#307FC6#307FC6

#307FC6 is a mid, vivid cyan. Relative luminance 0.199; OKLCH L 58.3% C 0.133 H 249.3°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#307FC6
RGB	rgb(48, 127, 198)
HSL	hsl(208, 61%, 48%)
HSV	hsv(208, 76%, 78%)
CMYK	cmyk(75.8%, 35.9%, 0%, 22.4%)
CIE-LAB	lab(51.70, 0.51, -43.75)
CIE-LCH	lch(51.70, 43.75, 270.67°)
OKLab	oklab(58.28% -0.0471 -0.1245)
OKLCH	oklch(58.28% 0.133 249.3)
XYZ	xyz(18.9975, 19.8821, 56.2515)
Luminance	0.1988 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307FC6 #C67730

analogous

#30C6C2 #307FC6 #3034C6

triadic

#307FC6 #C6307F #7FC630

tetradic

#307FC6 #C230C6 #C67730 #34C630

square

#307FC6 #C230C6 #C67730 #34C630

split-complementary

#307FC6 #C63034 #C6C230

monochromatic

#184063 #245F95 #307FC6 #5C9DD7 #8DBBE3

Accessibility & contrast

On white

4.22

#307FC6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#307FC6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307FC6

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307FC6	#FFFFFF	#000000	##000000
##307FC6	1.00	4.22	4.98	4.98
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E83C9

Deuteranopia (green-blind)

#4875C5

Tritanopia (blue-blind)

#009099

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #307fc6;
/* rgb */ color: rgb(48, 127, 198);
/* oklch */ color: oklch(58.3% 0.133 249.3);

Tailwind

colors: {
  custom: {
    50: '#7da3d7',
    500: '#307fc6',
    950: '#000000',
  },
}

SCSS

$custom: #307fc6;
$custom-light: #7da3d7;
$custom-dark: #000000;

JSON

{
  "hex": "#307fc6",
  "rgb": {
    "r": 48,
    "g": 127,
    "b": 198
  },
  "hsl": {
    "h": 208.4,
    "s": 60.976,
    "l": 48.235
  },
  "oklch": {
    "l": 0.58277,
    "c": 0.13311,
    "h": 249.3
  },
  "luminance": 0.19884
}

Semantic roles & 50–950 ramp

primary

#307FC6

secondary

#CEA784

accent

#9044E4

background

#F8FAFD

surface

#EFF3FA

border

#CACDD3

text

#0B0F14

muted

#7C7F83

Preview Lab

Preview with #307FC6

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

Preview Lab → · Contrast checker → · Palette generator →