#305AC4#305AC4

#305AC4 is a mid, vivid blue. Relative luminance 0.119; OKLCH L 50.0% C 0.173 H 264.6°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#305AC4
RGB	rgb(48, 90, 196)
HSL	hsl(223, 61%, 48%)
HSV	hsv(223, 76%, 77%)
CMYK	cmyk(75.5%, 54.1%, 0%, 23.1%)
CIE-LAB	lab(41.10, 23.11, -59.61)
CIE-LCH	lch(41.10, 63.93, 291.19°)
OKLab	oklab(50.05% -0.0163 -0.1718)
OKLCH	oklch(50.05% 0.173 264.6)
XYZ	xyz(14.8354, 11.9246, 53.7337)
Luminance	0.1193 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305AC4 #C49A30

analogous

#30A4C4 #305AC4 #5030C4

triadic

#305AC4 #C4305A #5AC430

tetradic

#305AC4 #C430A4 #C49A30 #30C450

square

#305AC4 #C430A4 #C49A30 #30C450

split-complementary

#305AC4 #C45030 #A4C430

monochromatic

#182D62 #244393 #305AC4 #5A7ED7 #8CA4E3

Accessibility & contrast

On white

6.20

#305AC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#305AC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305AC4

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305AC4	#FFFFFF	#000000	##FFFFFF
##305AC4	1.00	6.20	3.39	6.20
#FFFFFF	6.20	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068C8

Deuteranopia (green-blind)

#005AC2

Tritanopia (blue-blind)

#007486

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #305ac4;
/* rgb */ color: rgb(48, 90, 196);
/* oklch */ color: oklch(50.0% 0.173 264.6);

Tailwind

colors: {
  custom: {
    50: '#7d88d7',
    500: '#305ac4',
    950: '#000000',
  },
}

SCSS

$custom: #305ac4;
$custom-light: #7d88d7;
$custom-dark: #000000;

JSON

{
  "hex": "#305ac4",
  "rgb": {
    "r": 48,
    "g": 90,
    "b": 196
  },
  "hsl": {
    "h": 222.973,
    "s": 60.656,
    "l": 47.843
  },
  "oklch": {
    "l": 0.50049,
    "c": 0.17254,
    "h": 264.6
  },
  "luminance": 0.11926
}

Semantic roles & 50–950 ramp

primary

#305AC4

secondary

#CDB883

accent

#B644E4

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #305AC4

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

Preview Lab → · Contrast checker → · Palette generator →