259.7);

Tailwind

colors: {
  custom: {
    50: '#8ca3d6',
    500: '#537ec4',
    950: '#000000',
  },
}

SCSS

$custom: #537ec4;
$custom-light: #8ca3d6;
$custom-dark: #000000;

JSON

{
  "hex": "#537ec4",
  "rgb": {
    "r": 83,
    "g": 126,
    "b": 196
  },
  "hsl": {
    "h": 217.168,
    "s": 48.918,
    "l": 54.706
  },
  "oklch": {
    "l": 0.59372,
    "c": 0.11788,
    "h": 259.7
  },
  "luminance": 0.20746
}

Semantic roles & 50–950 ramp

primary

#537EC4

secondary

#D1BFA2

accent

#A44FD8

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0F14

muted

#7E7E83

Preview Lab

Preview with #537EC4

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

Preview Lab → · Contrast checker → · Palette generator →