#309DBD#309DBD

#309DBD is a light, moderate cyan. Relative luminance 0.284; OKLCH L 64.9% C 0.106 H 221.9°. Best body text is #000000 at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#309DBD
RGB	rgb(48, 157, 189)
HSL	hsl(194, 59%, 46%)
HSV	hsv(194, 75%, 74%)
CMYK	cmyk(74.6%, 16.9%, 0%, 25.9%)
CIE-LAB	lab(60.26, -19.60, -25.28)
CIE-LCH	lch(60.26, 31.99, 232.21°)
OKLab	oklab(64.94% -0.0787 -0.0707)
OKLCH	oklch(64.94% 0.106 221.9)
XYZ	xyz(22.4574, 28.4138, 52.4351)
Luminance	0.2842 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309DBD #BD5030

analogous

#30BD97 #309DBD #3057BD

triadic

#309DBD #BD309D #9DBD30

tetradic

#309DBD #9730BD #BD5030 #57BD30

square

#309DBD #9730BD #BD5030 #57BD30

split-complementary

#309DBD #BD3057 #BD9730

monochromatic

#174C5B #24748C #309DBD #56B8D4 #87CCE0

Accessibility & contrast

On white

3.14

#309DBD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.68

#309DBD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309DBD

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309DBD	#FFFFFF	#000000	##000000
##309DBD	1.00	3.14	6.68	6.68
#FFFFFF	3.14	1.00	21.00	21.00
#000000	6.68	21.00	1.00	1.00
##000000	6.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A99BF

Deuteranopia (green-blind)

#778BBD

Tritanopia (blue-blind)

#00A7A7

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #309dbd;
/* rgb */ color: rgb(48, 157, 189);
/* oklch */ color: oklch(64.9% 0.106 221.9);

Tailwind

colors: {
  custom: {
    50: '#7dbad1',
    500: '#309dbd',
    950: '#000000',
  },
}

SCSS

$custom: #309dbd;
$custom-light: #7dbad1;
$custom-dark: #000000;

JSON

{
  "hex": "#309dbd",
  "rgb": {
    "r": 48,
    "g": 157,
    "b": 189
  },
  "hsl": {
    "h": 193.617,
    "s": 59.494,
    "l": 46.471
  },
  "oklch": {
    "l": 0.64941,
    "c": 0.10583,
    "h": 221.9
  },
  "luminance": 0.28416
}

Semantic roles & 50–950 ramp

primary

#309DBD

secondary

#CA907F

accent

#6945E3

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #309DBD

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

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