#4374BD#4374BD

#4374BD is a mid, vivid blue. Relative luminance 0.174; OKLCH L 56.0% C 0.126 H 258.2°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#4374BD
RGB	rgb(67, 116, 189)
HSL	hsl(216, 48%, 50%)
HSV	hsv(216, 65%, 74%)
CMYK	cmyk(64.6%, 38.6%, 0%, 25.9%)
CIE-LAB	lab(48.71, 6.85, -43.30)
CIE-LCH	lch(48.71, 43.84, 278.99°)
OKLab	oklab(55.97% -0.0257 -0.1231)
OKLCH	oklch(55.97% 0.126 258.2)
XYZ	xyz(17.7422, 17.3565, 50.5494)
Luminance	0.1736 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4374BD #BD8C43

analogous

#43B1BD #4374BD #4F43BD

triadic

#4374BD #BD4374 #74BD43

tetradic

#4374BD #BD43B1 #BD8C43 #43BD4F

square

#4374BD #BD43B1 #BD8C43 #43BD4F

split-complementary

#4374BD #BD4F43 #B1BD43

monochromatic

#233C63 #335890 #4374BD #7095CD #9EB7DD

Accessibility & contrast

On white

4.70

#4374BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#4374BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4374BD

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4374BD	#FFFFFF	#000000	##FFFFFF
##4374BD	1.00	4.70	4.47	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#547AC0

Deuteranopia (green-blind)

#426EBB

Tritanopia (blue-blind)

#00858F

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4374bd;
/* rgb */ color: rgb(67, 116, 189);
/* oklch */ color: oklch(56.0% 0.126 258.2);

Tailwind

colors: {
  custom: {
    50: '#839bd1',
    500: '#4374bd',
    950: '#000000',
  },
}

SCSS

$custom: #4374bd;
$custom-light: #839bd1;
$custom-dark: #000000;

JSON

{
  "hex": "#4374bd",
  "rgb": {
    "r": 67,
    "g": 116,
    "b": 189
  },
  "hsl": {
    "h": 215.902,
    "s": 48.031,
    "l": 50.196
  },
  "oklch": {
    "l": 0.55967,
    "c": 0.12576,
    "h": 258.2
  },
  "luminance": 0.17358
}

Semantic roles & 50–950 ramp

primary

#4374BD

secondary

#C9B393

accent

#A150D8

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4374BD

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

Preview Lab → · Contrast checker → · Palette generator →