#258B87#258B87

#258B87 is a mid, moderate teal. Relative luminance 0.206; OKLCH L 58.0% C 0.090 H 191.1°. Best body text is #000000 at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#258B87
RGB	rgb(37, 139, 135)
HSL	hsl(178, 58%, 35%)
HSV	hsv(178, 73%, 55%)
CMYK	cmyk(73.4%, 0%, 2.9%, 45.5%)
CIE-LAB	lab(52.52, -28.98, -6.17)
CIE-LCH	lch(52.52, 29.63, 192.01°)
OKLab	oklab(57.99% -0.0881 -0.0172)
OKLCH	oklch(57.99% 0.09 191.1)
XYZ	xyz(14.3667, 20.6061, 26.1372)
Luminance	0.2061 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258B87 #8B2529

analogous

#258B54 #258B87 #255C8B

triadic

#258B87 #87258B #8B8725

tetradic

#258B87 #54258B #8B2529 #5C8B25

square

#258B87 #54258B #8B2529 #5C8B25

split-complementary

#258B87 #8B255C #8B5425

monochromatic

#0B2A29 #185B58 #258B87 #32BBB6 #58D3CE

Accessibility & contrast

On white

4.10

#258B87 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.12

#258B87 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258B87

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258B87	#FFFFFF	#000000	##000000
##258B87	1.00	4.10	5.12	5.12
#FFFFFF	4.10	1.00	21.00	21.00
#000000	5.12	21.00	1.00	1.00
##000000	5.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#828487

Deuteranopia (green-blind)

#747988

Tritanopia (blue-blind)

#008F8A

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #258b87;
/* rgb */ color: rgb(37, 139, 135);
/* oklch */ color: oklch(58.0% 0.090 191.1);

Tailwind

colors: {
  custom: {
    50: '#71ada9',
    500: '#258b87',
    950: '#000000',
  },
}

SCSS

$custom: #258b87;
$custom-light: #71ada9;
$custom-dark: #000000;

JSON

{
  "hex": "#258b87",
  "rgb": {
    "r": 37,
    "g": 139,
    "b": 135
  },
  "hsl": {
    "h": 177.647,
    "s": 57.955,
    "l": 34.51
  },
  "oklch": {
    "l": 0.57989,
    "c": 0.08978,
    "h": 191.1
  },
  "luminance": 0.20608
}

Semantic roles & 50–950 ramp

primary

#258B87

secondary

#B75559

accent

#474DE1

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #258B87

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

Preview Lab → · Contrast checker → · Palette generator →