#257F8F#257F8F

#257F8F is a mid, moderate teal. Relative luminance 0.176; OKLCH L 55.2% C 0.085 H 212.1°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#257F8F
RGB	rgb(37, 127, 143)
HSL	hsl(189, 59%, 35%)
HSV	hsv(189, 74%, 56%)
CMYK	cmyk(74.1%, 11.2%, 0%, 43.9%)
CIE-LAB	lab(48.95, -20.32, -16.20)
CIE-LCH	lch(48.95, 25.99, 218.56°)
OKLab	oklab(55.19% -0.0718 -0.0451)
OKLCH	oklch(55.19% 0.085 212.1)
XYZ	xyz(13.3081, 17.5537, 28.6681)
Luminance	0.1756 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257F8F #8F3525

analogous

#258F6A #257F8F #254A8F

triadic

#257F8F #8F257F #7F8F25

tetradic

#257F8F #6A258F #8F3525 #4A8F25

square

#257F8F #6A258F #8F3525 #4A8F25

split-complementary

#257F8F #8F254A #8F6A25

monochromatic

#0C292E #18545E #257F8F #32AAC0 #5AC2D4

Accessibility & contrast

On white

4.66

#257F8F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#257F8F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #257F8F

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257F8F	#FFFFFF	#000000	##FFFFFF
##257F8F	1.00	4.66	4.51	4.66
#FFFFFF	4.66	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#737A90

Deuteranopia (green-blind)

#64708F

Tritanopia (blue-blind)

#008684

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #257f8f;
/* rgb */ color: rgb(37, 127, 143);
/* oklch */ color: oklch(55.2% 0.085 212.1);

Tailwind

colors: {
  custom: {
    50: '#70a4af',
    500: '#257f8f',
    950: '#000000',
  },
}

SCSS

$custom: #257f8f;
$custom-light: #70a4af;
$custom-dark: #000000;

JSON

{
  "hex": "#257f8f",
  "rgb": {
    "r": 37,
    "g": 127,
    "b": 143
  },
  "hsl": {
    "h": 189.057,
    "s": 58.889,
    "l": 35.294
  },
  "oklch": {
    "l": 0.55194,
    "c": 0.08483,
    "h": 212.1
  },
  "luminance": 0.17555
}

Semantic roles & 50–950 ramp

primary

#257F8F

secondary

#B96657

accent

#5D46E2

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#090F10

muted

#7B7F7F

Preview Lab

Preview with #257F8F

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

Preview Lab → · Contrast checker → · Palette generator →