#257D66#257D66

#257D66 is a mid, moderate teal. Relative luminance 0.160; OKLCH L 53.2% C 0.090 H 171.7°. Best body text is #FFFFFF at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#257D66
RGB	rgb(37, 125, 102)
HSL	hsl(164, 54%, 32%)
HSV	hsv(164, 70%, 49%)
CMYK	cmyk(70.4%, 0%, 18.4%, 51%)
CIE-LAB	lab(47.00, -31.68, 5.08)
CIE-LCH	lch(47.00, 32.09, 170.89°)
OKLab	oklab(53.18% -0.0891 0.0129)
OKLCH	oklch(53.18% 0.09 171.7)
XYZ	xyz(10.4936, 16.0187, 15.1067)
Luminance	0.1602 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257D66 #7D253C

analogous

#257D3A #257D66 #25687D

triadic

#257D66 #66257D #7D6625

tetradic

#257D66 #3A257D #7D253C #687D25

square

#257D66 #3A257D #7D253C #687D25

split-complementary

#257D66 #7D2568 #7D3A25

monochromatic

#091F19 #174E3F #257D66 #33AC8D #51CBAB

Accessibility & contrast

On white

5.00

#257D66 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.20

#257D66 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257D66

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257D66	#FFFFFF	#000000	##FFFFFF
##257D66	1.00	5.00	4.20	5.00
#FFFFFF	5.00	1.00	21.00	1.00
#000000	4.20	21.00	1.00	21.00
##FFFFFF	5.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#797565

Deuteranopia (green-blind)

#6D6C68

Tritanopia (blue-blind)

#007E76

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #257d66;
/* rgb */ color: rgb(37, 125, 102);
/* oklch */ color: oklch(53.2% 0.090 171.7);

Tailwind

colors: {
  custom: {
    50: '#6ca391',
    500: '#257d66',
    950: '#000000',
  },
}

SCSS

$custom: #257d66;
$custom-light: #6ca391;
$custom-dark: #000000;

JSON

{
  "hex": "#257d66",
  "rgb": {
    "r": 37,
    "g": 125,
    "b": 102
  },
  "hsl": {
    "h": 164.318,
    "s": 54.321,
    "l": 31.765
  },
  "oklch": {
    "l": 0.53179,
    "c": 0.09002,
    "h": 171.7
  },
  "luminance": 0.1602
}

Semantic roles & 50–950 ramp

primary

#257D66

secondary

#AF4F68

accent

#4A71DE

background

#F6FAF8

surface

#ECF4F0

border

#C7CECB

text

#080F0C

muted

#7A7F7D

Preview Lab

Preview with #257D66

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

Preview Lab → · Contrast checker → · Palette generator →