#307CC0#307CC0

#307CC0 is a mid, vivid cyan. Relative luminance 0.188; OKLCH L 57.2% C 0.129 H 249.1°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#307CC0
RGB	rgb(48, 124, 192)
HSL	hsl(208, 60%, 47%)
HSV	hsv(208, 75%, 75%)
CMYK	cmyk(75%, 35.4%, 0%, 24.7%)
CIE-LAB	lab(50.51, 0.13, -42.21)
CIE-LCH	lch(50.51, 42.21, 270.17°)
OKLab	oklab(57.24% -0.0459 -0.1201)
OKLCH	oklch(57.24% 0.129 249.1)
XYZ	xyz(17.9374, 18.8474, 52.5515)
Luminance	0.1885 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307CC0 #C07430

analogous

#30C0BC #307CC0 #3034C0

triadic

#307CC0 #C0307C #7CC030

tetradic

#307CC0 #BC30C0 #C07430 #34C030

square

#307CC0 #BC30C0 #C07430 #34C030

split-complementary

#307CC0 #C03034 #C0BC30

monochromatic

#183D5E #245C8F #307CC0 #589AD5 #89B8E1

Accessibility & contrast

On white

4.40

#307CC0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#307CC0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307CC0

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307CC0	#FFFFFF	#000000	##000000
##307CC0	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D80C3

Deuteranopia (green-blind)

#4872BF

Tritanopia (blue-blind)

#008C95

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #307cc0;
/* rgb */ color: rgb(48, 124, 192);
/* oklch */ color: oklch(57.2% 0.129 249.1);

Tailwind

colors: {
  custom: {
    50: '#7ca1d3',
    500: '#307cc0',
    950: '#000000',
  },
}

SCSS

$custom: #307cc0;
$custom-light: #7ca1d3;
$custom-dark: #000000;

JSON

{
  "hex": "#307cc0",
  "rgb": {
    "r": 48,
    "g": 124,
    "b": 192
  },
  "hsl": {
    "h": 208.333,
    "s": 60,
    "l": 47.059
  },
  "oklch": {
    "l": 0.57236,
    "c": 0.12855,
    "h": 249.1
  },
  "luminance": 0.18849
}

Semantic roles & 50–950 ramp

primary

#307CC0

secondary

#CBA480

accent

#8F45E3

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #307CC0

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

Preview Lab → · Contrast checker → · Palette generator →