#305ED0#305ED0

#305ED0 is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.8% C 0.184 H 264.3°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#305ED0
RGB	rgb(48, 94, 208)
HSL	hsl(223, 63%, 50%)
HSV	hsv(223, 77%, 82%)
CMYK	cmyk(76.9%, 54.8%, 0%, 18.4%)
CIE-LAB	lab(43.04, 25.01, -63.38)
CIE-LCH	lch(43.04, 68.13, 291.54°)
OKLab	oklab(51.8% -0.0183 -0.1828)
OKLCH	oklch(51.8% 0.184 264.3)
XYZ	xyz(16.6028, 13.1860, 61.3324)
Luminance	0.1319 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305ED0 #D0A230

analogous

#30AED0 #305ED0 #5230D0

triadic

#305ED0 #D0305E #5ED030

tetradic

#305ED0 #D030AE #D0A230 #30D052

square

#305ED0 #D030AE #D0A230 #30D052

split-complementary

#305ED0 #D05230 #AED030

monochromatic

#19316D #24479F #305ED0 #6285DB #94ACE7

Accessibility & contrast

On white

5.77

#305ED0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#305ED0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305ED0

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305ED0	#FFFFFF	#000000	##FFFFFF
##305ED0	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD4

Deuteranopia (green-blind)

#005FCE

Tritanopia (blue-blind)

#007A8E

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #305ed0;
/* rgb */ color: rgb(48, 94, 208);
/* oklch */ color: oklch(51.8% 0.184 264.3);

Tailwind

colors: {
  custom: {
    50: '#808bdf',
    500: '#305ed0',
    950: '#000000',
  },
}

SCSS

$custom: #305ed0;
$custom-light: #808bdf;
$custom-dark: #000000;

JSON

{
  "hex": "#305ed0",
  "rgb": {
    "r": 48,
    "g": 94,
    "b": 208
  },
  "hsl": {
    "h": 222.75,
    "s": 62.992,
    "l": 50.196
  },
  "oklch": {
    "l": 0.51796,
    "c": 0.1837,
    "h": 264.3
  },
  "luminance": 0.13188
}

Semantic roles & 50–950 ramp

primary

#305ED0

secondary

#D2BD8A

accent

#B742E6

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #305ED0

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

Preview Lab → · Contrast checker → · Palette generator →