#257D78#257D78

#257D78 is a mid, moderate teal. Relative luminance 0.164; OKLCH L 53.8% C 0.081 H 189.5°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#257D78
RGB	rgb(37, 125, 120)
HSL	hsl(177, 54%, 32%)
HSV	hsv(177, 70%, 49%)
CMYK	cmyk(70.4%, 0%, 4%, 51%)
CIE-LAB	lab(47.51, -26.58, -4.80)
CIE-LCH	lch(47.51, 27.01, 190.24°)
OKLab	oklab(53.77% -0.0802 -0.0134)
OKLCH	oklch(53.77% 0.081 189.5)
XYZ	xyz(11.4852, 16.4153, 20.3288)
Luminance	0.1642 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257D78 #7D252A

analogous

#257D4C #257D78 #25567D

triadic

#257D78 #78257D #7D7825

tetradic

#257D78 #4C257D #7D252A #567D25

square

#257D78 #4C257D #7D252A #567D25

split-complementary

#257D78 #7D2556 #7D4C25

monochromatic

#091F1D #174E4B #257D78 #33ACA5 #51CBC5

Accessibility & contrast

On white

4.90

#257D78 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#257D78 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257D78

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257D78	#FFFFFF	#000000	##FFFFFF
##257D78	1.00	4.90	4.28	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#767678

Deuteranopia (green-blind)

#696D79

Tritanopia (blue-blind)

#00807B

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #257d78;
/* rgb */ color: rgb(37, 125, 120);
/* oklch */ color: oklch(53.8% 0.081 189.5);

Tailwind

colors: {
  custom: {
    50: '#6da39e',
    500: '#257d78',
    950: '#000000',
  },
}

SCSS

$custom: #257d78;
$custom-light: #6da39e;
$custom-dark: #000000;

JSON

{
  "hex": "#257d78",
  "rgb": {
    "r": 37,
    "g": 125,
    "b": 120
  },
  "hsl": {
    "h": 176.591,
    "s": 54.321,
    "l": 31.765
  },
  "oklch": {
    "l": 0.5377,
    "c": 0.0813,
    "h": 189.5
  },
  "luminance": 0.16417
}

Semantic roles & 50–950 ramp

primary

#257D78

secondary

#AF4F54

accent

#4A53DE

background

#F7FAF9

surface

#EDF4F2

border

#C8CECC

text

#080F0E

muted

#7B7F7E

Preview Lab

Preview with #257D78

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

Preview Lab → · Contrast checker → · Palette generator →