#309E8B#309E8B

#309E8B is a light, moderate teal. Relative luminance 0.269; OKLCH L 63.3% C 0.102 H 178.8°. Best body text is #000000 at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#309E8B
RGB	rgb(48, 158, 139)
HSL	hsl(170, 53%, 40%)
HSV	hsv(170, 70%, 62%)
CMYK	cmyk(69.6%, 0%, 12%, 38%)
CIE-LAB	lab(58.92, -35.26, 0.99)
CIE-LCH	lch(58.92, 35.27, 178.39°)
OKLab	oklab(63.31% -0.1016 0.0021)
OKLCH	oklch(63.31% 0.102 178.8)
XYZ	xyz(18.1037, 26.9441, 28.6677)
Luminance	0.2695 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309E8B #9E3043

analogous

#309E54 #309E8B #307A9E

triadic

#309E8B #8B309E #9E8B30

tetradic

#309E8B #54309E #9E3043 #7A9E30

square

#309E8B #54309E #9E3043 #7A9E30

split-complementary

#309E8B #9E307A #9E5430

monochromatic

#134038 #226F62 #309E8B #45C6B0 #74D5C4

Accessibility & contrast

On white

3.29

#309E8B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.39

#309E8B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309E8B

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309E8B	#FFFFFF	#000000	##000000
##309E8B	1.00	3.29	6.39	6.39
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.39	21.00	1.00	1.00
##000000	6.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#97948A

Deuteranopia (green-blind)

#88898D

Tritanopia (blue-blind)

#00A198

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #309e8b;
/* rgb */ color: rgb(48, 158, 139);
/* oklch */ color: oklch(63.3% 0.102 178.8);

Tailwind

colors: {
  custom: {
    50: '#78bbac',
    500: '#309e8b',
    950: '#000000',
  },
}

SCSS

$custom: #309e8b;
$custom-light: #78bbac;
$custom-dark: #000000;

JSON

{
  "hex": "#309e8b",
  "rgb": {
    "r": 48,
    "g": 158,
    "b": 139
  },
  "hsl": {
    "h": 169.636,
    "s": 53.398,
    "l": 40.392
  },
  "oklch": {
    "l": 0.63312,
    "c": 0.10161,
    "h": 178.8
  },
  "luminance": 0.26946
}

Semantic roles & 50–950 ramp

primary

#309E8B

secondary

#BD6D7B

accent

#4B64DD

background

#F7FBFA

surface

#EEF6F4

border

#C9D0CE

text

#0A1210

muted

#7C817F

Preview Lab

Preview with #309E8B

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

Preview Lab → · Contrast checker → · Palette generator →