#257A66#257A66

#257A66 is a mid, moderate teal. Relative luminance 0.153; OKLCH L 52.4% C 0.086 H 173.9°. Best body text is #FFFFFF at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#257A66
RGB	rgb(37, 122, 102)
HSL	hsl(166, 53%, 31%)
HSV	hsv(166, 70%, 48%)
CMYK	cmyk(69.7%, 0%, 16.4%, 52.2%)
CIE-LAB	lab(46.00, -30.27, 3.65)
CIE-LCH	lch(46.00, 30.49, 173.13°)
OKLab	oklab(52.36% -0.0857 0.0092)
OKLCH	oklch(52.36% 0.086 173.9)
XYZ	xyz(10.1196, 15.2706, 14.9820)
Luminance	0.1527 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257A66 #7A2539

analogous

#257A3B #257A66 #25637A

triadic

#257A66 #66257A #7A6625

tetradic

#257A66 #3B257A #7A2539 #637A25

square

#257A66 #3B257A #7A2539 #637A25

split-complementary

#257A66 #7A2563 #7A3B25

monochromatic

#091C17 #174B3F #257A66 #33A98D #50CAAD

Accessibility & contrast

On white

5.18

#257A66 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.05

#257A66 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257A66

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257A66	#FFFFFF	#000000	##FFFFFF
##257A66	1.00	5.18	4.05	5.18
#FFFFFF	5.18	1.00	21.00	1.00
#000000	4.05	21.00	1.00	21.00
##FFFFFF	5.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#767265

Deuteranopia (green-blind)

#6A6967

Tritanopia (blue-blind)

#007B74

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #257a66;
/* rgb */ color: rgb(37, 122, 102);
/* oklch */ color: oklch(52.4% 0.086 173.9);

Tailwind

colors: {
  custom: {
    50: '#6ca191',
    500: '#257a66',
    950: '#000000',
  },
}

SCSS

$custom: #257a66;
$custom-light: #6ca191;
$custom-dark: #000000;

JSON

{
  "hex": "#257a66",
  "rgb": {
    "r": 37,
    "g": 122,
    "b": 102
  },
  "hsl": {
    "h": 165.882,
    "s": 53.459,
    "l": 31.176
  },
  "oklch": {
    "l": 0.52365,
    "c": 0.08623,
    "h": 173.9
  },
  "luminance": 0.15272
}

Semantic roles & 50–950 ramp

primary

#257A66

secondary

#AC4E65

accent

#4B6DDD

background

#F6F9F8

surface

#ECF2F0

border

#C7CCCB

text

#070F0C

muted

#7A7E7D

Preview Lab

Preview with #257A66

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

Preview Lab → · Contrast checker → · Palette generator →