#258B5B#258B5B

#258B5B is a mid, moderate teal. Relative luminance 0.196; OKLCH L 56.7% C 0.118 H 158.0°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#258B5B
RGB	rgb(37, 139, 91)
HSL	hsl(152, 58%, 35%)
HSV	hsv(152, 73%, 55%)
CMYK	cmyk(73.4%, 0%, 34.5%, 45.5%)
CIE-LAB	lab(51.40, -40.49, 17.58)
CIE-LCH	lch(51.40, 44.14, 156.53°)
OKLab	oklab(56.7% -0.1098 0.0444)
OKLCH	oklch(56.7% 0.118 158)
XYZ	xyz(11.8827, 19.6125, 13.0548)
Luminance	0.1961 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258B5B #8B2555

analogous

#258B28 #258B5B #25888B

triadic

#258B5B #5B258B #8B5B25

tetradic

#258B5B #28258B #8B2555 #888B25

square

#258B5B #28258B #8B2555 #888B25

split-complementary

#258B5B #8B2588 #8B2825

monochromatic

#0B2A1C #185B3B #258B5B #32BB7B #58D399

Accessibility & contrast

On white

4.27

#258B5B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.92

#258B5B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258B5B

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258B5B	#FFFFFF	#000000	##000000
##258B5B	1.00	4.27	4.92	4.92
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.92	21.00	1.00	1.00
##000000	4.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A8058

Deuteranopia (green-blind)

#7D775E

Tritanopia (blue-blind)

#008A7E

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #258b5b;
/* rgb */ color: rgb(37, 139, 91);
/* oklch */ color: oklch(56.7% 0.118 158.0);

Tailwind

colors: {
  custom: {
    50: '#6fae89',
    500: '#258b5b',
    950: '#000000',
  },
}

SCSS

$custom: #258b5b;
$custom-light: #6fae89;
$custom-dark: #000000;

JSON

{
  "hex": "#258b5b",
  "rgb": {
    "r": 37,
    "g": 139,
    "b": 91
  },
  "hsl": {
    "h": 151.765,
    "s": 57.955,
    "l": 34.51
  },
  "oklch": {
    "l": 0.56703,
    "c": 0.11846,
    "h": 158
  },
  "luminance": 0.19614
}

Semantic roles & 50–950 ramp

primary

#258B5B

secondary

#B75583

accent

#478FE1

background

#F7FAF8

surface

#EDF4F0

border

#C8CECB

text

#08100B

muted

#7B7F7C

Preview Lab

Preview with #258B5B

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

Preview Lab → · Contrast checker → · Palette generator →