#257F8D#257F8D

#257F8D is a mid, moderate teal. Relative luminance 0.175; OKLCH L 55.1% C 0.084 H 210.1°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#257F8D
RGB	rgb(37, 127, 141)
HSL	hsl(188, 58%, 35%)
HSV	hsv(188, 74%, 55%)
CMYK	cmyk(73.8%, 9.9%, 0%, 44.7%)
CIE-LAB	lab(48.88, -20.98, -15.14)
CIE-LCH	lch(48.88, 25.88, 215.81°)
OKLab	oklab(55.11% -0.0727 -0.0421)
OKLCH	oklch(55.11% 0.084 210.1)
XYZ	xyz(13.1580, 17.4936, 27.8773)
Luminance	0.1749 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257F8D #8D3325

analogous

#258D67 #257F8D #254B8D

triadic

#257F8D #8D257F #7F8D25

tetradic

#257F8D #67258D #8D3325 #4B8D25

square

#257F8D #67258D #8D3325 #4B8D25

split-complementary

#257F8D #8D254B #8D6725

monochromatic

#0C282C #18535D #257F8D #32ABBD #59C3D3

Accessibility & contrast

On white

4.67

#257F8D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#257F8D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #257F8D

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257F8D	#FFFFFF	#000000	##FFFFFF
##257F8D	1.00	4.67	4.50	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#737A8E

Deuteranopia (green-blind)

#64708D

Tritanopia (blue-blind)

#008583

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #257f8d;
/* rgb */ color: rgb(37, 127, 141);
/* oklch */ color: oklch(55.1% 0.084 210.1);

Tailwind

colors: {
  custom: {
    50: '#70a4ae',
    500: '#257f8d',
    950: '#000000',
  },
}

SCSS

$custom: #257f8d;
$custom-light: #70a4ae;
$custom-dark: #000000;

JSON

{
  "hex": "#257f8d",
  "rgb": {
    "r": 37,
    "g": 127,
    "b": 141
  },
  "hsl": {
    "h": 188.077,
    "s": 58.427,
    "l": 34.902
  },
  "oklch": {
    "l": 0.55109,
    "c": 0.08402,
    "h": 210.1
  },
  "luminance": 0.17495
}

Semantic roles & 50–950 ramp

primary

#257F8D

secondary

#B86356

accent

#5B46E2

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#080F10

muted

#7B7F7F

Preview Lab

Preview with #257F8D

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

Preview Lab → · Contrast checker → · Palette generator →