#257E8D#257E8D

#257E8D is a mid, moderate teal. Relative luminance 0.172; OKLCH L 54.9% C 0.084 H 211.3°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#257E8D
RGB	rgb(37, 126, 141)
HSL	hsl(189, 58%, 35%)
HSV	hsv(189, 74%, 55%)
CMYK	cmyk(73.8%, 10.6%, 0%, 44.7%)
CIE-LAB	lab(48.56, -20.45, -15.63)
CIE-LCH	lch(48.56, 25.74, 217.38°)
OKLab	oklab(54.85% -0.0716 -0.0435)
OKLCH	oklch(54.85% 0.084 211.3)
XYZ	xyz(13.0295, 17.2366, 27.8344)
Luminance	0.1724 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257E8D #8D3425

analogous

#258D68 #257E8D #254A8D

triadic

#257E8D #8D257E #7E8D25

tetradic

#257E8D #68258D #8D3425 #4A8D25

square

#257E8D #68258D #8D3425 #4A8D25

split-complementary

#257E8D #8D254A #8D6825

monochromatic

#0C272C #18535D #257E8D #32A9BD #59C2D3

Accessibility & contrast

On white

4.72

#257E8D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#257E8D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257E8D

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257E8D	#FFFFFF	#000000	##FFFFFF
##257E8D	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#72798E

Deuteranopia (green-blind)

#636F8D

Tritanopia (blue-blind)

#008483

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #257e8d;
/* rgb */ color: rgb(37, 126, 141);
/* oklch */ color: oklch(54.9% 0.084 211.3);

Tailwind

colors: {
  custom: {
    50: '#70a3ae',
    500: '#257e8d',
    950: '#000000',
  },
}

SCSS

$custom: #257e8d;
$custom-light: #70a3ae;
$custom-dark: #000000;

JSON

{
  "hex": "#257e8d",
  "rgb": {
    "r": 37,
    "g": 126,
    "b": 141
  },
  "hsl": {
    "h": 188.654,
    "s": 58.427,
    "l": 34.902
  },
  "oklch": {
    "l": 0.54852,
    "c": 0.08382,
    "h": 211.3
  },
  "luminance": 0.17238
}

Semantic roles & 50–950 ramp

primary

#257E8D

secondary

#B86456

accent

#5D46E2

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#080F10

muted

#7B7F7F

Preview Lab

Preview with #257E8D

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

Preview Lab → · Contrast checker → · Palette generator →