#258B99#258B99

#258B99 is a mid, moderate teal. Relative luminance 0.212; OKLCH L 58.7% C 0.091 H 208.6°. Best body text is #000000 at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#258B99
RGB	rgb(37, 139, 153)
HSL	hsl(187, 61%, 37%)
HSV	hsv(187, 76%, 60%)
CMYK	cmyk(75.8%, 9.2%, 0%, 40%)
CIE-LAB	lab(53.12, -23.34, -15.69)
CIE-LCH	lch(53.12, 28.13, 213.91°)
OKLab	oklab(58.68% -0.08 -0.0436)
OKLCH	oklch(58.68% 0.091 208.6)
XYZ	xyz(15.7428, 21.1566, 33.3847)
Luminance	0.2116 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258B99 #993325

analogous

#25996D #258B99 #255199

triadic

#258B99 #99258B #8B9925

tetradic

#258B99 #6D2599 #993325 #519925

square

#258B99 #6D2599 #993325 #519925

split-complementary

#258B99 #992551 #996D25

monochromatic

#0D3136 #195E68 #258B99 #31B8CA #60CAD9

Accessibility & contrast

On white

4.01

#258B99 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.23

#258B99 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258B99

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258B99	#FFFFFF	#000000	##000000
##258B99	1.00	4.01	5.23	5.23
#FFFFFF	4.01	1.00	21.00	21.00
#000000	5.23	21.00	1.00	1.00
##000000	5.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E869A

Deuteranopia (green-blind)

#6E7A99

Tritanopia (blue-blind)

#00928F

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #258b99;
/* rgb */ color: rgb(37, 139, 153);
/* oklch */ color: oklch(58.7% 0.091 208.6);

Tailwind

colors: {
  custom: {
    50: '#73adb7',
    500: '#258b99',
    950: '#000000',
  },
}

SCSS

$custom: #258b99;
$custom-light: #73adb7;
$custom-dark: #000000;

JSON

{
  "hex": "#258b99",
  "rgb": {
    "r": 37,
    "g": 139,
    "b": 153
  },
  "hsl": {
    "h": 187.241,
    "s": 61.053,
    "l": 37.255
  },
  "oklch": {
    "l": 0.5868,
    "c": 0.09111,
    "h": 208.6
  },
  "luminance": 0.21158
}

Semantic roles & 50–950 ramp

primary

#258B99

secondary

#BE685C

accent

#5744E4

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #258B99

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

Preview Lab → · Contrast checker → · Palette generator →