#258B8A#258B8A

#258B8A is a mid, moderate teal. Relative luminance 0.207; OKLCH L 58.1% C 0.089 H 194.0°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#258B8A
RGB	rgb(37, 139, 138)
HSL	hsl(179, 58%, 35%)
HSV	hsv(179, 73%, 55%)
CMYK	cmyk(73.4%, 0%, 0.7%, 45.5%)
CIE-LAB	lab(52.61, -28.07, -7.77)
CIE-LCH	lch(52.61, 29.13, 195.46°)
OKLab	oklab(58.1% -0.0867 -0.0216)
OKLCH	oklch(58.1% 0.089 194)
XYZ	xyz(14.5809, 20.6918, 27.2653)
Luminance	0.2069 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258B8A #8B2526

analogous

#258B57 #258B8A #25598B

triadic

#258B8A #8A258B #8B8A25

tetradic

#258B8A #57258B #8B2526 #598B25

square

#258B8A #57258B #8B2526 #598B25

split-complementary

#258B8A #8B2559 #8B5725

monochromatic

#0B2A2A #185B5A #258B8A #32BBBA #58D3D1

Accessibility & contrast

On white

4.09

#258B8A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.14

#258B8A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258B8A

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258B8A	#FFFFFF	#000000	##000000
##258B8A	1.00	4.09	5.14	5.14
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.14	21.00	1.00	1.00
##000000	5.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#82848A

Deuteranopia (green-blind)

#73798B

Tritanopia (blue-blind)

#008F8A

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #258b8a;
/* rgb */ color: rgb(37, 139, 138);
/* oklch */ color: oklch(58.1% 0.089 194.0);

Tailwind

colors: {
  custom: {
    50: '#71adac',
    500: '#258b8a',
    950: '#000000',
  },
}

SCSS

$custom: #258b8a;
$custom-light: #71adac;
$custom-dark: #000000;

JSON

{
  "hex": "#258b8a",
  "rgb": {
    "r": 37,
    "g": 139,
    "b": 138
  },
  "hsl": {
    "h": 179.412,
    "s": 57.955,
    "l": 34.51
  },
  "oklch": {
    "l": 0.58098,
    "c": 0.08936,
    "h": 194
  },
  "luminance": 0.20694
}

Semantic roles & 50–950 ramp

primary

#258B8A

secondary

#B75556

accent

#4748E1

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #258B8A

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

Preview Lab → · Contrast checker → · Palette generator →