#258F8A#258F8A

#258F8A is a mid, moderate teal. Relative luminance 0.219; OKLCH L 59.1% C 0.092 H 190.2°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#258F8A
RGB	rgb(37, 143, 138)
HSL	hsl(177, 59%, 35%)
HSV	hsv(177, 74%, 56%)
CMYK	cmyk(74.1%, 0%, 3.5%, 43.9%)
CIE-LAB	lab(53.89, -30.03, -5.86)
CIE-LCH	lch(53.89, 30.60, 191.05°)
OKLab	oklab(59.14% -0.0909 -0.0164)
OKLCH	oklch(59.14% 0.092 190.2)
XYZ	xyz(15.1707, 21.8714, 27.4619)
Luminance	0.2187 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258F8A #8F252A

analogous

#258F55 #258F8A #255F8F

triadic

#258F8A #8A258F #8F8A25

tetradic

#258F8A #55258F #8F252A #5F8F25

square

#258F8A #55258F #8F252A #5F8F25

split-complementary

#258F8A #8F255F #8F5525

monochromatic

#0C2E2C #185E5B #258F8A #32C0B9 #5AD4CF

Accessibility & contrast

On white

3.91

#258F8A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.37

#258F8A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258F8A

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258F8A	#FFFFFF	#000000	##000000
##258F8A	1.00	3.91	5.37	5.37
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.37	21.00	1.00	1.00
##000000	5.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#86878A

Deuteranopia (green-blind)

#777C8B

Tritanopia (blue-blind)

#00938D

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #258f8a;
/* rgb */ color: rgb(37, 143, 138);
/* oklch */ color: oklch(59.1% 0.092 190.2);

Tailwind

colors: {
  custom: {
    50: '#72b0ac',
    500: '#258f8a',
    950: '#000000',
  },
}

SCSS

$custom: #258f8a;
$custom-light: #72b0ac;
$custom-dark: #000000;

JSON

{
  "hex": "#258f8a",
  "rgb": {
    "r": 37,
    "g": 143,
    "b": 138
  },
  "hsl": {
    "h": 177.17,
    "s": 58.889,
    "l": 35.294
  },
  "oklch": {
    "l": 0.59138,
    "c": 0.09238,
    "h": 190.2
  },
  "luminance": 0.21873
}

Semantic roles & 50–950 ramp

primary

#258F8A

secondary

#B9575B

accent

#464DE2

background

#F7FAFA

surface

#EDF5F4

border

#C8CFCE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #258F8A

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

Preview Lab → · Contrast checker → · Palette generator →