#258B8F#258B8F

#258B8F is a mid, moderate teal. Relative luminance 0.208; OKLCH L 58.3% C 0.089 H 198.9°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#258B8F
RGB	rgb(37, 139, 143)
HSL	hsl(182, 59%, 35%)
HSV	hsv(182, 74%, 56%)
CMYK	cmyk(74.1%, 2.8%, 0%, 43.9%)
CIE-LAB	lab(52.77, -26.53, -10.42)
CIE-LCH	lch(52.77, 28.50, 201.45°)
OKLab	oklab(58.28% -0.0844 -0.0289)
OKLCH	oklch(58.28% 0.089 198.9)
XYZ	xyz(14.9513, 20.8399, 29.2158)
Luminance	0.2084 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258B8F #8F2925

analogous

#258F5E #258B8F #25568F

triadic

#258B8F #8F258B #8B8F25

tetradic

#258B8F #5E258F #8F2925 #568F25

square

#258B8F #5E258F #8F2925 #568F25

split-complementary

#258B8F #8F2556 #8F5E25

monochromatic

#0C2C2E #185C5E #258B8F #32BAC0 #5AD0D4

Accessibility & contrast

On white

4.06

#258B8F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.17

#258B8F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258B8F

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258B8F	#FFFFFF	#000000	##000000
##258B8F	1.00	4.06	5.17	5.17
#FFFFFF	4.06	1.00	21.00	21.00
#000000	5.17	21.00	1.00	1.00
##000000	5.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#81848F

Deuteranopia (green-blind)

#717990

Tritanopia (blue-blind)

#00908C

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #258b8f;
/* rgb */ color: rgb(37, 139, 143);
/* oklch */ color: oklch(58.3% 0.089 198.9);

Tailwind

colors: {
  custom: {
    50: '#72adaf',
    500: '#258b8f',
    950: '#000000',
  },
}

SCSS

$custom: #258b8f;
$custom-light: #72adaf;
$custom-dark: #000000;

JSON

{
  "hex": "#258b8f",
  "rgb": {
    "r": 37,
    "g": 139,
    "b": 143
  },
  "hsl": {
    "h": 182.264,
    "s": 58.889,
    "l": 35.294
  },
  "oklch": {
    "l": 0.58284,
    "c": 0.08923,
    "h": 198.9
  },
  "luminance": 0.20842
}

Semantic roles & 50–950 ramp

primary

#258B8F

secondary

#B95B57

accent

#4C46E2

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #258B8F

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

Preview Lab → · Contrast checker → · Palette generator →