#307ACC#307ACC

#307ACC is a mid, vivid cyan. Relative luminance 0.189; OKLCH L 57.5% C 0.146 H 253.6°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#307ACC
RGB	rgb(48, 122, 204)
HSL	hsl(212, 62%, 49%)
HSV	hsv(212, 76%, 80%)
CMYK	cmyk(76.5%, 40.2%, 0%, 20%)
CIE-LAB	lab(50.58, 5.77, -48.96)
CIE-LCH	lch(50.58, 49.30, 276.72°)
OKLab	oklab(57.5% -0.0411 -0.1399)
OKLCH	oklch(57.5% 0.146 253.6)
XYZ	xyz(19.0735, 18.9049, 59.7588)
Luminance	0.1891 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307ACC #CC8230

analogous

#30C8CC #307ACC #3430CC

triadic

#307ACC #CC307A #7ACC30

tetradic

#307ACC #CC30C8 #CC8230 #30CC34

square

#307ACC #CC30C8 #CC8230 #30CC34

split-complementary

#307ACC #CC3430 #C8CC30

monochromatic

#193F69 #245C9A #307ACC #6099DA #91B9E5

Accessibility & contrast

On white

4.39

#307ACC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#307ACC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307ACC

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307ACC	#FFFFFF	#000000	##000000
##307ACC	1.00	4.39	4.78	4.78
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5380CF

Deuteranopia (green-blind)

#3972CA

Tritanopia (blue-blind)

#008D99

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #307acc;
/* rgb */ color: rgb(48, 122, 204);
/* oklch */ color: oklch(57.5% 0.146 253.6);

Tailwind

colors: {
  custom: {
    50: '#7e9fdc',
    500: '#307acc',
    950: '#000000',
  },
}

SCSS

$custom: #307acc;
$custom-light: #7e9fdc;
$custom-dark: #000000;

JSON

{
  "hex": "#307acc",
  "rgb": {
    "r": 48,
    "g": 122,
    "b": 204
  },
  "hsl": {
    "h": 211.538,
    "s": 61.905,
    "l": 49.412
  },
  "oklch": {
    "l": 0.57501,
    "c": 0.1458,
    "h": 253.6
  },
  "luminance": 0.18907
}

Semantic roles & 50–950 ramp

primary

#307ACC

secondary

#D0AE88

accent

#9843E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0B0E15

muted

#7C7E83

Preview Lab

Preview with #307ACC

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

Preview Lab → · Contrast checker → · Palette generator →