#4347A5#4347A5

#4347A5 is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.9% C 0.149 H 276.8°. Best body text is #FFFFFF at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#4347A5
RGB	rgb(67, 71, 165)
HSL	hsl(238, 42%, 45%)
HSV	hsv(238, 59%, 65%)
CMYK	cmyk(59.4%, 57%, 0%, 35.3%)
CIE-LAB	lab(34.83, 27.16, -51.44)
CIE-LCH	lch(34.83, 58.17, 297.84°)
OKLab	oklab(44.9% 0.0175 -0.1476)
OKLCH	oklch(44.9% 0.149 276.8)
XYZ	xyz(11.3573, 8.4155, 36.6159)
Luminance	0.0842 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4347A5 #A5A143

analogous

#4378A5 #4347A5 #7043A5

triadic

#4347A5 #A54347 #47A543

tetradic

#4347A5 #A54378 #A5A143 #43A570

square

#4347A5 #A54378 #A5A143 #43A570

split-complementary

#4347A5 #A57043 #78A543

monochromatic

#20224E #313479 #4347A5 #6569C0 #9093D2

Accessibility & contrast

On white

7.83

#4347A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#4347A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4347A5

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4347A5	#FFFFFF	#000000	##FFFFFF
##4347A5	1.00	7.83	2.68	7.83
#FFFFFF	7.83	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056A8

Deuteranopia (green-blind)

#004EA3

Tritanopia (blue-blind)

#005D6F

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #4347a5;
/* rgb */ color: rgb(67, 71, 165);
/* oklch */ color: oklch(44.9% 0.149 276.8);

Tailwind

colors: {
  custom: {
    50: '#817ac0',
    500: '#4347a5',
    950: '#000000',
  },
}

SCSS

$custom: #4347a5;
$custom-light: #817ac0;
$custom-dark: #000000;

JSON

{
  "hex": "#4347a5",
  "rgb": {
    "r": 67,
    "g": 71,
    "b": 165
  },
  "hsl": {
    "h": 237.551,
    "s": 42.241,
    "l": 45.49
  },
  "oklch": {
    "l": 0.44903,
    "c": 0.14861,
    "h": 276.8
  },
  "luminance": 0.08416
}

Semantic roles & 50–950 ramp

primary

#4347A5

secondary

#BDBB86

accent

#CD56D2

background

#F8F7FB

surface

#EFEDF7

border

#CAC8D0

text

#0B0912

muted

#7C7B81

Preview Lab

Preview with #4347A5

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

Preview Lab → · Contrast checker → · Palette generator →