#257E8E#257E8E

#257E8E is a mid, moderate teal. Relative luminance 0.173; OKLCH L 54.9% C 0.084 H 212.3°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#257E8E
RGB	rgb(37, 126, 142)
HSL	hsl(189, 59%, 35%)
HSV	hsv(189, 74%, 56%)
CMYK	cmyk(73.9%, 11.3%, 0%, 44.3%)
CIE-LAB	lab(48.59, -20.12, -16.16)
CIE-LCH	lch(48.59, 25.81, 218.77°)
OKLab	oklab(54.89% -0.0712 -0.045)
OKLCH	oklch(54.89% 0.084 212.3)
XYZ	xyz(13.1042, 17.2665, 28.2281)
Luminance	0.1727 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257E8E #8E3525

analogous

#258E6A #257E8E #25498E

triadic

#257E8E #8E257E #7E8E25

tetradic

#257E8E #6A258E #8E3525 #498E25

square

#257E8E #6A258E #8E3525 #498E25

split-complementary

#257E8E #8E2549 #8E6A25

monochromatic

#0C282D #18535D #257E8E #32A9BF #5AC1D4

Accessibility & contrast

On white

4.72

#257E8E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#257E8E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257E8E

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257E8E	#FFFFFF	#000000	##FFFFFF
##257E8E	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)

#727A8F

Deuteranopia (green-blind)

#636F8E

Tritanopia (blue-blind)

#008583

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #257e8e;
/* rgb */ color: rgb(37, 126, 142);
/* oklch */ color: oklch(54.9% 0.084 212.3);

Tailwind

colors: {
  custom: {
    50: '#70a3af',
    500: '#257e8e',
    950: '#000000',
  },
}

SCSS

$custom: #257e8e;
$custom-light: #70a3af;
$custom-dark: #000000;

JSON

{
  "hex": "#257e8e",
  "rgb": {
    "r": 37,
    "g": 126,
    "b": 142
  },
  "hsl": {
    "h": 189.143,
    "s": 58.659,
    "l": 35.098
  },
  "oklch": {
    "l": 0.54894,
    "c": 0.08423,
    "h": 212.3
  },
  "luminance": 0.17268
}

Semantic roles & 50–950 ramp

primary

#257E8E

secondary

#B96556

accent

#5E46E2

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#090F10

muted

#7B7F7F

Preview Lab

Preview with #257E8E

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

Preview Lab → · Contrast checker → · Palette generator →