#4373BD#4373BD

#4373BD is a mid, vivid blue. Relative luminance 0.171; OKLCH L 55.7% C 0.127 H 258.8°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#4373BD
RGB	rgb(67, 115, 189)
HSL	hsl(216, 48%, 50%)
HSV	hsv(216, 65%, 74%)
CMYK	cmyk(64.6%, 39.2%, 0%, 25.9%)
CIE-LAB	lab(48.42, 7.47, -43.76)
CIE-LCH	lch(48.42, 44.39, 279.68°)
OKLab	oklab(55.74% -0.0247 -0.1244)
OKLCH	oklch(55.74% 0.127 258.8)
XYZ	xyz(17.6275, 17.1272, 50.5112)
Luminance	0.1713 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4373BD #BD8D43

analogous

#43B0BD #4373BD #5043BD

triadic

#4373BD #BD4373 #73BD43

tetradic

#4373BD #BD43B0 #BD8D43 #43BD50

square

#4373BD #BD43B0 #BD8D43 #43BD50

split-complementary

#4373BD #BD5043 #B0BD43

monochromatic

#233C63 #335790 #4373BD #7095CD #9EB6DD

Accessibility & contrast

On white

4.74

#4373BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#4373BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4373BD

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4373BD	#FFFFFF	#000000	##FFFFFF
##4373BD	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5279C0

Deuteranopia (green-blind)

#416EBB

Tritanopia (blue-blind)

#00848F

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4373bd;
/* rgb */ color: rgb(67, 115, 189);
/* oklch */ color: oklch(55.7% 0.127 258.8);

Tailwind

colors: {
  custom: {
    50: '#839ad1',
    500: '#4373bd',
    950: '#000000',
  },
}

SCSS

$custom: #4373bd;
$custom-light: #839ad1;
$custom-dark: #000000;

JSON

{
  "hex": "#4373bd",
  "rgb": {
    "r": 67,
    "g": 115,
    "b": 189
  },
  "hsl": {
    "h": 216.393,
    "s": 48.031,
    "l": 50.196
  },
  "oklch": {
    "l": 0.55744,
    "c": 0.12687,
    "h": 258.8
  },
  "luminance": 0.17129
}

Semantic roles & 50–950 ramp

primary

#4373BD

secondary

#C9B493

accent

#A250D8

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4373BD

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

Preview Lab → · Contrast checker → · Palette generator →