#537CC7#537CC7

#537CC7 is a mid, vivid blue. Relative luminance 0.204; OKLCH L 59.1% C 0.124 H 261.6°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#537CC7
RGB	rgb(83, 124, 199)
HSL	hsl(219, 51%, 55%)
HSV	hsv(219, 58%, 78%)
CMYK	cmyk(58.3%, 37.7%, 0%, 22%)
CIE-LAB	lab(52.26, 8.43, -43.35)
CIE-LCH	lch(52.26, 44.16, 281.01°)
OKLab	oklab(59.1% -0.0181 -0.1229)
OKLCH	oklch(59.1% 0.124 261.6)
XYZ	xyz(21.0802, 20.3761, 56.8439)
Luminance	0.2038 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537CC7 #C79E53

analogous

#53B6C7 #537CC7 #6453C7

triadic

#537CC7 #C7537C #7CC753

tetradic

#537CC7 #C753B6 #C79E53 #53C764

square

#537CC7 #C753B6 #C79E53 #53C764

split-complementary

#537CC7 #C76453 #B6C753

monochromatic

#274478 #365EA7 #537CC7 #819FD6 #AFC2E5

Accessibility & contrast

On white

4.14

#537CC7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.08

#537CC7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537CC7

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537CC7	#FFFFFF	#000000	##000000
##537CC7	1.00	4.14	5.08	5.08
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.08	21.00	1.00	1.00
##000000	5.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D82CA

Deuteranopia (green-blind)

#4D78C5

Tritanopia (blue-blind)

#008D98

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #537cc7;
/* rgb */ color: rgb(83, 124, 199);
/* oklch */ color: oklch(59.1% 0.124 261.6);

Tailwind

colors: {
  custom: {
    50: '#8ca1d8',
    500: '#537cc7',
    950: '#000000',
  },
}

SCSS

$custom: #537cc7;
$custom-light: #8ca1d8;
$custom-dark: #000000;

JSON

{
  "hex": "#537cc7",
  "rgb": {
    "r": 83,
    "g": 124,
    "b": 199
  },
  "hsl": {
    "h": 218.793,
    "s": 50.877,
    "l": 55.294
  },
  "oklch": {
    "l": 0.59104,
    "c": 0.12422,
    "h": 261.6
  },
  "luminance": 0.20378
}

Semantic roles & 50–950 ramp

primary

#537CC7

secondary

#D3C2A3

accent

#A94DDA

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0E14

muted

#7E7E83

Preview Lab

Preview with #537CC7

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

Preview Lab → · Contrast checker → · Palette generator →