#257D7C#257D7C

#257D7C is a mid, moderate teal. Relative luminance 0.165; OKLCH L 53.9% C 0.081 H 193.9°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#257D7C
RGB	rgb(37, 125, 124)
HSL	hsl(179, 54%, 32%)
HSV	hsv(179, 70%, 49%)
CMYK	cmyk(70.4%, 0%, 0.8%, 51%)
CIE-LAB	lab(47.64, -25.36, -6.98)
CIE-LCH	lch(47.64, 26.30, 195.38°)
OKLab	oklab(53.92% -0.0783 -0.0194)
OKLCH	oklch(53.92% 0.081 193.9)
XYZ	xyz(11.7330, 16.5144, 21.6341)
Luminance	0.1652 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257D7C #7D2526

analogous

#257D50 #257D7C #25527D

triadic

#257D7C #7C257D #7D7C25

tetradic

#257D7C #50257D #7D2526 #527D25

square

#257D7C #50257D #7D2526 #527D25

split-complementary

#257D7C #7D2552 #7D5025

monochromatic

#091F1E #174E4D #257D7C #33ACAB #51CBCA

Accessibility & contrast

On white

4.88

#257D7C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#257D7C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257D7C

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257D7C	#FFFFFF	#000000	##FFFFFF
##257D7C	1.00	4.88	4.30	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#75777C

Deuteranopia (green-blind)

#686D7D

Tritanopia (blue-blind)

#00817C

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #257d7c;
/* rgb */ color: rgb(37, 125, 124);
/* oklch */ color: oklch(53.9% 0.081 193.9);

Tailwind

colors: {
  custom: {
    50: '#6ea3a1',
    500: '#257d7c',
    950: '#000000',
  },
}

SCSS

$custom: #257d7c;
$custom-light: #6ea3a1;
$custom-dark: #000000;

JSON

{
  "hex": "#257d7c",
  "rgb": {
    "r": 37,
    "g": 125,
    "b": 124
  },
  "hsl": {
    "h": 179.318,
    "s": 54.321,
    "l": 31.765
  },
  "oklch": {
    "l": 0.53916,
    "c": 0.08065,
    "h": 193.9
  },
  "luminance": 0.16516
}

Semantic roles & 50–950 ramp

primary

#257D7C

secondary

#AF4F50

accent

#4A4CDE

background

#F7FAF9

surface

#EDF4F2

border

#C8CECC

text

#080F0F

muted

#7B7F7E

Preview Lab

Preview with #257D7C

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

Preview Lab → · Contrast checker → · Palette generator →