#257F87#257F87

#257F87 is a mid, moderate teal. Relative luminance 0.173; OKLCH L 54.9% C 0.082 H 203.7°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#257F87
RGB	rgb(37, 127, 135)
HSL	hsl(185, 57%, 34%)
HSV	hsv(185, 73%, 53%)
CMYK	cmyk(72.6%, 5.9%, 0%, 47.1%)
CIE-LAB	lab(48.66, -22.93, -11.94)
CIE-LCH	lch(48.66, 25.85, 207.50°)
OKLab	oklab(54.86% -0.0754 -0.0331)
OKLCH	oklch(54.86% 0.082 203.7)
XYZ	xyz(12.7236, 17.3198, 25.5895)
Luminance	0.1732 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257F87 #872D25

analogous

#25875E #257F87 #254E87

triadic

#257F87 #87257F #7F8725

tetradic

#257F87 #5E2587 #872D25 #4E8725

square

#257F87 #5E2587 #872D25 #4E8725

split-complementary

#257F87 #87254E #875E25

monochromatic

#0B2527 #185257 #257F87 #32ACB7 #56C7D1

Accessibility & contrast

On white

4.70

#257F87 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#257F87 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257F87

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257F87	#FFFFFF	#000000	##FFFFFF
##257F87	1.00	4.70	4.46	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#757A88

Deuteranopia (green-blind)

#666F87

Tritanopia (blue-blind)

#008481

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #257f87;
/* rgb */ color: rgb(37, 127, 135);
/* oklch */ color: oklch(54.9% 0.082 203.7);

Tailwind

colors: {
  custom: {
    50: '#6fa4aa',
    500: '#257f87',
    950: '#000000',
  },
}

SCSS

$custom: #257f87;
$custom-light: #6fa4aa;
$custom-dark: #000000;

JSON

{
  "hex": "#257f87",
  "rgb": {
    "r": 37,
    "g": 127,
    "b": 135
  },
  "hsl": {
    "h": 184.898,
    "s": 56.977,
    "l": 33.725
  },
  "oklch": {
    "l": 0.54864,
    "c": 0.08233,
    "h": 203.7
  },
  "luminance": 0.17321
}

Semantic roles & 50–950 ramp

primary

#257F87

secondary

#B55B53

accent

#5448E0

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#080F10

muted

#7B7F7F

Preview Lab

Preview with #257F87

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

Preview Lab → · Contrast checker → · Palette generator →