#258B8B#258B8B

#258B8B is a mid, moderate teal. Relative luminance 0.207; OKLCH L 58.1% C 0.089 H 195.0°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#258B8B
RGB	rgb(37, 139, 139)
HSL	hsl(180, 58%, 35%)
HSV	hsv(180, 73%, 55%)
CMYK	cmyk(73.4%, 0%, 0%, 45.5%)
CIE-LAB	lab(52.64, -27.77, -8.30)
CIE-LCH	lch(52.64, 28.98, 196.64°)
OKLab	oklab(58.13% -0.0862 -0.0231)
OKLCH	oklch(58.13% 0.089 195)
XYZ	xyz(14.6536, 20.7209, 27.6483)
Luminance	0.2072 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258B8B #8B2525

analogous

#258B58 #258B8B #25588B

triadic

#258B8B #8B258B #8B8B25

tetradic

#258B8B #58258B #8B2525 #588B25

square

#258B8B #58258B #8B2525 #588B25

split-complementary

#258B8B #8B2558 #8B5825

monochromatic

#0B2A2A #185B5B #258B8B #32BBBB #58D3D3

Accessibility & contrast

On white

4.08

#258B8B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.14

#258B8B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258B8B

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258B8B	#FFFFFF	#000000	##000000
##258B8B	1.00	4.08	5.14	5.14
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.14	21.00	1.00	1.00
##000000	5.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#82848B

Deuteranopia (green-blind)

#73798C

Tritanopia (blue-blind)

#00908B

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #258b8b;
/* rgb */ color: rgb(37, 139, 139);
/* oklch */ color: oklch(58.1% 0.089 195.0);

Tailwind

colors: {
  custom: {
    50: '#71adac',
    500: '#258b8b',
    950: '#000000',
  },
}

SCSS

$custom: #258b8b;
$custom-light: #71adac;
$custom-dark: #000000;

JSON

{
  "hex": "#258b8b",
  "rgb": {
    "r": 37,
    "g": 139,
    "b": 139
  },
  "hsl": {
    "h": 180,
    "s": 57.955,
    "l": 34.51
  },
  "oklch": {
    "l": 0.58134,
    "c": 0.08928,
    "h": 195
  },
  "luminance": 0.20723
}

Semantic roles & 50–950 ramp

primary

#258B8B

secondary

#B75555

accent

#4747E1

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #258B8B

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

Preview Lab → · Contrast checker → · Palette generator →