#258C8F#258C8F

#258C8F is a mid, moderate teal. Relative luminance 0.211; OKLCH L 58.5% C 0.090 H 197.9°. Best body text is #000000 at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#258C8F
RGB	rgb(37, 140, 143)
HSL	hsl(182, 59%, 35%)
HSV	hsv(182, 74%, 56%)
CMYK	cmyk(74.1%, 2.1%, 0%, 43.9%)
CIE-LAB	lab(53.09, -27.03, -9.94)
CIE-LCH	lch(53.09, 28.80, 200.20°)
OKLab	oklab(58.54% -0.0855 -0.0276)
OKLCH	oklch(58.54% 0.09 197.9)
XYZ	xyz(15.0967, 21.1308, 29.2643)
Luminance	0.2113 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258C8F #8F2825

analogous

#258F5D #258C8F #25578F

triadic

#258C8F #8F258C #8C8F25

tetradic

#258C8F #5D258F #8F2825 #578F25

square

#258C8F #5D258F #8F2825 #578F25

split-complementary

#258C8F #8F2557 #8F5D25

monochromatic

#0C2D2E #185C5E #258C8F #32BCC0 #5AD1D4

Accessibility & contrast

On white

4.02

#258C8F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.23

#258C8F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258C8F

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258C8F	#FFFFFF	#000000	##000000
##258C8F	1.00	4.02	5.23	5.23
#FFFFFF	4.02	1.00	21.00	21.00
#000000	5.23	21.00	1.00	1.00
##000000	5.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#82858F

Deuteranopia (green-blind)

#737A90

Tritanopia (blue-blind)

#00918D

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #258c8f;
/* rgb */ color: rgb(37, 140, 143);
/* oklch */ color: oklch(58.5% 0.090 197.9);

Tailwind

colors: {
  custom: {
    50: '#72aeaf',
    500: '#258c8f',
    950: '#000000',
  },
}

SCSS

$custom: #258c8f;
$custom-light: #72aeaf;
$custom-dark: #000000;

JSON

{
  "hex": "#258c8f",
  "rgb": {
    "r": 37,
    "g": 140,
    "b": 143
  },
  "hsl": {
    "h": 181.698,
    "s": 58.889,
    "l": 35.294
  },
  "oklch": {
    "l": 0.58543,
    "c": 0.08981,
    "h": 197.9
  },
  "luminance": 0.21133
}

Semantic roles & 50–950 ramp

primary

#258C8F

secondary

#B95A57

accent

#4A46E2

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #258C8F

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

Preview Lab → · Contrast checker → · Palette generator →