#305AD1#305AD1

#305AD1 is a mid, vivid blue. Relative luminance 0.125; OKLCH L 51.1% C 0.190 H 265.3°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#305AD1
RGB	rgb(48, 90, 209)
HSL	hsl(224, 64%, 50%)
HSV	hsv(224, 77%, 82%)
CMYK	cmyk(77%, 56.9%, 0%, 18%)
CIE-LAB	lab(42.07, 27.96, -65.54)
CIE-LCH	lch(42.07, 71.25, 293.11°)
OKLab	oklab(51.08% -0.0155 -0.1892)
OKLCH	oklch(51.08% 0.19 265.3)
XYZ	xyz(16.3796, 12.5423, 61.8669)
Luminance	0.1254 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305AD1 #D1A730

analogous

#30AAD1 #305AD1 #5730D1

triadic

#305AD1 #D1305A #5AD130

tetradic

#305AD1 #D130AA #D1A730 #30D157

square

#305AD1 #D130AA #D1A730 #30D157

split-complementary

#305AD1 #D15730 #AAD130

monochromatic

#182F6E #2444A0 #305AD1 #6282DC #94AAE7

Accessibility & contrast

On white

5.98

#305AD1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#305AD1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305AD1

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305AD1	#FFFFFF	#000000	##FFFFFF
##305AD1	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD5

Deuteranopia (green-blind)

#005CCF

Tritanopia (blue-blind)

#00788D

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #305ad1;
/* rgb */ color: rgb(48, 90, 209);
/* oklch */ color: oklch(51.1% 0.190 265.3);

Tailwind

colors: {
  custom: {
    50: '#8088e0',
    500: '#305ad1',
    950: '#000000',
  },
}

SCSS

$custom: #305ad1;
$custom-light: #8088e0;
$custom-dark: #000000;

JSON

{
  "hex": "#305ad1",
  "rgb": {
    "r": 48,
    "g": 90,
    "b": 209
  },
  "hsl": {
    "h": 224.348,
    "s": 63.636,
    "l": 50.392
  },
  "oklch": {
    "l": 0.51084,
    "c": 0.18984,
    "h": 265.3
  },
  "luminance": 0.12544
}

Semantic roles & 50–950 ramp

primary

#305AD1

secondary

#D2C08A

accent

#BB41E7

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #305AD1

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

Preview Lab → · Contrast checker → · Palette generator →