#257666#257666

#257666 is a mid, moderate teal. Relative luminance 0.143; OKLCH L 51.3% C 0.081 H 177.1°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#257666
RGB	rgb(37, 118, 102)
HSL	hsl(168, 52%, 30%)
HSV	hsv(168, 69%, 46%)
CMYK	cmyk(68.6%, 0%, 13.6%, 53.7%)
CIE-LAB	lab(44.67, -28.35, 1.72)
CIE-LCH	lch(44.67, 28.41, 176.52°)
OKLab	oklab(51.28% -0.0812 0.0041)
OKLCH	oklch(51.28% 0.081 177.1)
XYZ	xyz(9.6385, 14.3084, 14.8216)
Luminance	0.1431 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257666 #762535

analogous

#25763D #257666 #255D76

triadic

#257666 #662576 #766625

tetradic

#257666 #3D2576 #762535 #5D7625

square

#257666 #3D2576 #762535 #5D7625

split-complementary

#257666 #76255D #763D25

monochromatic

#081915 #16473E #257666 #34A58E #4EC7AF

Accessibility & contrast

On white

5.44

#257666 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#257666 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257666

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257666	#FFFFFF	#000000	##FFFFFF
##257666	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#716F65

Deuteranopia (green-blind)

#666667

Tritanopia (blue-blind)

#007871

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #257666;
/* rgb */ color: rgb(37, 118, 102);
/* oklch */ color: oklch(51.3% 0.081 177.1);

Tailwind

colors: {
  custom: {
    50: '#6b9e91',
    500: '#257666',
    950: '#000000',
  },
}

SCSS

$custom: #257666;
$custom-light: #6b9e91;
$custom-dark: #000000;

JSON

{
  "hex": "#257666",
  "rgb": {
    "r": 37,
    "g": 118,
    "b": 102
  },
  "hsl": {
    "h": 168.148,
    "s": 52.258,
    "l": 30.392
  },
  "oklch": {
    "l": 0.5128,
    "c": 0.08133,
    "h": 177.1
  },
  "luminance": 0.14309
}

Semantic roles & 50–950 ramp

primary

#257666

secondary

#A94E60

accent

#4C68DC

background

#F6F9F8

surface

#ECF2F0

border

#C7CCCB

text

#070E0C

muted

#7A7E7D

Preview Lab

Preview with #257666

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

Preview Lab → · Contrast checker → · Palette generator →