#257D86#257D86

#257D86 is a mid, moderate teal. Relative luminance 0.168; OKLCH L 54.3% C 0.081 H 205.0°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#257D86
RGB	rgb(37, 125, 134)
HSL	hsl(186, 57%, 34%)
HSV	hsv(186, 72%, 53%)
CMYK	cmyk(72.4%, 6.7%, 0%, 47.5%)
CIE-LAB	lab(47.98, -22.21, -12.37)
CIE-LCH	lch(47.98, 25.42, 209.13°)
OKLab	oklab(54.3% -0.0737 -0.0344)
OKLCH	oklch(54.3% 0.081 205)
XYZ	xyz(12.3978, 16.7803, 25.1352)
Luminance	0.1678 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257D86 #862E25

analogous

#25865E #257D86 #254C86

triadic

#257D86 #86257D #7D8625

tetradic

#257D86 #5E2586 #862E25 #4C8625

square

#257D86 #5E2586 #862E25 #4C8625

split-complementary

#257D86 #86254C #865E25

monochromatic

#0B2426 #185056 #257D86 #32AAB6 #55C5D0

Accessibility & contrast

On white

4.82

#257D86 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#257D86 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257D86

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257D86	#FFFFFF	#000000	##FFFFFF
##257D86	1.00	4.82	4.36	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#727887

Deuteranopia (green-blind)

#656D86

Tritanopia (blue-blind)

#008280

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #257d86;
/* rgb */ color: rgb(37, 125, 134);
/* oklch */ color: oklch(54.3% 0.081 205.0);

Tailwind

colors: {
  custom: {
    50: '#6fa3a9',
    500: '#257d86',
    950: '#000000',
  },
}

SCSS

$custom: #257d86;
$custom-light: #6fa3a9;
$custom-dark: #000000;

JSON

{
  "hex": "#257d86",
  "rgb": {
    "r": 37,
    "g": 125,
    "b": 134
  },
  "hsl": {
    "h": 185.567,
    "s": 56.725,
    "l": 33.529
  },
  "oklch": {
    "l": 0.54304,
    "c": 0.08129,
    "h": 205
  },
  "luminance": 0.16782
}

Semantic roles & 50–950 ramp

primary

#257D86

secondary

#B45B52

accent

#5648E0

background

#F7FAFA

surface

#EDF3F4

border

#C8CDCE

text

#080F0F

muted

#7B7F7F

Preview Lab

Preview with #257D86

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

Preview Lab → · Contrast checker → · Palette generator →