#258A99#258A99

#258A99 is a mid, moderate teal. Relative luminance 0.209; OKLCH L 58.4% C 0.091 H 209.7°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#258A99
RGB	rgb(37, 138, 153)
HSL	hsl(188, 61%, 37%)
HSV	hsv(188, 76%, 60%)
CMYK	cmyk(75.8%, 9.8%, 0%, 40%)
CIE-LAB	lab(52.81, -22.82, -16.17)
CIE-LCH	lch(52.81, 27.97, 215.31°)
OKLab	oklab(58.43% -0.079 -0.045)
OKLCH	oklch(58.43% 0.091 209.7)
XYZ	xyz(15.5987, 20.8683, 33.3367)
Luminance	0.2087 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258A99 #993425

analogous

#25996E #258A99 #255099

triadic

#258A99 #99258A #8A9925

tetradic

#258A99 #6E2599 #993425 #509925

square

#258A99 #6E2599 #993425 #509925

split-complementary

#258A99 #992550 #996E25

monochromatic

#0D3136 #195E68 #258A99 #31B6CA #60C9D9

Accessibility & contrast

On white

4.06

#258A99 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.17

#258A99 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258A99

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258A99	#FFFFFF	#000000	##000000
##258A99	1.00	4.06	5.17	5.17
#FFFFFF	4.06	1.00	21.00	21.00
#000000	5.17	21.00	1.00	1.00
##000000	5.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D859A

Deuteranopia (green-blind)

#6D7999

Tritanopia (blue-blind)

#00918F

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #258a99;
/* rgb */ color: rgb(37, 138, 153);
/* oklch */ color: oklch(58.4% 0.091 209.7);

Tailwind

colors: {
  custom: {
    50: '#73acb7',
    500: '#258a99',
    950: '#000000',
  },
}

SCSS

$custom: #258a99;
$custom-light: #73acb7;
$custom-dark: #000000;

JSON

{
  "hex": "#258a99",
  "rgb": {
    "r": 37,
    "g": 138,
    "b": 153
  },
  "hsl": {
    "h": 187.759,
    "s": 61.053,
    "l": 37.255
  },
  "oklch": {
    "l": 0.58425,
    "c": 0.09087,
    "h": 209.7
  },
  "luminance": 0.2087
}

Semantic roles & 50–950 ramp

primary

#258A99

secondary

#BE695C

accent

#5844E4

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #258A99

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

Preview Lab → · Contrast checker → · Palette generator →