#309CBD#309CBD

#309CBD is a light, moderate cyan. Relative luminance 0.281; OKLCH L 64.7% C 0.106 H 222.8°. Best body text is #000000 at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#309CBD
RGB	rgb(48, 156, 189)
HSL	hsl(194, 59%, 46%)
HSV	hsv(194, 75%, 74%)
CMYK	cmyk(74.6%, 17.5%, 0%, 25.9%)
CIE-LAB	lab(59.96, -19.07, -25.75)
CIE-LCH	lch(59.96, 32.04, 233.47°)
OKLab	oklab(64.7% -0.0777 -0.0721)
OKLCH	oklch(64.7% 0.106 222.8)
XYZ	xyz(22.2889, 28.0768, 52.3789)
Luminance	0.2808 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#309CBD #BD5130

analogous

#30BD98 #309CBD #3055BD

triadic

#309CBD #BD309C #9CBD30

tetradic

#309CBD #9830BD #BD5130 #55BD30

square

#309CBD #9830BD #BD5130 #55BD30

split-complementary

#309CBD #BD3055 #BD9830

monochromatic

#174B5B #24748C #309CBD #56B7D4 #87CCE0

Accessibility & contrast

On white

3.17

#309CBD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.62

#309CBD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #309CBD

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##309CBD	#FFFFFF	#000000	##000000
##309CBD	1.00	3.17	6.62	6.62
#FFFFFF	3.17	1.00	21.00	21.00
#000000	6.62	21.00	1.00	1.00
##000000	6.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8998BF

Deuteranopia (green-blind)

#768ABD

Tritanopia (blue-blind)

#00A6A7

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #309cbd;
/* rgb */ color: rgb(48, 156, 189);
/* oklch */ color: oklch(64.7% 0.106 222.8);

Tailwind

colors: {
  custom: {
    50: '#7db9d1',
    500: '#309cbd',
    950: '#000000',
  },
}

SCSS

$custom: #309cbd;
$custom-light: #7db9d1;
$custom-dark: #000000;

JSON

{
  "hex": "#309cbd",
  "rgb": {
    "r": 48,
    "g": 156,
    "b": 189
  },
  "hsl": {
    "h": 194.043,
    "s": 59.494,
    "l": 46.471
  },
  "oklch": {
    "l": 0.64698,
    "c": 0.106,
    "h": 222.8
  },
  "luminance": 0.28079
}

Semantic roles & 50–950 ramp

primary

#309CBD

secondary

#CA907F

accent

#6A45E3

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #309CBD

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

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