#258D8B#258D8B

#258D8B is a mid, moderate teal. Relative luminance 0.213; OKLCH L 58.7% C 0.091 H 193.0°. Best body text is #000000 at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#258D8B
RGB	rgb(37, 141, 139)
HSL	hsl(179, 58%, 35%)
HSV	hsv(179, 74%, 55%)
CMYK	cmyk(73.8%, 0%, 1.4%, 44.7%)
CIE-LAB	lab(53.28, -28.75, -7.34)
CIE-LCH	lch(53.28, 29.68, 194.33°)
OKLab	oklab(58.65% -0.0883 -0.0205)
OKLCH	oklch(58.65% 0.091 193)
XYZ	xyz(14.9459, 21.3054, 27.7457)
Luminance	0.2131 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258D8B #8D2527

analogous

#258D57 #258D8B #255B8D

triadic

#258D8B #8B258D #8D8B25

tetradic

#258D8B #57258D #8D2527 #5B8D25

square

#258D8B #57258D #8D2527 #5B8D25

split-complementary

#258D8B #8D255B #8D5725

monochromatic

#0C2C2B #185D5B #258D8B #32BDBB #59D3D1

Accessibility & contrast

On white

3.99

#258D8B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.26

#258D8B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258D8B

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258D8B	#FFFFFF	#000000	##000000
##258D8B	1.00	3.99	5.26	5.26
#FFFFFF	3.99	1.00	21.00	21.00
#000000	5.26	21.00	1.00	1.00
##000000	5.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#84868B

Deuteranopia (green-blind)

#757B8C

Tritanopia (blue-blind)

#00918C

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #258d8b;
/* rgb */ color: rgb(37, 141, 139);
/* oklch */ color: oklch(58.7% 0.091 193.0);

Tailwind

colors: {
  custom: {
    50: '#71afac',
    500: '#258d8b',
    950: '#000000',
  },
}

SCSS

$custom: #258d8b;
$custom-light: #71afac;
$custom-dark: #000000;

JSON

{
  "hex": "#258d8b",
  "rgb": {
    "r": 37,
    "g": 141,
    "b": 139
  },
  "hsl": {
    "h": 178.846,
    "s": 58.427,
    "l": 34.902
  },
  "oklch": {
    "l": 0.58654,
    "c": 0.09069,
    "h": 193
  },
  "luminance": 0.21307
}

Semantic roles & 50–950 ramp

primary

#258D8B

secondary

#B85658

accent

#4649E2

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #258D8B

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

Preview Lab → · Contrast checker → · Palette generator →