#657C8B#657C8B

#657C8B is a mid, muted cyan. Relative luminance 0.190; OKLCH L 57.3% C 0.035 H 236.8°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#657C8B
RGB	rgb(101, 124, 139)
HSL	hsl(204, 16%, 47%)
HSV	hsv(204, 27%, 55%)
CMYK	cmyk(27.3%, 10.8%, 0%, 45.5%)
CIE-LAB	lab(50.74, -4.68, -10.87)
CIE-LCH	lch(50.74, 11.84, 246.72°)
OKLab	oklab(57.35% -0.0194 -0.0297)
OKLCH	oklch(57.35% 0.035 236.8)
XYZ	xyz(17.2333, 19.0454, 27.1892)
Luminance	0.1905 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#657C8B #8B7465

analogous

#658B87 #657C8B #65698B

triadic

#657C8B #8B657C #7C8B65

tetradic

#657C8B #87658B #8B7465 #698B65

square

#657C8B #87658B #8B7465 #698B65

split-complementary

#657C8B #8B6569 #8B8765

monochromatic

#313D44 #4B5C68 #657C8B #869AA7 #AAB8C1

Accessibility & contrast

On white

4.37

#657C8B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#657C8B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #657C8B

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##657C8B	#FFFFFF	#000000	##000000
##657C8B	1.00	4.37	4.81	4.81
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#757B8C

Deuteranopia (green-blind)

#70778B

Tritanopia (blue-blind)

#5A8081

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #657c8b;
/* rgb */ color: rgb(101, 124, 139);
/* oklch */ color: oklch(57.3% 0.035 236.8);

Tailwind

colors: {
  custom: {
    50: '#91a1ac',
    500: '#657c8b',
    950: '#000000',
  },
}

SCSS

$custom: #657c8b;
$custom-light: #91a1ac;
$custom-dark: #000000;

JSON

{
  "hex": "#657c8b",
  "rgb": {
    "r": 101,
    "g": 124,
    "b": 139
  },
  "hsl": {
    "h": 203.684,
    "s": 15.833,
    "l": 47.059
  },
  "oklch": {
    "l": 0.57346,
    "c": 0.03544,
    "h": 236.8
  },
  "luminance": 0.19046
}

Semantic roles & 50–950 ramp

primary

#657C8B

secondary

#B0A49C

accent

#8C6FB9

background

#F9F9FA

surface

#F1F2F4

border

#CBCCCE

text

#0D0F10

muted

#7E7E7F

Preview Lab

Preview with #657C8B

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

Preview Lab → · Contrast checker → · Palette generator →