#309BA4#309BA4

#309BA4 is a light, moderate teal. Relative luminance 0.268; OKLCH L 63.4% C 0.095 H 203.3°. Best body text is #000000 at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#309BA4
RGB	rgb(48, 155, 164)
HSL	hsl(185, 55%, 42%)
HSV	hsv(185, 71%, 64%)
CMYK	cmyk(70.7%, 5.5%, 0%, 35.7%)
CIE-LAB	lab(58.74, -26.57, -13.47)
CIE-LCH	lch(58.74, 29.79, 206.88°)
OKLab	oklab(63.42% -0.087 -0.0374)
OKLCH	oklch(63.42% 0.095 203.3)
XYZ	xyz(19.6382, 26.7491, 39.2429)
Luminance	0.2675 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309BA4 #A43930

analogous

#30A473 #309BA4 #3061A4

triadic

#309BA4 #A4309B #9BA430

tetradic

#309BA4 #7330A4 #A43930 #61A430

square

#309BA4 #7330A4 #A43930 #61A430

split-complementary

#309BA4 #A43061 #A47330

monochromatic

#144245 #226E75 #309BA4 #48BFC9 #77D0D7

Accessibility & contrast

On white

3.31

#309BA4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.35

#309BA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309BA4

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309BA4	#FFFFFF	#000000	##000000
##309BA4	1.00	3.31	6.35	6.35
#FFFFFF	3.31	1.00	21.00	21.00
#000000	6.35	21.00	1.00	1.00
##000000	6.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F94A5

Deuteranopia (green-blind)

#7E88A4

Tritanopia (blue-blind)

#00A19E

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #309ba4;
/* rgb */ color: rgb(48, 155, 164);
/* oklch */ color: oklch(63.4% 0.095 203.3);

Tailwind

colors: {
  custom: {
    50: '#7ab9bf',
    500: '#309ba4',
    950: '#000000',
  },
}

SCSS

$custom: #309ba4;
$custom-light: #7ab9bf;
$custom-dark: #000000;

JSON

{
  "hex": "#309ba4",
  "rgb": {
    "r": 48,
    "g": 155,
    "b": 164
  },
  "hsl": {
    "h": 184.655,
    "s": 54.717,
    "l": 41.569
  },
  "oklch": {
    "l": 0.63416,
    "c": 0.09467,
    "h": 203.3
  },
  "luminance": 0.26751
}

Semantic roles & 50–950 ramp

primary

#309BA4

secondary

#BF7770

accent

#554ADE

background

#F8FBFB

surface

#EFF6F6

border

#CAD0D0

text

#0A1112

muted

#7C8081

Preview Lab

Preview with #309BA4

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

Preview Lab → · Contrast checker → · Palette generator →