#4339BC#4339BC

#4339BC is a dark, vivid blue. Relative luminance 0.077; OKLCH L 44.5% C 0.196 H 278.2°. Best body text is #FFFFFF at 8.24:1 contrast (WCAG AA passes).

Color values

HEX	#4339BC
RGB	rgb(67, 57, 188)
HSL	hsl(245, 53%, 48%)
HSV	hsv(245, 70%, 74%)
CMYK	cmyk(64.4%, 69.7%, 0%, 26.3%)
CIE-LAB	lab(33.46, 43.46, -67.35)
CIE-LCH	lch(33.46, 80.16, 302.83°)
OKLab	oklab(44.48% 0.028 -0.1943)
OKLCH	oklch(44.48% 0.196 278.2)
XYZ	xyz(12.8520, 7.7493, 48.3857)
Luminance	0.0775 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4339BC #B2BC39

analogous

#3970BC #4339BC #8439BC

triadic

#4339BC #BC4339 #39BC43

tetradic

#4339BC #BC3970 #B2BC39 #39BC84

square

#4339BC #BC3970 #B2BC39 #39BC84

split-complementary

#4339BC #BC8439 #70BC39

monochromatic

#221D5E #322B8D #4339BC #6B63D0 #9792DE

Accessibility & contrast

On white

8.24

#4339BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#4339BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4339BC

8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4339BC	#FFFFFF	#000000	##FFFFFF
##4339BC	1.00	8.24	2.55	8.24
#FFFFFF	8.24	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C0

Deuteranopia (green-blind)

#0049BA

Tritanopia (blue-blind)

#005C76

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #4339bc;
/* rgb */ color: rgb(67, 57, 188);
/* oklch */ color: oklch(44.5% 0.196 278.2);

Tailwind

colors: {
  custom: {
    50: '#8671d1',
    500: '#4339bc',
    950: '#000000',
  },
}

SCSS

$custom: #4339bc;
$custom-light: #8671d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4339bc",
  "rgb": {
    "r": 67,
    "g": 57,
    "b": 188
  },
  "hsl": {
    "h": 244.58,
    "s": 53.469,
    "l": 48.039
  },
  "oklch": {
    "l": 0.44483,
    "c": 0.19636,
    "h": 278.2
  },
  "luminance": 0.0775
}

Semantic roles & 50–950 ramp

primary

#4339BC

secondary

#C4C988

accent

#DD4BD2

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #4339BC

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

Preview Lab → · Contrast checker → · Palette generator →