#309B8F#309B8F

#309B8F is a light, moderate teal. Relative luminance 0.261; OKLCH L 62.7% C 0.097 H 184.3°. Best body text is #000000 at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#309B8F
RGB	rgb(48, 155, 143)
HSL	hsl(173, 53%, 40%)
HSV	hsv(173, 69%, 61%)
CMYK	cmyk(69%, 0%, 7.7%, 39.2%)
CIE-LAB	lab(58.09, -32.76, -2.50)
CIE-LCH	lch(58.09, 32.86, 184.37°)
OKLab	oklab(62.67% -0.0965 -0.0073)
OKLCH	oklch(62.67% 0.097 184.3)
XYZ	xyz(17.8959, 26.0522, 30.0667)
Luminance	0.2605 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309B8F #9B303C

analogous

#309B5A #309B8F #30729B

triadic

#309B8F #8F309B #9B8F30

tetradic

#309B8F #5A309B #9B303C #729B30

square

#309B8F #5A309B #9B303C #729B30

split-complementary

#309B8F #9B3072 #9B5A30

monochromatic

#133E39 #226C64 #309B8F #43C5B6 #72D3C8

Accessibility & contrast

On white

3.38

#309B8F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.21

#309B8F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309B8F

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309B8F	#FFFFFF	#000000	##000000
##309B8F	1.00	3.38	6.21	6.21
#FFFFFF	3.38	1.00	21.00	21.00
#000000	6.21	21.00	1.00	1.00
##000000	6.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#93928F

Deuteranopia (green-blind)

#848790

Tritanopia (blue-blind)

#009E97

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #309b8f;
/* rgb */ color: rgb(48, 155, 143);
/* oklch */ color: oklch(62.7% 0.097 184.3);

Tailwind

colors: {
  custom: {
    50: '#78b9af',
    500: '#309b8f',
    950: '#000000',
  },
}

SCSS

$custom: #309b8f;
$custom-light: #78b9af;
$custom-dark: #000000;

JSON

{
  "hex": "#309b8f",
  "rgb": {
    "r": 48,
    "g": 155,
    "b": 143
  },
  "hsl": {
    "h": 173.271,
    "s": 52.709,
    "l": 39.804
  },
  "oklch": {
    "l": 0.62668,
    "c": 0.09678,
    "h": 184.3
  },
  "luminance": 0.26054
}

Semantic roles & 50–950 ramp

primary

#309B8F

secondary

#BB6C75

accent

#4C5CDC

background

#F7FBFA

surface

#EEF6F4

border

#C9D0CE

text

#0A1110

muted

#7C807F

Preview Lab

Preview with #309B8F

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

Preview Lab → · Contrast checker → · Palette generator →