#257E80#257E80

#257E80 is a mid, moderate teal. Relative luminance 0.169; OKLCH L 54.3% C 0.081 H 197.2°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#257E80
RGB	rgb(37, 126, 128)
HSL	hsl(181, 55%, 32%)
HSV	hsv(181, 71%, 50%)
CMYK	cmyk(71.1%, 1.6%, 0%, 49.8%)
CIE-LAB	lab(48.10, -24.63, -8.66)
CIE-LCH	lch(48.10, 26.11, 199.37°)
OKLab	oklab(54.33% -0.0775 -0.024)
OKLCH	oklch(54.33% 0.081 197.2)
XYZ	xyz(12.1183, 16.8721, 23.0359)
Luminance	0.1687 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257E80 #802725

analogous

#258055 #257E80 #255080

triadic

#257E80 #80257E #7E8025

tetradic

#257E80 #552580 #802725 #508025

square

#257E80 #552580 #802725 #508025

split-complementary

#257E80 #802550 #805525

monochromatic

#0A2121 #174F51 #257E80 #33ADAF #52CACD

Accessibility & contrast

On white

4.80

#257E80 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#257E80 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257E80

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257E80	#FFFFFF	#000000	##FFFFFF
##257E80	1.00	4.80	4.37	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#757880

Deuteranopia (green-blind)

#686E81

Tritanopia (blue-blind)

#00827E

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #257e80;
/* rgb */ color: rgb(37, 126, 128);
/* oklch */ color: oklch(54.3% 0.081 197.2);

Tailwind

colors: {
  custom: {
    50: '#6ea3a4',
    500: '#257e80',
    950: '#000000',
  },
}

SCSS

$custom: #257e80;
$custom-light: #6ea3a4;
$custom-dark: #000000;

JSON

{
  "hex": "#257e80",
  "rgb": {
    "r": 37,
    "g": 126,
    "b": 128
  },
  "hsl": {
    "h": 181.319,
    "s": 55.152,
    "l": 32.353
  },
  "oklch": {
    "l": 0.5433,
    "c": 0.08113,
    "h": 197.2
  },
  "luminance": 0.16874
}

Semantic roles & 50–950 ramp

primary

#257E80

secondary

#B15250

accent

#4D49DE

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#080F0F

muted

#7B7F7F

Preview Lab

Preview with #257E80

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

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