#307AC7#307AC7

#307AC7 is a mid, vivid cyan. Relative luminance 0.187; OKLCH L 57.2% C 0.139 H 252.3°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#307AC7
RGB	rgb(48, 122, 199)
HSL	hsl(211, 61%, 48%)
HSV	hsv(211, 76%, 78%)
CMYK	cmyk(75.9%, 38.7%, 0%, 22%)
CIE-LAB	lab(50.30, 3.91, -46.55)
CIE-LCH	lch(50.30, 46.72, 274.81°)
OKLab	oklab(57.19% -0.0423 -0.1328)
OKLCH	oklch(57.19% 0.139 252.3)
XYZ	xyz(18.4834, 18.6688, 56.6511)
Luminance	0.1867 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307AC7 #C77D30

analogous

#30C5C7 #307AC7 #3130C7

triadic

#307AC7 #C7307A #7AC730

tetradic

#307AC7 #C730C5 #C77D30 #30C731

square

#307AC7 #C730C5 #C77D30 #30C731

split-complementary

#307AC7 #C73130 #C5C730

monochromatic

#183E64 #245C96 #307AC7 #5C99D8 #8EB8E4

Accessibility & contrast

On white

4.44

#307AC7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#307AC7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307AC7

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307AC7	#FFFFFF	#000000	##000000
##307AC7	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)

#567FCA

Deuteranopia (green-blind)

#3E71C5

Tritanopia (blue-blind)

#008C97

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #307ac7;
/* rgb */ color: rgb(48, 122, 199);
/* oklch */ color: oklch(57.2% 0.139 252.3);

Tailwind

colors: {
  custom: {
    50: '#7da0d8',
    500: '#307ac7',
    950: '#000000',
  },
}

SCSS

$custom: #307ac7;
$custom-light: #7da0d8;
$custom-dark: #000000;

JSON

{
  "hex": "#307ac7",
  "rgb": {
    "r": 48,
    "g": 122,
    "b": 199
  },
  "hsl": {
    "h": 210.596,
    "s": 61.134,
    "l": 48.431
  },
  "oklch": {
    "l": 0.57193,
    "c": 0.13939,
    "h": 252.3
  },
  "luminance": 0.18671
}

Semantic roles & 50–950 ramp

primary

#307AC7

secondary

#CEAA85

accent

#9544E4

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #307AC7

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

Preview Lab → · Contrast checker → · Palette generator →