#258D81#258D81

#258D81 is a mid, moderate teal. Relative luminance 0.210; OKLCH L 58.3% C 0.093 H 183.6°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#258D81
RGB	rgb(37, 141, 129)
HSL	hsl(173, 58%, 35%)
HSV	hsv(173, 74%, 55%)
CMYK	cmyk(73.8%, 0%, 8.5%, 44.7%)
CIE-LAB	lab(52.98, -31.71, -2.01)
CIE-LCH	lch(52.98, 31.77, 183.62°)
OKLab	oklab(58.31% -0.0931 -0.0059)
OKLCH	oklch(58.31% 0.093 183.6)
XYZ	xyz(14.2484, 21.0264, 24.0722)
Luminance	0.2103 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258D81 #8D2531

analogous

#258D4D #258D81 #25658D

triadic

#258D81 #81258D #8D8125

tetradic

#258D81 #4D258D #8D2531 #658D25

square

#258D81 #4D258D #8D2531 #658D25

split-complementary

#258D81 #8D2565 #8D4D25

monochromatic

#0C2C28 #185D55 #258D81 #32BDAD #59D3C5

Accessibility & contrast

On white

4.03

#258D81 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.21

#258D81 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258D81

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258D81	#FFFFFF	#000000	##000000
##258D81	1.00	4.03	5.21	5.21
#FFFFFF	4.03	1.00	21.00	21.00
#000000	5.21	21.00	1.00	1.00
##000000	5.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#868581

Deuteranopia (green-blind)

#777A82

Tritanopia (blue-blind)

#009089

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #258d81;
/* rgb */ color: rgb(37, 141, 129);
/* oklch */ color: oklch(58.3% 0.093 183.6);

Tailwind

colors: {
  custom: {
    50: '#71afa5',
    500: '#258d81',
    950: '#000000',
  },
}

SCSS

$custom: #258d81;
$custom-light: #71afa5;
$custom-dark: #000000;

JSON

{
  "hex": "#258d81",
  "rgb": {
    "r": 37,
    "g": 141,
    "b": 129
  },
  "hsl": {
    "h": 173.077,
    "s": 58.427,
    "l": 34.902
  },
  "oklch": {
    "l": 0.58306,
    "c": 0.09328,
    "h": 183.6
  },
  "luminance": 0.21028
}

Semantic roles & 50–950 ramp

primary

#258D81

secondary

#B85661

accent

#4658E2

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#09100F

muted

#7B7F7F

Preview Lab

Preview with #258D81

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

Preview Lab → · Contrast checker → · Palette generator →