#258E99#258E99

#258E99 is a mid, moderate teal. Relative luminance 0.220; OKLCH L 59.4% C 0.092 H 205.5°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#258E99
RGB	rgb(37, 142, 153)
HSL	hsl(186, 61%, 37%)
HSV	hsv(186, 76%, 60%)
CMYK	cmyk(75.8%, 7.2%, 0%, 40%)
CIE-LAB	lab(54.07, -24.88, -14.26)
CIE-LCH	lch(54.07, 28.68, 209.81°)
OKLab	oklab(59.44% -0.083 -0.0396)
OKLCH	oklch(59.44% 0.092 205.5)
XYZ	xyz(16.1832, 22.0373, 33.5315)
Luminance	0.2204 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258E99 #993025

analogous

#25996A #258E99 #255499

triadic

#258E99 #99258E #8E9925

tetradic

#258E99 #6A2599 #993025 #549925

square

#258E99 #6A2599 #993025 #549925

split-complementary

#258E99 #992554 #996A25

monochromatic

#0D3336 #196068 #258E99 #31BCCA #60CDD9

Accessibility & contrast

On white

3.88

#258E99 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#258E99 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258E99

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258E99	#FFFFFF	#000000	##000000
##258E99	1.00	3.88	5.41	5.41
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.41	21.00	1.00	1.00
##000000	5.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#82889A

Deuteranopia (green-blind)

#727C99

Tritanopia (blue-blind)

#009491

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #258e99;
/* rgb */ color: rgb(37, 142, 153);
/* oklch */ color: oklch(59.4% 0.092 205.5);

Tailwind

colors: {
  custom: {
    50: '#73afb7',
    500: '#258e99',
    950: '#000000',
  },
}

SCSS

$custom: #258e99;
$custom-light: #73afb7;
$custom-dark: #000000;

JSON

{
  "hex": "#258e99",
  "rgb": {
    "r": 37,
    "g": 142,
    "b": 153
  },
  "hsl": {
    "h": 185.69,
    "s": 61.053,
    "l": 37.255
  },
  "oklch": {
    "l": 0.59444,
    "c": 0.09202,
    "h": 205.5
  },
  "luminance": 0.22039
}

Semantic roles & 50–950 ramp

primary

#258E99

secondary

#BE655C

accent

#5344E4

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #258E99

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

Preview Lab → · Contrast checker → · Palette generator →