#305FD0#305FD0

#305FD0 is a mid, vivid blue. Relative luminance 0.134; OKLCH L 52.0% C 0.182 H 264.0°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#305FD0
RGB	rgb(48, 95, 208)
HSL	hsl(222, 63%, 50%)
HSV	hsv(222, 77%, 82%)
CMYK	cmyk(76.9%, 54.3%, 0%, 18.4%)
CIE-LAB	lab(43.31, 24.36, -62.94)
CIE-LCH	lch(43.31, 67.50, 291.16°)
OKLab	oklab(52% -0.019 -0.1815)
OKLCH	oklch(52% 0.182 264)
XYZ	xyz(16.6923, 13.3650, 61.3622)
Luminance	0.1337 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305FD0 #D0A130

analogous

#30AFD0 #305FD0 #5130D0

triadic

#305FD0 #D0305F #5FD030

tetradic

#305FD0 #D030AF #D0A130 #30D051

square

#305FD0 #D030AF #D0A130 #30D051

split-complementary

#305FD0 #D05130 #AFD030

monochromatic

#19316D #24489F #305FD0 #6286DB #94ACE7

Accessibility & contrast

On white

5.72

#305FD0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#305FD0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305FD0

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305FD0	#FFFFFF	#000000	##FFFFFF
##305FD0	1.00	5.72	3.67	5.72
#FFFFFF	5.72	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ED4

Deuteranopia (green-blind)

#005FCE

Tritanopia (blue-blind)

#007B8E

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #305fd0;
/* rgb */ color: rgb(48, 95, 208);
/* oklch */ color: oklch(52.0% 0.182 264.0);

Tailwind

colors: {
  custom: {
    50: '#808bdf',
    500: '#305fd0',
    950: '#000000',
  },
}

SCSS

$custom: #305fd0;
$custom-light: #808bdf;
$custom-dark: #000000;

JSON

{
  "hex": "#305fd0",
  "rgb": {
    "r": 48,
    "g": 95,
    "b": 208
  },
  "hsl": {
    "h": 222.375,
    "s": 62.992,
    "l": 50.196
  },
  "oklch": {
    "l": 0.51997,
    "c": 0.18249,
    "h": 264
  },
  "luminance": 0.13367
}

Semantic roles & 50–950 ramp

primary

#305FD0

secondary

#D2BD8A

accent

#B642E6

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #305FD0

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

Preview Lab → · Contrast checker → · Palette generator →