#257D7D#257D7D

#257D7D is a mid, moderate teal. Relative luminance 0.165; OKLCH L 54.0% C 0.081 H 195.0°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#257D7D
RGB	rgb(37, 125, 125)
HSL	hsl(180, 54%, 32%)
HSV	hsv(180, 70%, 49%)
CMYK	cmyk(70.4%, 0%, 0%, 51%)
CIE-LAB	lab(47.67, -25.05, -7.52)
CIE-LCH	lch(47.67, 26.16, 196.71°)
OKLab	oklab(53.95% -0.0778 -0.0209)
OKLCH	oklch(53.95% 0.081 195)
XYZ	xyz(11.7966, 16.5399, 21.9689)
Luminance	0.1654 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257D7D #7D2525

analogous

#257D51 #257D7D #25517D

triadic

#257D7D #7D257D #7D7D25

tetradic

#257D7D #51257D #7D2525 #517D25

square

#257D7D #51257D #7D2525 #517D25

split-complementary

#257D7D #7D2551 #7D5125

monochromatic

#091F1F #174E4E #257D7D #33ACAC #51CBCB

Accessibility & contrast

On white

4.87

#257D7D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#257D7D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257D7D

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257D7D	#FFFFFF	#000000	##FFFFFF
##257D7D	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)

#75777D

Deuteranopia (green-blind)

#676D7E

Tritanopia (blue-blind)

#00817D

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #257d7d;
/* rgb */ color: rgb(37, 125, 125);
/* oklch */ color: oklch(54.0% 0.081 195.0);

Tailwind

colors: {
  custom: {
    50: '#6ea3a2',
    500: '#257d7d',
    950: '#000000',
  },
}

SCSS

$custom: #257d7d;
$custom-light: #6ea3a2;
$custom-dark: #000000;

JSON

{
  "hex": "#257d7d",
  "rgb": {
    "r": 37,
    "g": 125,
    "b": 125
  },
  "hsl": {
    "h": 180,
    "s": 54.321,
    "l": 31.765
  },
  "oklch": {
    "l": 0.53953,
    "c": 0.08057,
    "h": 195
  },
  "luminance": 0.16541
}

Semantic roles & 50–950 ramp

primary

#257D7D

secondary

#AF4F4F

accent

#4A4ADE

background

#F7FAF9

surface

#EDF4F2

border

#C8CECC

text

#080F0F

muted

#7B7F7E

Preview Lab

Preview with #257D7D

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

Preview Lab → · Contrast checker → · Palette generator →