#303EBD#303EBD

#303EBD is a dark, vivid blue. Relative luminance 0.077; OKLCH L 44.2% C 0.197 H 270.7°. Best body text is #FFFFFF at 8.24:1 contrast (WCAG AA passes).

Color values

HEX	#303EBD
RGB	rgb(48, 62, 189)
HSL	hsl(234, 59%, 46%)
HSV	hsv(234, 75%, 74%)
CMYK	cmyk(74.6%, 67.2%, 0%, 25.9%)
CIE-LAB	lab(33.45, 38.55, -68.00)
CIE-LCH	lch(33.45, 78.16, 299.55°)
OKLab	oklab(44.19% 0.0024 -0.1967)
OKLCH	oklch(44.19% 0.197 270.7)
XYZ	xyz(12.1237, 7.7465, 48.9905)
Luminance	0.0775 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303EBD #BDAF30

analogous

#3085BD #303EBD #6930BD

triadic

#303EBD #BD303E #3EBD30

tetradic

#303EBD #BD3085 #BDAF30 #30BD69

square

#303EBD #BD3085 #BDAF30 #30BD69

split-complementary

#303EBD #BD6930 #85BD30

monochromatic

#171E5B #242E8C #303EBD #5663D4 #8790E0

Accessibility & contrast

On white

8.24

#303EBD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#303EBD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303EBD

8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303EBD	#FFFFFF	#000000	##FFFFFF
##303EBD	1.00	8.24	2.55	8.24
#FFFFFF	8.24	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C1

Deuteranopia (green-blind)

#0048BB

Tritanopia (blue-blind)

#006078

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #303ebd;
/* rgb */ color: rgb(48, 62, 189);
/* oklch */ color: oklch(44.2% 0.197 270.7);

Tailwind

colors: {
  custom: {
    50: '#7e73d2',
    500: '#303ebd',
    950: '#000000',
  },
}

SCSS

$custom: #303ebd;
$custom-light: #7e73d2;
$custom-dark: #000000;

JSON

{
  "hex": "#303ebd",
  "rgb": {
    "r": 48,
    "g": 62,
    "b": 189
  },
  "hsl": {
    "h": 234.043,
    "s": 59.494,
    "l": 46.471
  },
  "oklch": {
    "l": 0.4419,
    "c": 0.19673,
    "h": 270.7
  },
  "luminance": 0.07748
}

Semantic roles & 50–950 ramp

primary

#303EBD

secondary

#CAC37F

accent

#D345E3

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0B0814

muted

#7C7B83

Preview Lab

Preview with #303EBD

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

Preview Lab → · Contrast checker → · Palette generator →