#309F9B#309F9B

#309F9B is a light, moderate teal. Relative luminance 0.278; OKLCH L 64.1% C 0.097 H 191.5°. Best body text is #000000 at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#309F9B
RGB	rgb(48, 159, 155)
HSL	hsl(178, 54%, 41%)
HSV	hsv(178, 70%, 62%)
CMYK	cmyk(69.8%, 0%, 2.5%, 37.6%)
CIE-LAB	lab(59.70, -31.23, -6.93)
CIE-LCH	lch(59.70, 31.99, 192.51°)
OKLab	oklab(64.1% -0.0952 -0.0193)
OKLCH	oklch(64.1% 0.097 191.5)
XYZ	xyz(19.5307, 27.7889, 35.3385)
Luminance	0.2779 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309F9B #9F3034

analogous

#309F63 #309F9B #306B9F

triadic

#309F9B #9B309F #9F9B30

tetradic

#309F9B #63309F #9F3034 #6B9F30

square

#309F9B #63309F #9F3034 #6B9F30

split-complementary

#309F9B #9F306B #9F6330

monochromatic

#14413F #22706D #309F9B #45C7C2 #74D5D2

Accessibility & contrast

On white

3.20

#309F9B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.56

#309F9B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309F9B

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309F9B	#FFFFFF	#000000	##000000
##309F9B	1.00	3.20	6.56	6.56
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.56	21.00	1.00	1.00
##000000	6.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#95979B

Deuteranopia (green-blind)

#858B9C

Tritanopia (blue-blind)

#00A49D

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #309f9b;
/* rgb */ color: rgb(48, 159, 155);
/* oklch */ color: oklch(64.1% 0.097 191.5);

Tailwind

colors: {
  custom: {
    50: '#79bcb8',
    500: '#309f9b',
    950: '#000000',
  },
}

SCSS

$custom: #309f9b;
$custom-light: #79bcb8;
$custom-dark: #000000;

JSON

{
  "hex": "#309f9b",
  "rgb": {
    "r": 48,
    "g": 159,
    "b": 155
  },
  "hsl": {
    "h": 177.838,
    "s": 53.623,
    "l": 40.588
  },
  "oklch": {
    "l": 0.64095,
    "c": 0.0971,
    "h": 191.5
  },
  "luminance": 0.27791
}

Semantic roles & 50–950 ramp

primary

#309F9B

secondary

#BD6E71

accent

#4B50DD

background

#F7FBFB

surface

#EEF6F6

border

#C9D0D0

text

#0A1211

muted

#7C8180

Preview Lab

Preview with #309F9B

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

Preview Lab → · Contrast checker → · Palette generator →