#257D89#257D89

#257D89 is a mid, moderate teal. Relative luminance 0.169; OKLCH L 54.4% C 0.082 H 208.2°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#257D89
RGB	rgb(37, 125, 137)
HSL	hsl(187, 57%, 34%)
HSV	hsv(187, 73%, 54%)
CMYK	cmyk(73%, 8.8%, 0%, 46.3%)
CIE-LAB	lab(48.09, -21.24, -13.98)
CIE-LCH	lch(48.09, 25.43, 213.36°)
OKLab	oklab(54.43% -0.0723 -0.0389)
OKLCH	oklch(54.43% 0.082 208.2)
XYZ	xyz(12.6100, 16.8652, 26.2528)
Luminance	0.1687 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257D89 #893125

analogous

#258963 #257D89 #254B89

triadic

#257D89 #89257D #7D8925

tetradic

#257D89 #632589 #893125 #4B8925

square

#257D89 #632589 #893125 #4B8925

split-complementary

#257D89 #89254B #896325

monochromatic

#0B2529 #185159 #257D89 #32A9B9 #57C3D2

Accessibility & contrast

On white

4.80

#257D89 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#257D89 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257D89

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257D89	#FFFFFF	#000000	##FFFFFF
##257D89	1.00	4.80	4.37	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#72788A

Deuteranopia (green-blind)

#646E89

Tritanopia (blue-blind)

#008381

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #257d89;
/* rgb */ color: rgb(37, 125, 137);
/* oklch */ color: oklch(54.4% 0.082 208.2);

Tailwind

colors: {
  custom: {
    50: '#6fa3ab',
    500: '#257d89',
    950: '#000000',
  },
}

SCSS

$custom: #257d89;
$custom-light: #6fa3ab;
$custom-dark: #000000;

JSON

{
  "hex": "#257d89",
  "rgb": {
    "r": 37,
    "g": 125,
    "b": 137
  },
  "hsl": {
    "h": 187.2,
    "s": 57.471,
    "l": 34.118
  },
  "oklch": {
    "l": 0.54427,
    "c": 0.08211,
    "h": 208.2
  },
  "luminance": 0.16867
}

Semantic roles & 50–950 ramp

primary

#257D89

secondary

#B66054

accent

#5A47E1

background

#F7FAFA

surface

#EDF3F4

border

#C8CDCE

text

#080F10

muted

#7B7F7F

Preview Lab

Preview with #257D89

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

Preview Lab → · Contrast checker → · Palette generator →