#257E85#257E85

#257E85 is a mid, moderate teal. Relative luminance 0.170; OKLCH L 54.5% C 0.082 H 202.7°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#257E85
RGB	rgb(37, 126, 133)
HSL	hsl(184, 56%, 33%)
HSV	hsv(184, 72%, 52%)
CMYK	cmyk(72.2%, 5.3%, 0%, 47.8%)
CIE-LAB	lab(48.27, -23.05, -11.35)
CIE-LCH	lch(48.27, 25.70, 206.22°)
OKLab	oklab(54.52% -0.0752 -0.0315)
OKLCH	oklch(54.52% 0.082 202.7)
XYZ	xyz(12.4556, 17.0070, 24.8120)
Luminance	0.1701 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257E85 #852C25

analogous

#25855C #257E85 #254E85

triadic

#257E85 #85257E #7E8525

tetradic

#257E85 #5C2585 #852C25 #4E8525

square

#257E85 #5C2585 #852C25 #4E8525

split-complementary

#257E85 #85254E #855C25

monochromatic

#0A2325 #185155 #257E85 #32ABB5 #55C7D0

Accessibility & contrast

On white

4.77

#257E85 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#257E85 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257E85

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257E85	#FFFFFF	#000000	##FFFFFF
##257E85	1.00	4.77	4.40	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#747886

Deuteranopia (green-blind)

#666E85

Tritanopia (blue-blind)

#008380

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #257e85;
/* rgb */ color: rgb(37, 126, 133);
/* oklch */ color: oklch(54.5% 0.082 202.7);

Tailwind

colors: {
  custom: {
    50: '#6fa3a8',
    500: '#257e85',
    950: '#000000',
  },
}

SCSS

$custom: #257e85;
$custom-light: #6fa3a8;
$custom-dark: #000000;

JSON

{
  "hex": "#257e85",
  "rgb": {
    "r": 37,
    "g": 126,
    "b": 133
  },
  "hsl": {
    "h": 184.375,
    "s": 56.471,
    "l": 33.333
  },
  "oklch": {
    "l": 0.54524,
    "c": 0.08153,
    "h": 202.7
  },
  "luminance": 0.17008
}

Semantic roles & 50–950 ramp

primary

#257E85

secondary

#B45952

accent

#5348E0

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#080F0F

muted

#7B7F7F

Preview Lab

Preview with #257E85

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

Preview Lab → · Contrast checker → · Palette generator →