#257F89#257F89

#257F89 is a mid, moderate teal. Relative luminance 0.174; OKLCH L 54.9% C 0.083 H 205.9°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#257F89
RGB	rgb(37, 127, 137)
HSL	hsl(186, 57%, 34%)
HSV	hsv(186, 73%, 54%)
CMYK	cmyk(73%, 7.3%, 0%, 46.3%)
CIE-LAB	lab(48.73, -22.29, -13.01)
CIE-LCH	lch(48.73, 25.81, 210.27°)
OKLab	oklab(54.94% -0.0745 -0.0361)
OKLCH	oklch(54.94% 0.083 205.9)
XYZ	xyz(12.8657, 17.3767, 26.3380)
Luminance	0.1738 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257F89 #892F25

analogous

#258961 #257F89 #254D89

triadic

#257F89 #89257F #7F8925

tetradic

#257F89 #612589 #892F25 #4D8925

square

#257F89 #612589 #892F25 #4D8925

split-complementary

#257F89 #89254D #896125

monochromatic

#0B2629 #185259 #257F89 #32ACB9 #57C5D2

Accessibility & contrast

On white

4.69

#257F89 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#257F89 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257F89

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257F89	#FFFFFF	#000000	##FFFFFF
##257F89	1.00	4.69	4.48	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#747A8A

Deuteranopia (green-blind)

#666F89

Tritanopia (blue-blind)

#008582

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #257f89;
/* rgb */ color: rgb(37, 127, 137);
/* oklch */ color: oklch(54.9% 0.083 205.9);

Tailwind

colors: {
  custom: {
    50: '#6fa4ab',
    500: '#257f89',
    950: '#000000',
  },
}

SCSS

$custom: #257f89;
$custom-light: #6fa4ab;
$custom-dark: #000000;

JSON

{
  "hex": "#257f89",
  "rgb": {
    "r": 37,
    "g": 127,
    "b": 137
  },
  "hsl": {
    "h": 186,
    "s": 57.471,
    "l": 34.118
  },
  "oklch": {
    "l": 0.54944,
    "c": 0.08277,
    "h": 205.9
  },
  "luminance": 0.17378
}

Semantic roles & 50–950 ramp

primary

#257F89

secondary

#B65E54

accent

#5647E1

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#080F10

muted

#7B7F7F

Preview Lab

Preview with #257F89

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

Preview Lab → · Contrast checker → · Palette generator →