#258B82#258B82

#258B82 is a mid, moderate teal. Relative luminance 0.205; OKLCH L 57.8% C 0.091 H 186.3°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#258B82
RGB	rgb(37, 139, 130)
HSL	hsl(175, 58%, 35%)
HSV	hsv(175, 73%, 55%)
CMYK	cmyk(73.4%, 0%, 6.5%, 45.5%)
CIE-LAB	lab(52.36, -30.47, -3.49)
CIE-LCH	lch(52.36, 30.66, 186.54°)
OKLab	oklab(57.81% -0.0905 -0.0099)
OKLCH	oklch(57.81% 0.091 186.3)
XYZ	xyz(14.0229, 20.4686, 24.3265)
Luminance	0.2047 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258B82 #8B252E

analogous

#258B4F #258B82 #25618B

triadic

#258B82 #82258B #8B8225

tetradic

#258B82 #4F258B #8B252E #618B25

square

#258B82 #4F258B #8B252E #618B25

split-complementary

#258B82 #8B2561 #8B4F25

monochromatic

#0B2A28 #185B55 #258B82 #32BBAF #58D3C8

Accessibility & contrast

On white

4.12

#258B82 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#258B82 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258B82

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258B82	#FFFFFF	#000000	##000000
##258B82	1.00	4.12	5.09	5.09
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#838382

Deuteranopia (green-blind)

#757883

Tritanopia (blue-blind)

#008E88

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #258b82;
/* rgb */ color: rgb(37, 139, 130);
/* oklch */ color: oklch(57.8% 0.091 186.3);

Tailwind

colors: {
  custom: {
    50: '#70ada6',
    500: '#258b82',
    950: '#000000',
  },
}

SCSS

$custom: #258b82;
$custom-light: #70ada6;
$custom-dark: #000000;

JSON

{
  "hex": "#258b82",
  "rgb": {
    "r": 37,
    "g": 139,
    "b": 130
  },
  "hsl": {
    "h": 174.706,
    "s": 57.955,
    "l": 34.51
  },
  "oklch": {
    "l": 0.57814,
    "c": 0.09103,
    "h": 186.3
  },
  "luminance": 0.2047
}

Semantic roles & 50–950 ramp

primary

#258B82

secondary

#B7555D

accent

#4754E1

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#09100F

muted

#7B7F7F

Preview Lab

Preview with #258B82

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

Preview Lab → · Contrast checker → · Palette generator →