#309EB2#309EB2

#309EB2 is a light, moderate teal. Relative luminance 0.283; OKLCH L 64.7% C 0.100 H 212.5°. Best body text is #000000 at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#309EB2
RGB	rgb(48, 158, 178)
HSL	hsl(189, 58%, 44%)
HSV	hsv(189, 73%, 70%)
CMYK	cmyk(73%, 11.2%, 0%, 30.2%)
CIE-LAB	lab(60.15, -23.70, -19.25)
CIE-LCH	lch(60.15, 30.53, 219.08°)
OKLab	oklab(64.72% -0.0841 -0.0536)
OKLCH	oklch(64.72% 0.1 212.5)
XYZ	xyz(21.4782, 28.2939, 46.4401)
Luminance	0.2830 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309EB2 #B24430

analogous

#30B285 #309EB2 #305DB2

triadic

#309EB2 #B2309E #9EB230

tetradic

#309EB2 #8530B2 #B24430 #5DB230

square

#309EB2 #8530B2 #B24430 #5DB230

split-complementary

#309EB2 #B2305D #B28530

monochromatic

#164852 #237382 #309EB2 #50BCD0 #80CEDD

Accessibility & contrast

On white

3.15

#309EB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.66

#309EB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309EB2

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309EB2	#FFFFFF	#000000	##000000
##309EB2	1.00	3.15	6.66	6.66
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.66	21.00	1.00	1.00
##000000	6.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F99B3

Deuteranopia (green-blind)

#7D8BB2

Tritanopia (blue-blind)

#00A6A4

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #309eb2;
/* rgb */ color: rgb(48, 158, 178);
/* oklch */ color: oklch(64.7% 0.100 212.5);

Tailwind

colors: {
  custom: {
    50: '#7cbbc9',
    500: '#309eb2',
    950: '#000000',
  },
}

SCSS

$custom: #309eb2;
$custom-light: #7cbbc9;
$custom-dark: #000000;

JSON

{
  "hex": "#309eb2",
  "rgb": {
    "r": 48,
    "g": 158,
    "b": 178
  },
  "hsl": {
    "h": 189.231,
    "s": 57.522,
    "l": 44.314
  },
  "oklch": {
    "l": 0.64718,
    "c": 0.09974,
    "h": 212.5
  },
  "luminance": 0.28296
}

Semantic roles & 50–950 ramp

primary

#309EB2

secondary

#C68478

accent

#5F47E1

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #309EB2

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

Preview Lab → · Contrast checker → · Palette generator →