#258B8D#258B8D

#258B8D is a mid, moderate teal. Relative luminance 0.208; OKLCH L 58.2% C 0.089 H 197.0°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#258B8D
RGB	rgb(37, 139, 141)
HSL	hsl(181, 58%, 35%)
HSV	hsv(181, 74%, 55%)
CMYK	cmyk(73.8%, 1.4%, 0%, 44.7%)
CIE-LAB	lab(52.71, -27.15, -9.36)
CIE-LCH	lch(52.71, 28.72, 199.02°)
OKLab	oklab(58.21% -0.0853 -0.026)
OKLCH	oklch(58.21% 0.089 197)
XYZ	xyz(14.8011, 20.7799, 28.4250)
Luminance	0.2078 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258B8D #8D2725

analogous

#258D5B #258B8D #25578D

triadic

#258B8D #8D258B #8B8D25

tetradic

#258B8D #5B258D #8D2725 #578D25

square

#258B8D #5B258D #8D2725 #578D25

split-complementary

#258B8D #8D2557 #8D5B25

monochromatic

#0C2B2C #185B5D #258B8D #32BBBD #59D1D3

Accessibility & contrast

On white

4.07

#258B8D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.16

#258B8D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258B8D

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258B8D	#FFFFFF	#000000	##000000
##258B8D	1.00	4.07	5.16	5.16
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.16	21.00	1.00	1.00
##000000	5.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#81848D

Deuteranopia (green-blind)

#72798E

Tritanopia (blue-blind)

#00908B

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #258b8d;
/* rgb */ color: rgb(37, 139, 141);
/* oklch */ color: oklch(58.2% 0.089 197.0);

Tailwind

colors: {
  custom: {
    50: '#71adae',
    500: '#258b8d',
    950: '#000000',
  },
}

SCSS

$custom: #258b8d;
$custom-light: #71adae;
$custom-dark: #000000;

JSON

{
  "hex": "#258b8d",
  "rgb": {
    "r": 37,
    "g": 139,
    "b": 141
  },
  "hsl": {
    "h": 181.154,
    "s": 58.427,
    "l": 34.902
  },
  "oklch": {
    "l": 0.58209,
    "c": 0.08921,
    "h": 197
  },
  "luminance": 0.20782
}

Semantic roles & 50–950 ramp

primary

#258B8D

secondary

#B85856

accent

#4946E2

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #258B8D

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

Preview Lab → · Contrast checker → · Palette generator →