#305CC3#305CC3

#305CC3 is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.4% C 0.169 H 263.9°. Best body text is #FFFFFF at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#305CC3
RGB	rgb(48, 92, 195)
HSL	hsl(222, 60%, 48%)
HSV	hsv(222, 75%, 76%)
CMYK	cmyk(75.4%, 52.8%, 0%, 23.5%)
CIE-LAB	lab(41.57, 21.43, -58.27)
CIE-LCH	lch(41.57, 62.08, 290.19°)
OKLab	oklab(50.38% -0.0179 -0.1678)
OKLCH	oklch(50.38% 0.169 263.9)
XYZ	xyz(14.8929, 12.2211, 53.1932)
Luminance	0.1222 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305CC3 #C39730

analogous

#30A5C3 #305CC3 #4E30C3

triadic

#305CC3 #C3305C #5CC330

tetradic

#305CC3 #C330A5 #C39730 #30C34E

square

#305CC3 #C330A5 #C39730 #30C34E

split-complementary

#305CC3 #C34E30 #A5C330

monochromatic

#182E61 #244592 #305CC3 #5A7FD6 #8BA5E2

Accessibility & contrast

On white

6.10

#305CC3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#305CC3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305CC3

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305CC3	#FFFFFF	#000000	##FFFFFF
##305CC3	1.00	6.10	3.44	6.10
#FFFFFF	6.10	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1069C7

Deuteranopia (green-blind)

#005CC1

Tritanopia (blue-blind)

#007586

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #305cc3;
/* rgb */ color: rgb(48, 92, 195);
/* oklch */ color: oklch(50.4% 0.169 263.9);

Tailwind

colors: {
  custom: {
    50: '#7d89d6',
    500: '#305cc3',
    950: '#000000',
  },
}

SCSS

$custom: #305cc3;
$custom-light: #7d89d6;
$custom-dark: #000000;

JSON

{
  "hex": "#305cc3",
  "rgb": {
    "r": 48,
    "g": 92,
    "b": 195
  },
  "hsl": {
    "h": 222.041,
    "s": 60.494,
    "l": 47.647
  },
  "oklch": {
    "l": 0.50381,
    "c": 0.16874,
    "h": 263.9
  },
  "luminance": 0.12223
}

Semantic roles & 50–950 ramp

primary

#305CC3

secondary

#CCB682

accent

#B444E4

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #305CC3

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

Preview Lab → · Contrast checker → · Palette generator →