#4338B8#4338B8

#4338B8 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 44.0% C 0.192 H 278.8°. Best body text is #FFFFFF at 8.41:1 contrast (WCAG AA passes).

Color values

HEX	#4338B8
RGB	rgb(67, 56, 184)
HSL	hsl(245, 53%, 47%)
HSV	hsv(245, 70%, 72%)
CMYK	cmyk(63.6%, 69.6%, 0%, 27.8%)
CIE-LAB	lab(32.88, 42.75, -65.94)
CIE-LCH	lch(32.88, 78.59, 302.96°)
OKLab	oklab(43.96% 0.0294 -0.1902)
OKLCH	oklch(43.96% 0.192 278.8)
XYZ	xyz(12.3779, 7.4814, 46.1299)
Luminance	0.0748 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.98

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4338B8 #ADB838

analogous

#386DB8 #4338B8 #8338B8

triadic

#4338B8 #B84338 #38B843

tetradic

#4338B8 #B8386D #ADB838 #38B883

square

#4338B8 #B8386D #ADB838 #38B883

split-complementary

#4338B8 #B88338 #6DB838

monochromatic

#211B5A #322A89 #4338B8 #685FCE #958EDD

Accessibility & contrast

On white

8.41

#4338B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#4338B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4338B8

8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4338B8	#FFFFFF	#000000	##FFFFFF
##4338B8	1.00	8.41	2.50	8.41
#FFFFFF	8.41	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052BC

Deuteranopia (green-blind)

#0048B6

Tritanopia (blue-blind)

#005A74

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #4338b8;
/* rgb */ color: rgb(67, 56, 184);
/* oklch */ color: oklch(44.0% 0.192 278.8);

Tailwind

colors: {
  custom: {
    50: '#8570ce',
    500: '#4338b8',
    950: '#000000',
  },
}

SCSS

$custom: #4338b8;
$custom-light: #8570ce;
$custom-dark: #000000;

JSON

{
  "hex": "#4338b8",
  "rgb": {
    "r": 67,
    "g": 56,
    "b": 184
  },
  "hsl": {
    "h": 245.156,
    "s": 53.333,
    "l": 47.059
  },
  "oklch": {
    "l": 0.43958,
    "c": 0.19246,
    "h": 278.8
  },
  "luminance": 0.07482
}

Semantic roles & 50–950 ramp

primary

#4338B8

secondary

#C1C785

accent

#DD4BD0

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #4338B8

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

Preview Lab → · Contrast checker → · Palette generator →