#257C80#257C80

#257C80 is a mid, moderate teal. Relative luminance 0.164; OKLCH L 53.8% C 0.080 H 199.5°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#257C80
RGB	rgb(37, 124, 128)
HSL	hsl(183, 55%, 32%)
HSV	hsv(183, 71%, 50%)
CMYK	cmyk(71.1%, 3.1%, 0%, 49.8%)
CIE-LAB	lab(47.45, -23.60, -9.63)
CIE-LCH	lch(47.45, 25.49, 202.19°)
OKLab	oklab(53.81% -0.0753 -0.0267)
OKLCH	oklch(53.81% 0.08 199.5)
XYZ	xyz(11.8652, 16.3658, 22.9515)
Luminance	0.1637 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257C80 #802925

analogous

#258056 #257C80 #254F80

triadic

#257C80 #80257C #7C8025

tetradic

#257C80 #562580 #802925 #4F8025

square

#257C80 #562580 #802925 #4F8025

split-complementary

#257C80 #80254F #805625

monochromatic

#0A2021 #174E51 #257C80 #33AAAF #52C8CD

Accessibility & contrast

On white

4.91

#257C80 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#257C80 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257C80

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257C80	#FFFFFF	#000000	##FFFFFF
##257C80	1.00	4.91	4.27	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#737680

Deuteranopia (green-blind)

#656C80

Tritanopia (blue-blind)

#00817D

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #257c80;
/* rgb */ color: rgb(37, 124, 128);
/* oklch */ color: oklch(53.8% 0.080 199.5);

Tailwind

colors: {
  custom: {
    50: '#6ea2a4',
    500: '#257c80',
    950: '#000000',
  },
}

SCSS

$custom: #257c80;
$custom-light: #6ea2a4;
$custom-dark: #000000;

JSON

{
  "hex": "#257c80",
  "rgb": {
    "r": 37,
    "g": 124,
    "b": 128
  },
  "hsl": {
    "h": 182.637,
    "s": 55.152,
    "l": 32.353
  },
  "oklch": {
    "l": 0.53805,
    "c": 0.07992,
    "h": 199.5
  },
  "luminance": 0.16367
}

Semantic roles & 50–950 ramp

primary

#257C80

secondary

#B15450

accent

#5049DE

background

#F7FAFA

surface

#EDF3F4

border

#C8CDCE

text

#080F0F

muted

#7B7F7F

Preview Lab

Preview with #257C80

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

Preview Lab → · Contrast checker → · Palette generator →