#309CA3#309CA3

#309CA3 is a light, moderate teal. Relative luminance 0.271; OKLCH L 63.6% C 0.095 H 201.4°. Best body text is #000000 at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#309CA3
RGB	rgb(48, 156, 163)
HSL	hsl(184, 55%, 41%)
HSV	hsv(184, 71%, 64%)
CMYK	cmyk(70.6%, 4.3%, 0%, 36.1%)
CIE-LAB	lab(59.02, -27.38, -12.48)
CIE-LCH	lch(59.02, 30.09, 204.51°)
OKLab	oklab(63.63% -0.0884 -0.0346)
OKLCH	oklch(63.63% 0.095 201.4)
XYZ	xyz(19.7153, 27.0474, 38.8248)
Luminance	0.2705 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309CA3 #A33730

analogous

#30A371 #309CA3 #3063A3

triadic

#309CA3 #A3309C #9CA330

tetradic

#309CA3 #7130A3 #A33730 #63A330

square

#309CA3 #7130A3 #A33730 #63A330

split-complementary

#309CA3 #A33063 #A37130

monochromatic

#144244 #226F74 #309CA3 #47C1C9 #77D1D7

Accessibility & contrast

On white

3.28

#309CA3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.41

#309CA3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309CA3

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309CA3	#FFFFFF	#000000	##000000
##309CA3	1.00	3.28	6.41	6.41
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.41	21.00	1.00	1.00
##000000	6.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9095A4

Deuteranopia (green-blind)

#7F89A4

Tritanopia (blue-blind)

#00A29E

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #309ca3;
/* rgb */ color: rgb(48, 156, 163);
/* oklch */ color: oklch(63.6% 0.095 201.4);

Tailwind

colors: {
  custom: {
    50: '#7ab9be',
    500: '#309ca3',
    950: '#000000',
  },
}

SCSS

$custom: #309ca3;
$custom-light: #7ab9be;
$custom-dark: #000000;

JSON

{
  "hex": "#309ca3",
  "rgb": {
    "r": 48,
    "g": 156,
    "b": 163
  },
  "hsl": {
    "h": 183.652,
    "s": 54.502,
    "l": 41.373
  },
  "oklch": {
    "l": 0.63629,
    "c": 0.09499,
    "h": 201.4
  },
  "luminance": 0.2705
}

Semantic roles & 50–950 ramp

primary

#309CA3

secondary

#BF7570

accent

#534ADE

background

#F8FBFB

surface

#EFF6F6

border

#CAD0D0

text

#0A1112

muted

#7C8081

Preview Lab

Preview with #309CA3

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

Preview Lab → · Contrast checker → · Palette generator →