#309E9B#309E9B

#309E9B is a light, moderate teal. Relative luminance 0.274; OKLCH L 63.8% C 0.096 H 192.3°. Best body text is #000000 at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#309E9B
RGB	rgb(48, 158, 155)
HSL	hsl(178, 53%, 40%)
HSV	hsv(178, 70%, 62%)
CMYK	cmyk(69.6%, 0%, 1.9%, 38%)
CIE-LAB	lab(59.39, -30.75, -7.40)
CIE-LCH	lch(59.39, 31.63, 193.52°)
OKLab	oklab(63.84% -0.0941 -0.0206)
OKLCH	oklch(63.84% 0.096 192.3)
XYZ	xyz(19.3595, 27.4464, 35.2814)
Luminance	0.2745 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309E9B #9E3033

analogous

#309E64 #309E9B #306A9E

triadic

#309E9B #9B309E #9E9B30

tetradic

#309E9B #64309E #9E3033 #6A9E30

square

#309E9B #64309E #9E3033 #6A9E30

split-complementary

#309E9B #9E306A #9E6430

monochromatic

#13403F #226F6D #309E9B #45C6C3 #74D5D2

Accessibility & contrast

On white

3.24

#309E9B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.49

#309E9B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309E9B

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309E9B	#FFFFFF	#000000	##000000
##309E9B	1.00	3.24	6.49	6.49
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.49	21.00	1.00	1.00
##000000	6.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#94969B

Deuteranopia (green-blind)

#848A9C

Tritanopia (blue-blind)

#00A39D

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #309e9b;
/* rgb */ color: rgb(48, 158, 155);
/* oklch */ color: oklch(63.8% 0.096 192.3);

Tailwind

colors: {
  custom: {
    50: '#79bbb8',
    500: '#309e9b',
    950: '#000000',
  },
}

SCSS

$custom: #309e9b;
$custom-light: #79bbb8;
$custom-dark: #000000;

JSON

{
  "hex": "#309e9b",
  "rgb": {
    "r": 48,
    "g": 158,
    "b": 155
  },
  "hsl": {
    "h": 178.364,
    "s": 53.398,
    "l": 40.392
  },
  "oklch": {
    "l": 0.63842,
    "c": 0.09634,
    "h": 192.3
  },
  "luminance": 0.27449
}

Semantic roles & 50–950 ramp

primary

#309E9B

secondary

#BD6D6F

accent

#4B4FDD

background

#F7FBFB

surface

#EEF6F6

border

#C9D0D0

text

#0A1211

muted

#7C8180

Preview Lab

Preview with #309E9B

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

Preview Lab → · Contrast checker → · Palette generator →