#305CC7#305CC7

#305CC7 is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.7% C 0.174 H 264.2°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#305CC7
RGB	rgb(48, 92, 199)
HSL	hsl(223, 61%, 48%)
HSV	hsv(223, 76%, 78%)
CMYK	cmyk(75.9%, 53.8%, 0%, 22%)
CIE-LAB	lab(41.85, 22.93, -60.12)
CIE-LCH	lch(41.85, 64.35, 290.88°)
OKLab	oklab(50.69% -0.0175 -0.1732)
OKLCH	oklch(50.69% 0.174 264.2)
XYZ	xyz(15.3512, 12.4045, 55.6070)
Luminance	0.1241 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305CC7 #C79B30

analogous

#30A7C7 #305CC7 #5030C7

triadic

#305CC7 #C7305C #5CC730

tetradic

#305CC7 #C730A7 #C79B30 #30C750

square

#305CC7 #C730A7 #C79B30 #30C750

split-complementary

#305CC7 #C75030 #A7C730

monochromatic

#182E64 #244596 #305CC7 #5C80D8 #8EA7E4

Accessibility & contrast

On white

6.03

#305CC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#305CC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305CC7

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305CC7	#FFFFFF	#000000	##FFFFFF
##305CC7	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ACB

Deuteranopia (green-blind)

#005CC5

Tritanopia (blue-blind)

#007688

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #305cc7;
/* rgb */ color: rgb(48, 92, 199);
/* oklch */ color: oklch(50.7% 0.174 264.2);

Tailwind

colors: {
  custom: {
    50: '#7e89d9',
    500: '#305cc7',
    950: '#000000',
  },
}

SCSS

$custom: #305cc7;
$custom-light: #7e89d9;
$custom-dark: #000000;

JSON

{
  "hex": "#305cc7",
  "rgb": {
    "r": 48,
    "g": 92,
    "b": 199
  },
  "hsl": {
    "h": 222.517,
    "s": 61.134,
    "l": 48.431
  },
  "oklch": {
    "l": 0.50689,
    "c": 0.17414,
    "h": 264.2
  },
  "luminance": 0.12406
}

Semantic roles & 50–950 ramp

primary

#305CC7

secondary

#CEB985

accent

#B544E4

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0B0B15

muted

#7C7C83

Preview Lab

Preview with #305CC7

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

Preview Lab → · Contrast checker → · Palette generator →