#309B91#309B91

#309B91 is a light, moderate teal. Relative luminance 0.261; OKLCH L 62.7% C 0.096 H 186.0°. Best body text is #000000 at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#309B91
RGB	rgb(48, 155, 145)
HSL	hsl(174, 53%, 40%)
HSV	hsv(174, 69%, 61%)
CMYK	cmyk(69%, 0%, 6.5%, 39.2%)
CIE-LAB	lab(58.14, -32.20, -3.56)
CIE-LCH	lch(58.14, 32.39, 186.30°)
OKLab	oklab(62.73% -0.0956 -0.0101)
OKLCH	oklch(62.73% 0.096 186)
XYZ	xyz(18.0487, 26.1133, 30.8717)
Luminance	0.2611 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309B91 #9B303A

analogous

#309B5C #309B91 #306F9B

triadic

#309B91 #91309B #9B9130

tetradic

#309B91 #5C309B #9B303A #6F9B30

square

#309B91 #5C309B #9B303A #6F9B30

split-complementary

#309B91 #9B306F #9B5C30

monochromatic

#133E3A #226C65 #309B91 #43C5B9 #72D3CA

Accessibility & contrast

On white

3.37

#309B91 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.22

#309B91 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309B91

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309B91	#FFFFFF	#000000	##000000
##309B91	1.00	3.37	6.22	6.22
#FFFFFF	3.37	1.00	21.00	21.00
#000000	6.22	21.00	1.00	1.00
##000000	6.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#939291

Deuteranopia (green-blind)

#838792

Tritanopia (blue-blind)

#009F98

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #309b91;
/* rgb */ color: rgb(48, 155, 145);
/* oklch */ color: oklch(62.7% 0.096 186.0);

Tailwind

colors: {
  custom: {
    50: '#78b9b1',
    500: '#309b91',
    950: '#000000',
  },
}

SCSS

$custom: #309b91;
$custom-light: #78b9b1;
$custom-dark: #000000;

JSON

{
  "hex": "#309b91",
  "rgb": {
    "r": 48,
    "g": 155,
    "b": 145
  },
  "hsl": {
    "h": 174.393,
    "s": 52.709,
    "l": 39.804
  },
  "oklch": {
    "l": 0.62734,
    "c": 0.09612,
    "h": 186
  },
  "luminance": 0.26115
}

Semantic roles & 50–950 ramp

primary

#309B91

secondary

#BB6C73

accent

#4C59DC

background

#F7FBFA

surface

#EEF6F5

border

#C9D0CF

text

#0A1110

muted

#7C807F

Preview Lab

Preview with #309B91

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

Preview Lab → · Contrast checker → · Palette generator →