#258581#258581

#258581 is a mid, moderate teal. Relative luminance 0.188; OKLCH L 56.2% C 0.086 H 190.9°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#258581
RGB	rgb(37, 133, 129)
HSL	hsl(178, 56%, 33%)
HSV	hsv(178, 72%, 52%)
CMYK	cmyk(72.2%, 0%, 3%, 47.8%)
CIE-LAB	lab(50.40, -27.84, -5.82)
CIE-LCH	lch(50.40, 28.44, 191.81°)
OKLab	oklab(56.2% -0.0846 -0.0162)
OKLCH	oklch(56.2% 0.086 190.9)
XYZ	xyz(13.1111, 18.7518, 23.6931)
Luminance	0.1875 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258581 #852529

analogous

#258551 #258581 #255985

triadic

#258581 #812585 #858125

tetradic

#258581 #512585 #852529 #598525

square

#258581 #512585 #852529 #598525

split-complementary

#258581 #852559 #855125

monochromatic

#0A2524 #185553 #258581 #32B5AF #55D0CB

Accessibility & contrast

On white

4.42

#258581 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#258581 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258581

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258581	#FFFFFF	#000000	##000000
##258581	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D7E81

Deuteranopia (green-blind)

#6F7482

Tritanopia (blue-blind)

#008984

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #258581;
/* rgb */ color: rgb(37, 133, 129);
/* oklch */ color: oklch(56.2% 0.086 190.9);

Tailwind

colors: {
  custom: {
    50: '#6fa9a5',
    500: '#258581',
    950: '#000000',
  },
}

SCSS

$custom: #258581;
$custom-light: #6fa9a5;
$custom-dark: #000000;

JSON

{
  "hex": "#258581",
  "rgb": {
    "r": 37,
    "g": 133,
    "b": 129
  },
  "hsl": {
    "h": 177.5,
    "s": 56.471,
    "l": 33.333
  },
  "oklch": {
    "l": 0.56204,
    "c": 0.08612,
    "h": 190.9
  },
  "luminance": 0.18753
}

Semantic roles & 50–950 ramp

primary

#258581

secondary

#B45256

accent

#484EE0

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#08100F

muted

#7B7F7F

Preview Lab

Preview with #258581

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

Preview Lab → · Contrast checker → · Palette generator →