#308FC9#308FC9

#308FC9 is a light, vivid cyan. Relative luminance 0.245; OKLCH L 62.2% C 0.123 H 240.3°. Best body text is #000000 at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#308FC9
RGB	rgb(48, 143, 201)
HSL	hsl(203, 61%, 49%)
HSV	hsv(203, 76%, 79%)
CMYK	cmyk(76.1%, 28.9%, 0%, 21.2%)
CIE-LAB	lab(56.57, -7.79, -37.78)
CIE-LCH	lch(56.57, 38.57, 258.35°)
OKLab	oklab(62.17% -0.061 -0.1069)
OKLCH	oklch(62.17% 0.123 240.3)
XYZ	xyz(21.5799, 24.4878, 58.8363)
Luminance	0.2449 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#308FC9 #C96A30

analogous

#30C9B7 #308FC9 #3043C9

triadic

#308FC9 #C9308F #8FC930

tetradic

#308FC9 #B730C9 #C96A30 #43C930

square

#308FC9 #B730C9 #C96A30 #43C930

split-complementary

#308FC9 #C93043 #C9B730

monochromatic

#184966 #246C98 #308FC9 #5EAAD8 #8FC4E4

Accessibility & contrast

On white

3.56

#308FC9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.90

#308FC9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #308FC9

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##308FC9	#FFFFFF	#000000	##000000
##308FC9	1.00	3.56	5.90	5.90
#FFFFFF	3.56	1.00	21.00	21.00
#000000	5.90	21.00	1.00	1.00
##000000	5.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7490CC

Deuteranopia (green-blind)

#5F81C8

Tritanopia (blue-blind)

#009EA3

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #308fc9;
/* rgb */ color: rgb(48, 143, 201);
/* oklch */ color: oklch(62.2% 0.123 240.3);

Tailwind

colors: {
  custom: {
    50: '#7eafd9',
    500: '#308fc9',
    950: '#000000',
  },
}

SCSS

$custom: #308fc9;
$custom-light: #7eafd9;
$custom-dark: #000000;

JSON

{
  "hex": "#308fc9",
  "rgb": {
    "r": 48,
    "g": 143,
    "b": 201
  },
  "hsl": {
    "h": 202.745,
    "s": 61.446,
    "l": 48.824
  },
  "oklch": {
    "l": 0.62167,
    "c": 0.12305,
    "h": 240.3
  },
  "luminance": 0.2449
}

Semantic roles & 50–950 ramp

primary

#308FC9

secondary

#CFA286

accent

#8043E5

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0B1014

muted

#7C7F83

Preview Lab

Preview with #308FC9

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

Preview Lab → · Contrast checker → · Palette generator →