#257E89#257E89

#257E89 is a mid, moderate teal. Relative luminance 0.171; OKLCH L 54.7% C 0.082 H 207.1°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#257E89
RGB	rgb(37, 126, 137)
HSL	hsl(187, 57%, 34%)
HSV	hsv(187, 73%, 54%)
CMYK	cmyk(73%, 8%, 0%, 46.3%)
CIE-LAB	lab(48.41, -21.76, -13.49)
CIE-LCH	lch(48.41, 25.61, 211.80°)
OKLab	oklab(54.68% -0.0734 -0.0375)
OKLCH	oklch(54.68% 0.082 207.1)
XYZ	xyz(12.7372, 17.1197, 26.2952)
Luminance	0.1712 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257E89 #893025

analogous

#258962 #257E89 #254C89

triadic

#257E89 #89257E #7E8925

tetradic

#257E89 #622589 #893025 #4C8925

square

#257E89 #622589 #893025 #4C8925

split-complementary

#257E89 #89254C #896225

monochromatic

#0B2529 #185259 #257E89 #32AAB9 #57C4D2

Accessibility & contrast

On white

4.75

#257E89 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#257E89 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257E89

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257E89	#FFFFFF	#000000	##FFFFFF
##257E89	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#73798A

Deuteranopia (green-blind)

#656E89

Tritanopia (blue-blind)

#008481

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #257e89;
/* rgb */ color: rgb(37, 126, 137);
/* oklch */ color: oklch(54.7% 0.082 207.1);

Tailwind

colors: {
  custom: {
    50: '#6fa3ab',
    500: '#257e89',
    950: '#000000',
  },
}

SCSS

$custom: #257e89;
$custom-light: #6fa3ab;
$custom-dark: #000000;

JSON

{
  "hex": "#257e89",
  "rgb": {
    "r": 37,
    "g": 126,
    "b": 137
  },
  "hsl": {
    "h": 186.6,
    "s": 57.471,
    "l": 34.118
  },
  "oklch": {
    "l": 0.54685,
    "c": 0.08242,
    "h": 207.1
  },
  "luminance": 0.17121
}

Semantic roles & 50–950 ramp

primary

#257E89

secondary

#B65F54

accent

#5847E1

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#080F10

muted

#7B7F7F

Preview Lab

Preview with #257E89

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

Preview Lab → · Contrast checker → · Palette generator →