#4339B2#4339B2

#4339B2 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.6% C 0.184 H 279.2°. Best body text is #FFFFFF at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#4339B2
RGB	rgb(67, 57, 178)
HSL	hsl(245, 51%, 46%)
HSV	hsv(245, 68%, 70%)
CMYK	cmyk(62.4%, 68%, 0%, 30.2%)
CIE-LAB	lab(32.55, 40.23, -62.91)
CIE-LCH	lch(32.55, 74.68, 302.60°)
OKLab	oklab(43.56% 0.0295 -0.1813)
OKLCH	oklch(43.56% 0.184 279.2)
XYZ	xyz(11.8112, 7.3330, 42.9038)
Luminance	0.0733 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.80

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4339B2 #A8B239

analogous

#396BB2 #4339B2 #7F39B2

triadic

#4339B2 #B24339 #39B243

tetradic

#4339B2 #B2396B #A8B239 #39B27F

square

#4339B2 #B2396B #A8B239 #39B27F

split-complementary

#4339B2 #B27F39 #6BB239

monochromatic

#201B55 #322A84 #4339B2 #665DCB #928BDA

Accessibility & contrast

On white

8.51

#4339B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#4339B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4339B2

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4339B2	#FFFFFF	#000000	##FFFFFF
##4339B2	1.00	8.51	2.47	8.51
#FFFFFF	8.51	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B6

Deuteranopia (green-blind)

#0048B0

Tritanopia (blue-blind)

#005971

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #4339b2;
/* rgb */ color: rgb(67, 57, 178);
/* oklch */ color: oklch(43.6% 0.184 279.2);

Tailwind

colors: {
  custom: {
    50: '#8470ca',
    500: '#4339b2',
    950: '#000000',
  },
}

SCSS

$custom: #4339b2;
$custom-light: #8470ca;
$custom-dark: #000000;

JSON

{
  "hex": "#4339b2",
  "rgb": {
    "r": 67,
    "g": 57,
    "b": 178
  },
  "hsl": {
    "h": 244.959,
    "s": 51.489,
    "l": 46.078
  },
  "oklch": {
    "l": 0.43558,
    "c": 0.18373,
    "h": 279.2
  },
  "luminance": 0.07334
}

Semantic roles & 50–950 ramp

primary

#4339B2

secondary

#BFC482

accent

#DB4DCF

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4339B2

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

Preview Lab → · Contrast checker → · Palette generator →