#4339BA#4339BA

#4339BA is a dark, vivid blue. Relative luminance 0.077; OKLCH L 44.3% C 0.194 H 278.4°. Best body text is #FFFFFF at 8.29:1 contrast (WCAG AA passes).

Color values

HEX	#4339BA
RGB	rgb(67, 57, 186)
HSL	hsl(245, 53%, 48%)
HSV	hsv(245, 69%, 73%)
CMYK	cmyk(64%, 69.4%, 0%, 27.1%)
CIE-LAB	lab(33.27, 42.82, -66.47)
CIE-LCH	lch(33.27, 79.07, 302.79°)
OKLab	oklab(44.3% 0.0283 -0.1918)
OKLCH	oklch(44.3% 0.194 278.4)
XYZ	xyz(12.6379, 7.6637, 47.2581)
Luminance	0.0766 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.81

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4339BA #B0BA39

analogous

#3970BA #4339BA #8339BA

triadic

#4339BA #BA4339 #39BA43

tetradic

#4339BA #BA3970 #B0BA39 #39BA83

square

#4339BA #BA3970 #B0BA39 #39BA83

split-complementary

#4339BA #BA8339 #70BA39

monochromatic

#211C5C #322B8B #4339BA #6A61CF #9690DD

Accessibility & contrast

On white

8.29

#4339BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#4339BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4339BA

8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4339BA	#FFFFFF	#000000	##FFFFFF
##4339BA	1.00	8.29	2.53	8.29
#FFFFFF	8.29	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053BE

Deuteranopia (green-blind)

#0049B8

Tritanopia (blue-blind)

#005C75

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #4339ba;
/* rgb */ color: rgb(67, 57, 186);
/* oklch */ color: oklch(44.3% 0.194 278.4);

Tailwind

colors: {
  custom: {
    50: '#8671d0',
    500: '#4339ba',
    950: '#000000',
  },
}

SCSS

$custom: #4339ba;
$custom-light: #8671d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4339ba",
  "rgb": {
    "r": 67,
    "g": 57,
    "b": 186
  },
  "hsl": {
    "h": 244.651,
    "s": 53.086,
    "l": 47.647
  },
  "oklch": {
    "l": 0.44296,
    "c": 0.19386,
    "h": 278.4
  },
  "luminance": 0.07665
}

Semantic roles & 50–950 ramp

primary

#4339BA

secondary

#C3C887

accent

#DC4BD1

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #4339BA

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

Preview Lab → · Contrast checker → · Palette generator →