#257D83#257D83

#257D83 is a mid, moderate teal. Relative luminance 0.167; OKLCH L 54.2% C 0.081 H 201.7°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#257D83
RGB	rgb(37, 125, 131)
HSL	hsl(184, 56%, 33%)
HSV	hsv(184, 72%, 51%)
CMYK	cmyk(71.8%, 4.6%, 0%, 48.6%)
CIE-LAB	lab(47.88, -23.17, -10.76)
CIE-LCH	lch(47.88, 25.55, 204.91°)
OKLab	oklab(54.18% -0.075 -0.0299)
OKLCH	oklch(54.18% 0.081 201.7)
XYZ	xyz(12.1915, 16.6978, 24.0488)
Luminance	0.1670 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257D83 #832B25

analogous

#25835A #257D83 #254E83

triadic

#257D83 #83257D #7D8325

tetradic

#257D83 #5A2583 #832B25 #4E8325

square

#257D83 #5A2583 #832B25 #4E8325

split-complementary

#257D83 #83254E #835A25

monochromatic

#0A2224 #184F53 #257D83 #32ABB3 #54C7CF

Accessibility & contrast

On white

4.84

#257D83 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#257D83 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257D83

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257D83	#FFFFFF	#000000	##FFFFFF
##257D83	1.00	4.84	4.34	4.84
#FFFFFF	4.84	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#737783

Deuteranopia (green-blind)

#666D83

Tritanopia (blue-blind)

#00827F

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #257d83;
/* rgb */ color: rgb(37, 125, 131);
/* oklch */ color: oklch(54.2% 0.081 201.7);

Tailwind

colors: {
  custom: {
    50: '#6ea3a7',
    500: '#257d83',
    950: '#000000',
  },
}

SCSS

$custom: #257d83;
$custom-light: #6ea3a7;
$custom-dark: #000000;

JSON

{
  "hex": "#257d83",
  "rgb": {
    "r": 37,
    "g": 125,
    "b": 131
  },
  "hsl": {
    "h": 183.83,
    "s": 55.952,
    "l": 32.941
  },
  "oklch": {
    "l": 0.54184,
    "c": 0.08076,
    "h": 201.7
  },
  "luminance": 0.16699
}

Semantic roles & 50–950 ramp

primary

#257D83

secondary

#B35751

accent

#5249DF

background

#F7FAFA

surface

#EDF3F4

border

#C8CDCE

text

#080F0F

muted

#7B7F7F

Preview Lab

Preview with #257D83

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

Preview Lab → · Contrast checker → · Palette generator →