#258D99#258D99

#258D99 is a mid, moderate teal. Relative luminance 0.217; OKLCH L 59.2% C 0.092 H 206.5°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#258D99
RGB	rgb(37, 141, 153)
HSL	hsl(186, 61%, 37%)
HSV	hsv(186, 76%, 60%)
CMYK	cmyk(75.8%, 7.8%, 0%, 40%)
CIE-LAB	lab(53.75, -24.37, -14.73)
CIE-LCH	lch(53.75, 28.48, 211.15°)
OKLab	oklab(59.19% -0.082 -0.041)
OKLCH	oklch(59.19% 0.092 206.5)
XYZ	xyz(16.0351, 21.7410, 33.4821)
Luminance	0.2174 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258D99 #993125

analogous

#25996B #258D99 #255399

triadic

#258D99 #99258D #8D9925

tetradic

#258D99 #6B2599 #993125 #539925

square

#258D99 #6B2599 #993125 #539925

split-complementary

#258D99 #992553 #996B25

monochromatic

#0D3236 #196068 #258D99 #31BACA #60CCD9

Accessibility & contrast

On white

3.93

#258D99 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#258D99 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258D99

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258D99	#FFFFFF	#000000	##000000
##258D99	1.00	3.93	5.35	5.35
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#81879A

Deuteranopia (green-blind)

#707B99

Tritanopia (blue-blind)

#009391

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #258d99;
/* rgb */ color: rgb(37, 141, 153);
/* oklch */ color: oklch(59.2% 0.092 206.5);

Tailwind

colors: {
  custom: {
    50: '#73aeb7',
    500: '#258d99',
    950: '#000000',
  },
}

SCSS

$custom: #258d99;
$custom-light: #73aeb7;
$custom-dark: #000000;

JSON

{
  "hex": "#258d99",
  "rgb": {
    "r": 37,
    "g": 141,
    "b": 153
  },
  "hsl": {
    "h": 186.207,
    "s": 61.053,
    "l": 37.255
  },
  "oklch": {
    "l": 0.59189,
    "c": 0.09168,
    "h": 206.5
  },
  "luminance": 0.21743
}

Semantic roles & 50–950 ramp

primary

#258D99

secondary

#BE665C

accent

#5444E4

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #258D99

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

Preview Lab → · Contrast checker → · Palette generator →