#537DC7#537DC7

#537DC7 is a mid, vivid blue. Relative luminance 0.206; OKLCH L 59.3% C 0.123 H 261.0°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#537DC7
RGB	rgb(83, 125, 199)
HSL	hsl(218, 51%, 55%)
HSV	hsv(218, 58%, 78%)
CMYK	cmyk(58.3%, 37.2%, 0%, 22%)
CIE-LAB	lab(52.54, 7.83, -42.91)
CIE-LCH	lch(52.54, 43.62, 280.34°)
OKLab	oklab(59.32% -0.0192 -0.1216)
OKLCH	oklch(59.32% 0.123 261)
XYZ	xyz(21.2061, 20.6280, 56.8858)
Luminance	0.2063 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537DC7 #C79D53

analogous

#53B7C7 #537DC7 #6353C7

triadic

#537DC7 #C7537D #7DC753

tetradic

#537DC7 #C753B7 #C79D53 #53C763

square

#537DC7 #C753B7 #C79D53 #53C763

split-complementary

#537DC7 #C76353 #B7C753

monochromatic

#274578 #365FA7 #537DC7 #81A0D6 #AFC3E5

Accessibility & contrast

On white

4.10

#537DC7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.13

#537DC7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537DC7

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537DC7	#FFFFFF	#000000	##000000
##537DC7	1.00	4.10	5.13	5.13
#FFFFFF	4.10	1.00	21.00	21.00
#000000	5.13	21.00	1.00	1.00
##000000	5.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E83CA

Deuteranopia (green-blind)

#4F78C5

Tritanopia (blue-blind)

#008D98

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #537dc7;
/* rgb */ color: rgb(83, 125, 199);
/* oklch */ color: oklch(59.3% 0.123 261.0);

Tailwind

colors: {
  custom: {
    50: '#8ca2d8',
    500: '#537dc7',
    950: '#000000',
  },
}

SCSS

$custom: #537dc7;
$custom-light: #8ca2d8;
$custom-dark: #000000;

JSON

{
  "hex": "#537dc7",
  "rgb": {
    "r": 83,
    "g": 125,
    "b": 199
  },
  "hsl": {
    "h": 218.276,
    "s": 50.877,
    "l": 55.294
  },
  "oklch": {
    "l": 0.59322,
    "c": 0.12309,
    "h": 261
  },
  "luminance": 0.2063
}

Semantic roles & 50–950 ramp

primary

#537DC7

secondary

#D3C2A3

accent

#A74DDA

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0F14

muted

#7E7E83

Preview Lab

Preview with #537DC7

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

Preview Lab → · Contrast checker → · Palette generator →