#309EA3#309EA3

#309EA3 is a light, moderate teal. Relative luminance 0.277; OKLCH L 64.1% C 0.096 H 199.5°. Best body text is #000000 at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#309EA3
RGB	rgb(48, 158, 163)
HSL	hsl(183, 55%, 41%)
HSV	hsv(183, 71%, 64%)
CMYK	cmyk(70.6%, 3.1%, 0%, 36.1%)
CIE-LAB	lab(59.64, -28.37, -11.55)
CIE-LCH	lch(59.64, 30.63, 202.15°)
OKLab	oklab(64.13% -0.0905 -0.032)
OKLCH	oklch(64.13% 0.096 199.5)
XYZ	xyz(20.0537, 27.7241, 38.9376)
Luminance	0.2773 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309EA3 #A33530

analogous

#30A36F #309EA3 #3065A3

triadic

#309EA3 #A3309E #9EA330

tetradic

#309EA3 #6F30A3 #A33530 #65A330

square

#309EA3 #6F30A3 #A33530 #65A330

split-complementary

#309EA3 #A33065 #A36F30

monochromatic

#144244 #227074 #309EA3 #47C3C9 #77D3D7

Accessibility & contrast

On white

3.21

#309EA3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.55

#309EA3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309EA3

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309EA3	#FFFFFF	#000000	##000000
##309EA3	1.00	3.21	6.55	6.55
#FFFFFF	3.21	1.00	21.00	21.00
#000000	6.55	21.00	1.00	1.00
##000000	6.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9297A3

Deuteranopia (green-blind)

#828AA4

Tritanopia (blue-blind)

#00A49F

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #309ea3;
/* rgb */ color: rgb(48, 158, 163);
/* oklch */ color: oklch(64.1% 0.096 199.5);

Tailwind

colors: {
  custom: {
    50: '#7abbbe',
    500: '#309ea3',
    950: '#000000',
  },
}

SCSS

$custom: #309ea3;
$custom-light: #7abbbe;
$custom-dark: #000000;

JSON

{
  "hex": "#309ea3",
  "rgb": {
    "r": 48,
    "g": 158,
    "b": 163
  },
  "hsl": {
    "h": 182.609,
    "s": 54.502,
    "l": 41.373
  },
  "oklch": {
    "l": 0.64131,
    "c": 0.09603,
    "h": 199.5
  },
  "luminance": 0.27726
}

Semantic roles & 50–950 ramp

primary

#309EA3

secondary

#BF7370

accent

#504ADE

background

#F8FBFB

surface

#EFF6F6

border

#CAD0D0

text

#0A1212

muted

#7C8181

Preview Lab

Preview with #309EA3

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

Preview Lab → · Contrast checker → · Palette generator →