#257D7E#257D7E

#257D7E is a mid, moderate teal. Relative luminance 0.166; OKLCH L 54.0% C 0.081 H 196.1°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#257D7E
RGB	rgb(37, 125, 126)
HSL	hsl(181, 55%, 32%)
HSV	hsv(181, 71%, 49%)
CMYK	cmyk(70.6%, 0.8%, 0%, 50.6%)
CIE-LAB	lab(47.71, -24.74, -8.06)
CIE-LCH	lch(47.71, 26.02, 198.05°)
OKLab	oklab(53.99% -0.0773 -0.0224)
OKLCH	oklch(53.99% 0.081 196.1)
XYZ	xyz(11.8608, 16.5655, 22.3070)
Luminance	0.1657 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257D7E #7E2625

analogous

#257E53 #257D7E #25517E

triadic

#257D7E #7E257D #7D7E25

tetradic

#257D7E #53257E #7E2625 #517E25

square

#257D7E #53257E #7E2625 #517E25

split-complementary

#257D7E #7E2551 #7E5325

monochromatic

#091F1F #174E4F #257D7E #33ACAD #51CBCC

Accessibility & contrast

On white

4.87

#257D7E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#257D7E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257D7E

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257D7E	#FFFFFF	#000000	##FFFFFF
##257D7E	1.00	4.87	4.31	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#74777E

Deuteranopia (green-blind)

#676D7F

Tritanopia (blue-blind)

#00817D

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #257d7e;
/* rgb */ color: rgb(37, 125, 126);
/* oklch */ color: oklch(54.0% 0.081 196.1);

Tailwind

colors: {
  custom: {
    50: '#6ea3a3',
    500: '#257d7e',
    950: '#000000',
  },
}

SCSS

$custom: #257d7e;
$custom-light: #6ea3a3;
$custom-dark: #000000;

JSON

{
  "hex": "#257d7e",
  "rgb": {
    "r": 37,
    "g": 125,
    "b": 126
  },
  "hsl": {
    "h": 180.674,
    "s": 54.601,
    "l": 31.961
  },
  "oklch": {
    "l": 0.53991,
    "c": 0.08052,
    "h": 196.1
  },
  "luminance": 0.16567
}

Semantic roles & 50–950 ramp

primary

#257D7E

secondary

#B0504F

accent

#4C4ADE

background

#F7FAFA

surface

#EDF3F3

border

#C8CDCD

text

#080F0F

muted

#7B7F7F

Preview Lab

Preview with #257D7E

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

Preview Lab → · Contrast checker → · Palette generator →