#258F99#258F99

#258F99 is a mid, moderate teal. Relative luminance 0.223; OKLCH L 59.7% C 0.092 H 204.5°. Best body text is #000000 at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#258F99
RGB	rgb(37, 143, 153)
HSL	hsl(185, 61%, 37%)
HSV	hsv(185, 76%, 60%)
CMYK	cmyk(75.8%, 6.5%, 0%, 40%)
CIE-LAB	lab(54.38, -25.39, -13.78)
CIE-LCH	lch(54.38, 28.89, 208.49°)
OKLab	oklab(59.7% -0.0841 -0.0383)
OKLCH	oklch(59.7% 0.092 204.5)
XYZ	xyz(16.3326, 22.3362, 33.5813)
Luminance	0.2234 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258F99 #992F25

analogous

#259969 #258F99 #255599

triadic

#258F99 #99258F #8F9925

tetradic

#258F99 #692599 #992F25 #559925

square

#258F99 #692599 #992F25 #559925

split-complementary

#258F99 #992555 #996925

monochromatic

#0D3336 #196168 #258F99 #31BDCA #60CED9

Accessibility & contrast

On white

3.84

#258F99 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.47

#258F99 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258F99

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258F99	#FFFFFF	#000000	##000000
##258F99	1.00	3.84	5.47	5.47
#FFFFFF	3.84	1.00	21.00	21.00
#000000	5.47	21.00	1.00	1.00
##000000	5.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#83899A

Deuteranopia (green-blind)

#737D99

Tritanopia (blue-blind)

#009592

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #258f99;
/* rgb */ color: rgb(37, 143, 153);
/* oklch */ color: oklch(59.7% 0.092 204.5);

Tailwind

colors: {
  custom: {
    50: '#73b0b7',
    500: '#258f99',
    950: '#000000',
  },
}

SCSS

$custom: #258f99;
$custom-light: #73b0b7;
$custom-dark: #000000;

JSON

{
  "hex": "#258f99",
  "rgb": {
    "r": 37,
    "g": 143,
    "b": 153
  },
  "hsl": {
    "h": 185.172,
    "s": 61.053,
    "l": 37.255
  },
  "oklch": {
    "l": 0.59699,
    "c": 0.09238,
    "h": 204.5
  },
  "luminance": 0.22338
}

Semantic roles & 50–950 ramp

primary

#258F99

secondary

#BE655C

accent

#5144E4

background

#F7FAFB

surface

#EEF5F6

border

#C9CFD0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #258F99

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

Preview Lab → · Contrast checker → · Palette generator →