#258C9B#258C9B

#258C9B is a mid, moderate teal. Relative luminance 0.215; OKLCH L 59.0% C 0.092 H 209.5°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#258C9B
RGB	rgb(37, 140, 155)
HSL	hsl(188, 61%, 38%)
HSV	hsv(188, 76%, 61%)
CMYK	cmyk(76.1%, 9.7%, 0%, 39.2%)
CIE-LAB	lab(53.51, -23.21, -16.26)
CIE-LCH	lch(53.51, 28.34, 215.01°)
OKLab	oklab(59.02% -0.0801 -0.0452)
OKLCH	oklch(59.02% 0.092 209.5)
XYZ	xyz(16.0549, 21.5141, 34.3105)
Luminance	0.2152 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258C9B #9B3425

analogous

#259B6F #258C9B #25519B

triadic

#258C9B #9B258C #8C9B25

tetradic

#258C9B #6F259B #9B3425 #519B25

square

#258C9B #6F259B #9B3425 #519B25

split-complementary

#258C9B #9B2551 #9B6F25

monochromatic

#0D3338 #195F6A #258C9B #31B9CC #61CAD9

Accessibility & contrast

On white

3.96

#258C9B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#258C9B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258C9B

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258C9B	#FFFFFF	#000000	##000000
##258C9B	1.00	3.96	5.30	5.30
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.30	21.00	1.00	1.00
##000000	5.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F879C

Deuteranopia (green-blind)

#6F7B9B

Tritanopia (blue-blind)

#009390

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #258c9b;
/* rgb */ color: rgb(37, 140, 155);
/* oklch */ color: oklch(59.0% 0.092 209.5);

Tailwind

colors: {
  custom: {
    50: '#73aeb8',
    500: '#258c9b',
    950: '#000000',
  },
}

SCSS

$custom: #258c9b;
$custom-light: #73aeb8;
$custom-dark: #000000;

JSON

{
  "hex": "#258c9b",
  "rgb": {
    "r": 37,
    "g": 140,
    "b": 155
  },
  "hsl": {
    "h": 187.627,
    "s": 61.458,
    "l": 37.647
  },
  "oklch": {
    "l": 0.59016,
    "c": 0.09202,
    "h": 209.5
  },
  "luminance": 0.21516
}

Semantic roles & 50–950 ramp

primary

#258C9B

secondary

#BF6A5D

accent

#5843E5

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #258C9B

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

Preview Lab → · Contrast checker → · Palette generator →