#257E84#257E84

#257E84 is a mid, moderate teal. Relative luminance 0.170; OKLCH L 54.5% C 0.081 H 201.6°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#257E84
RGB	rgb(37, 126, 132)
HSL	hsl(184, 56%, 33%)
HSV	hsv(184, 72%, 52%)
CMYK	cmyk(72%, 4.5%, 0%, 48.2%)
CIE-LAB	lab(48.23, -23.37, -10.81)
CIE-LCH	lch(48.23, 25.75, 204.83°)
OKLab	oklab(54.48% -0.0756 -0.03)
OKLCH	oklch(54.48% 0.081 201.6)
XYZ	xyz(12.3868, 16.9795, 24.4499)
Luminance	0.1698 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257E84 #842B25

analogous

#25845A #257E84 #254F84

triadic

#257E84 #84257E #7E8425

tetradic

#257E84 #5A2584 #842B25 #4F8425

square

#257E84 #5A2584 #842B25 #4F8425

split-complementary

#257E84 #84254F #845A25

monochromatic

#0A2324 #185054 #257E84 #32ACB4 #54C7CF

Accessibility & contrast

On white

4.78

#257E84 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#257E84 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257E84

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257E84	#FFFFFF	#000000	##FFFFFF
##257E84	1.00	4.78	4.40	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#747884

Deuteranopia (green-blind)

#666E84

Tritanopia (blue-blind)

#008380

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #257e84;
/* rgb */ color: rgb(37, 126, 132);
/* oklch */ color: oklch(54.5% 0.081 201.6);

Tailwind

colors: {
  custom: {
    50: '#6fa3a7',
    500: '#257e84',
    950: '#000000',
  },
}

SCSS

$custom: #257e84;
$custom-light: #6fa3a7;
$custom-dark: #000000;

JSON

{
  "hex": "#257e84",
  "rgb": {
    "r": 37,
    "g": 126,
    "b": 132
  },
  "hsl": {
    "h": 183.789,
    "s": 56.213,
    "l": 33.137
  },
  "oklch": {
    "l": 0.54484,
    "c": 0.08139,
    "h": 201.6
  },
  "luminance": 0.16981
}

Semantic roles & 50–950 ramp

primary

#257E84

secondary

#B35851

accent

#5248E0

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#080F0F

muted

#7B7F7F

Preview Lab

Preview with #257E84

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

Preview Lab → · Contrast checker → · Palette generator →