#309CB1#309CB1

#309CB1 is a light, moderate teal. Relative luminance 0.276; OKLCH L 64.2% C 0.099 H 213.6°. Best body text is #000000 at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#309CB1
RGB	rgb(48, 156, 177)
HSL	hsl(190, 57%, 44%)
HSV	hsv(190, 73%, 69%)
CMYK	cmyk(72.9%, 11.9%, 0%, 30.6%)
CIE-LAB	lab(59.50, -22.99, -19.67)
CIE-LCH	lch(59.50, 30.26, 220.55°)
OKLab	oklab(64.18% -0.0825 -0.0548)
OKLCH	oklch(64.18% 0.099 213.6)
XYZ	xyz(21.0398, 27.5772, 45.8005)
Luminance	0.2758 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309CB1 #B14530

analogous

#30B185 #309CB1 #305CB1

triadic

#309CB1 #B1309C #9CB130

tetradic

#309CB1 #8530B1 #B14530 #5CB130

square

#309CB1 #8530B1 #B14530 #5CB130

split-complementary

#309CB1 #B1305C #B18530

monochromatic

#164751 #237281 #309CB1 #4FBACF #7FCDDC

Accessibility & contrast

On white

3.22

#309CB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.52

#309CB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309CB1

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309CB1	#FFFFFF	#000000	##000000
##309CB1	1.00	3.22	6.52	6.52
#FFFFFF	3.22	1.00	21.00	21.00
#000000	6.52	21.00	1.00	1.00
##000000	6.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D97B2

Deuteranopia (green-blind)

#7B8AB1

Tritanopia (blue-blind)

#00A4A2

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #309cb1;
/* rgb */ color: rgb(48, 156, 177);
/* oklch */ color: oklch(64.2% 0.099 213.6);

Tailwind

colors: {
  custom: {
    50: '#7bb9c8',
    500: '#309cb1',
    950: '#000000',
  },
}

SCSS

$custom: #309cb1;
$custom-light: #7bb9c8;
$custom-dark: #000000;

JSON

{
  "hex": "#309cb1",
  "rgb": {
    "r": 48,
    "g": 156,
    "b": 177
  },
  "hsl": {
    "h": 189.767,
    "s": 57.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.64183,
    "c": 0.09905,
    "h": 213.6
  },
  "luminance": 0.2758
}

Semantic roles & 50–950 ramp

primary

#309CB1

secondary

#C58478

accent

#6047E1

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #309CB1

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

Preview Lab → · Contrast checker → · Palette generator →