#257D7A#257D7A

#257D7A is a mid, moderate teal. Relative luminance 0.165; OKLCH L 53.8% C 0.081 H 191.7°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#257D7A
RGB	rgb(37, 125, 122)
HSL	hsl(178, 54%, 32%)
HSV	hsv(178, 70%, 49%)
CMYK	cmyk(70.4%, 0%, 2.4%, 51%)
CIE-LAB	lab(47.58, -25.97, -5.89)
CIE-LCH	lch(47.58, 26.63, 192.78°)
OKLab	oklab(53.84% -0.0792 -0.0164)
OKLCH	oklch(53.84% 0.081 191.7)
XYZ	xyz(11.6078, 16.4644, 20.9748)
Luminance	0.1647 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257D7A #7D2528

analogous

#257D4E #257D7A #25547D

triadic

#257D7A #7A257D #7D7A25

tetradic

#257D7A #4E257D #7D2528 #547D25

square

#257D7A #4E257D #7D2528 #547D25

split-complementary

#257D7A #7D2554 #7D4E25

monochromatic

#091F1E #174E4C #257D7A #33ACA8 #51CBC7

Accessibility & contrast

On white

4.89

#257D7A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#257D7A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257D7A

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257D7A	#FFFFFF	#000000	##FFFFFF
##257D7A	1.00	4.89	4.29	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#75767A

Deuteranopia (green-blind)

#686D7B

Tritanopia (blue-blind)

#00817C

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #257d7a;
/* rgb */ color: rgb(37, 125, 122);
/* oklch */ color: oklch(53.8% 0.081 191.7);

Tailwind

colors: {
  custom: {
    50: '#6ea3a0',
    500: '#257d7a',
    950: '#000000',
  },
}

SCSS

$custom: #257d7a;
$custom-light: #6ea3a0;
$custom-dark: #000000;

JSON

{
  "hex": "#257d7a",
  "rgb": {
    "r": 37,
    "g": 125,
    "b": 122
  },
  "hsl": {
    "h": 177.955,
    "s": 54.321,
    "l": 31.765
  },
  "oklch": {
    "l": 0.53842,
    "c": 0.08091,
    "h": 191.7
  },
  "luminance": 0.16466
}

Semantic roles & 50–950 ramp

primary

#257D7A

secondary

#AF4F52

accent

#4A4FDE

background

#F7FAF9

surface

#EDF4F2

border

#C8CECC

text

#080F0E

muted

#7B7F7E

Preview Lab

Preview with #257D7A

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

Preview Lab → · Contrast checker → · Palette generator →