#308BC9#308BC9

#308BC9 is a mid, vivid cyan. Relative luminance 0.233; OKLCH L 61.2% C 0.126 H 243.0°. Best body text is #000000 at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#308BC9
RGB	rgb(48, 139, 201)
HSL	hsl(204, 61%, 49%)
HSV	hsv(204, 76%, 79%)
CMYK	cmyk(76.1%, 30.8%, 0%, 21.2%)
CIE-LAB	lab(55.39, -5.48, -39.64)
CIE-LCH	lch(55.39, 40.01, 262.12°)
OKLab	oklab(61.23% -0.0573 -0.1123)
OKLCH	oklch(61.23% 0.126 243)
XYZ	xyz(20.9901, 23.3082, 58.6397)
Luminance	0.2331 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#308BC9 #C96E30

analogous

#30C9BB #308BC9 #303EC9

triadic

#308BC9 #C9308B #8BC930

tetradic

#308BC9 #BB30C9 #C96E30 #3EC930

square

#308BC9 #BB30C9 #C96E30 #3EC930

split-complementary

#308BC9 #C9303E #C9BB30

monochromatic

#184766 #246998 #308BC9 #5EA7D8 #8FC2E4

Accessibility & contrast

On white

3.71

#308BC9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.66

#308BC9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #308BC9

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##308BC9	#FFFFFF	#000000	##000000
##308BC9	1.00	3.71	5.66	5.66
#FFFFFF	3.71	1.00	21.00	21.00
#000000	5.66	21.00	1.00	1.00
##000000	5.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E8DCC

Deuteranopia (green-blind)

#597EC8

Tritanopia (blue-blind)

#009AA1

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #308bc9;
/* rgb */ color: rgb(48, 139, 201);
/* oklch */ color: oklch(61.2% 0.126 243.0);

Tailwind

colors: {
  custom: {
    50: '#7eacd9',
    500: '#308bc9',
    950: '#000000',
  },
}

SCSS

$custom: #308bc9;
$custom-light: #7eacd9;
$custom-dark: #000000;

JSON

{
  "hex": "#308bc9",
  "rgb": {
    "r": 48,
    "g": 139,
    "b": 201
  },
  "hsl": {
    "h": 204.314,
    "s": 61.446,
    "l": 48.824
  },
  "oklch": {
    "l": 0.61229,
    "c": 0.12608,
    "h": 243
  },
  "luminance": 0.23311
}

Semantic roles & 50–950 ramp

primary

#308BC9

secondary

#CFA486

accent

#8543E5

background

#F8FAFD

surface

#EFF4FA

border

#CACED3

text

#0B1014

muted

#7C7F83

Preview Lab

Preview with #308BC9

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

Preview Lab → · Contrast checker → · Palette generator →