#258B91#258B91

#258B91 is a mid, moderate teal. Relative luminance 0.209; OKLCH L 58.4% C 0.089 H 200.9°. Best body text is #000000 at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#258B91
RGB	rgb(37, 139, 145)
HSL	hsl(183, 59%, 36%)
HSV	hsv(183, 74%, 57%)
CMYK	cmyk(74.5%, 4.1%, 0%, 43.1%)
CIE-LAB	lab(52.84, -25.90, -11.48)
CIE-LCH	lch(52.84, 28.33, 203.90°)
OKLab	oklab(58.36% -0.0835 -0.0319)
OKLCH	oklch(58.36% 0.089 200.9)
XYZ	xyz(15.1041, 20.9011, 30.0208)
Luminance	0.2090 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258B91 #912B25

analogous

#259161 #258B91 #255591

triadic

#258B91 #91258B #8B9125

tetradic

#258B91 #612591 #912B25 #559125

square

#258B91 #612591 #912B25 #559125

split-complementary

#258B91 #912555 #916125

monochromatic

#0C2E2F #195C60 #258B91 #31BAC2 #5BCED5

Accessibility & contrast

On white

4.05

#258B91 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.18

#258B91 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258B91

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258B91	#FFFFFF	#000000	##000000
##258B91	1.00	4.05	5.18	5.18
#FFFFFF	4.05	1.00	21.00	21.00
#000000	5.18	21.00	1.00	1.00
##000000	5.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#808592

Deuteranopia (green-blind)

#717991

Tritanopia (blue-blind)

#00908D

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #258b91;
/* rgb */ color: rgb(37, 139, 145);
/* oklch */ color: oklch(58.4% 0.089 200.9);

Tailwind

colors: {
  custom: {
    50: '#72adb1',
    500: '#258b91',
    950: '#000000',
  },
}

SCSS

$custom: #258b91;
$custom-light: #72adb1;
$custom-dark: #000000;

JSON

{
  "hex": "#258b91",
  "rgb": {
    "r": 37,
    "g": 139,
    "b": 145
  },
  "hsl": {
    "h": 183.333,
    "s": 59.341,
    "l": 35.686
  },
  "oklch": {
    "l": 0.58361,
    "c": 0.08939,
    "h": 200.9
  },
  "luminance": 0.20903
}

Semantic roles & 50–950 ramp

primary

#258B91

secondary

#BA5D58

accent

#4E45E3

background

#F7FAFA

surface

#EDF4F5

border

#C8CECF

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #258B91

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

Preview Lab → · Contrast checker → · Palette generator →