#307BC1#307BC1

#307BC1 is a mid, vivid cyan. Relative luminance 0.186; OKLCH L 57.1% C 0.131 H 250.0°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#307BC1
RGB	rgb(48, 123, 193)
HSL	hsl(209, 60%, 47%)
HSV	hsv(209, 75%, 76%)
CMYK	cmyk(75.1%, 36.3%, 0%, 24.3%)
CIE-LAB	lab(50.27, 1.10, -43.17)
CIE-LCH	lch(50.27, 43.18, 271.45°)
OKLab	oklab(57.06% -0.0447 -0.1229)
OKLCH	oklch(57.06% 0.131 250)
XYZ	xyz(17.9239, 18.6425, 53.0954)
Luminance	0.1865 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307BC1 #C17630

analogous

#30C1BF #307BC1 #3032C1

triadic

#307BC1 #C1307B #7BC130

tetradic

#307BC1 #BF30C1 #C17630 #32C130

square

#307BC1 #BF30C1 #C17630 #32C130

split-complementary

#307BC1 #C13032 #C1BF30

monochromatic

#183D5F #245C90 #307BC1 #5999D6 #8AB7E2

Accessibility & contrast

On white

4.44

#307BC1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#307BC1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307BC1

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307BC1	#FFFFFF	#000000	##000000
##307BC1	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B7FC4

Deuteranopia (green-blind)

#4572C0

Tritanopia (blue-blind)

#008C95

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #307bc1;
/* rgb */ color: rgb(48, 123, 193);
/* oklch */ color: oklch(57.1% 0.131 250.0);

Tailwind

colors: {
  custom: {
    50: '#7ca0d4',
    500: '#307bc1',
    950: '#000000',
  },
}

SCSS

$custom: #307bc1;
$custom-light: #7ca0d4;
$custom-dark: #000000;

JSON

{
  "hex": "#307bc1",
  "rgb": {
    "r": 48,
    "g": 123,
    "b": 193
  },
  "hsl": {
    "h": 208.966,
    "s": 60.166,
    "l": 47.255
  },
  "oklch": {
    "l": 0.57063,
    "c": 0.13077,
    "h": 250
  },
  "luminance": 0.18645
}

Semantic roles & 50–950 ramp

primary

#307BC1

secondary

#CCA581

accent

#9144E3

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #307BC1

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

Preview Lab → · Contrast checker → · Palette generator →