#257E5B#257E5B

#257E5B is a mid, moderate teal. Relative luminance 0.161; OKLCH L 53.1% C 0.100 H 162.8°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#257E5B
RGB	rgb(37, 126, 91)
HSL	hsl(156, 55%, 32%)
HSV	hsv(156, 71%, 49%)
CMYK	cmyk(70.6%, 0%, 27.8%, 50.6%)
CIE-LAB	lab(47.07, -34.92, 11.62)
CIE-LCH	lch(47.07, 36.80, 161.59°)
OKLab	oklab(53.15% -0.0958 0.0296)
OKLCH	oklch(53.15% 0.1 162.8)
XYZ	xyz(10.1111, 16.0692, 12.4643)
Luminance	0.1607 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257E5B #7E2548

analogous

#257E2E #257E5B #25757E

triadic

#257E5B #5B257E #7E5B25

tetradic

#257E5B #2E257E #7E2548 #757E25

square

#257E5B #2E257E #7E2548 #757E25

split-complementary

#257E5B #7E2575 #7E2E25

monochromatic

#091F17 #174F39 #257E5B #33AD7D #51CC9C

Accessibility & contrast

On white

4.98

#257E5B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.21

#257E5B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257E5B

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257E5B	#FFFFFF	#000000	##FFFFFF
##257E5B	1.00	4.98	4.21	4.98
#FFFFFF	4.98	1.00	21.00	1.00
#000000	4.21	21.00	1.00	21.00
##FFFFFF	4.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C7559

Deuteranopia (green-blind)

#706C5D

Tritanopia (blue-blind)

#007E74

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #257e5b;
/* rgb */ color: rgb(37, 126, 91);
/* oklch */ color: oklch(53.1% 0.100 162.8);

Tailwind

colors: {
  custom: {
    50: '#6ca489',
    500: '#257e5b',
    950: '#000000',
  },
}

SCSS

$custom: #257e5b;
$custom-light: #6ca489;
$custom-dark: #000000;

JSON

{
  "hex": "#257e5b",
  "rgb": {
    "r": 37,
    "g": 126,
    "b": 91
  },
  "hsl": {
    "h": 156.404,
    "s": 54.601,
    "l": 31.961
  },
  "oklch": {
    "l": 0.53145,
    "c": 0.10028,
    "h": 162.8
  },
  "luminance": 0.1607
}

Semantic roles & 50–950 ramp

primary

#257E5B

secondary

#B04F75

accent

#4A84DE

background

#F6FAF8

surface

#ECF4F0

border

#C7CECB

text

#080F0B

muted

#7A7F7C

Preview Lab

Preview with #257E5B

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

Preview Lab → · Contrast checker → · Palette generator →