#52637B#52637B

#52637B is a mid, muted blue. Relative luminance 0.121; OKLCH L 49.5% C 0.044 H 257.0°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#52637B
RGB	rgb(82, 99, 123)
HSL	hsl(215, 20%, 40%)
HSV	hsv(215, 33%, 48%)
CMYK	cmyk(33.3%, 19.5%, 0%, 51.8%)
CIE-LAB	lab(41.45, -0.21, -15.53)
CIE-LCH	lch(41.45, 15.53, 269.21°)
OKLab	oklab(49.5% -0.0099 -0.0428)
OKLCH	oklch(49.5% 0.044 257)
XYZ	xyz(11.5156, 12.1471, 20.4729)
Luminance	0.1215 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#52637B #7B6A52

analogous

#52777B #52637B #55527B

triadic

#52637B #7B5263 #637B52

tetradic

#52637B #7B5277 #7B6A52 #527B55

square

#52637B #7B5277 #7B6A52 #527B55

split-complementary

#52637B #7B5552 #777B52

monochromatic

#212832 #3A4556 #52637B #6D819D #91A1B6

Accessibility & contrast

On white

6.12

#52637B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#52637B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #52637B

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##52637B	#FFFFFF	#000000	##FFFFFF
##52637B	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B647C

Deuteranopia (green-blind)

#56607A

Tritanopia (blue-blind)

#46686B

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #52637b;
/* rgb */ color: rgb(82, 99, 123);
/* oklch */ color: oklch(49.5% 0.044 257.0);

Tailwind

colors: {
  custom: {
    50: '#848fa1',
    500: '#52637b',
    950: '#000000',
  },
}

SCSS

$custom: #52637b;
$custom-light: #848fa1;
$custom-dark: #000000;

JSON

{
  "hex": "#52637b",
  "rgb": {
    "r": 82,
    "g": 99,
    "b": 123
  },
  "hsl": {
    "h": 215.122,
    "s": 20,
    "l": 40.196
  },
  "oklch": {
    "l": 0.495,
    "c": 0.04388,
    "h": 257
  },
  "luminance": 0.12148
}

Semantic roles & 50–950 ramp

primary

#52637B

secondary

#A39785

accent

#9B6BBD

background

#F8F8F9

surface

#EFF0F2

border

#CACBCC

text

#0B0C0F

muted

#7C7D7E

Preview Lab

Preview with #52637B

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

Preview Lab → · Contrast checker → · Palette generator →