#4339CB#4339CB

#4339CB is a mid, highly saturated blue. Relative luminance 0.084; OKLCH L 45.9% C 0.215 H 276.8°. Best body text is #FFFFFF at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#4339CB
RGB	rgb(67, 57, 203)
HSL	hsl(244, 58%, 51%)
HSV	hsv(244, 72%, 80%)
CMYK	cmyk(67%, 71.9%, 0%, 20.4%)
CIE-LAB	lab(34.86, 48.26, -73.82)
CIE-LCH	lch(34.86, 88.20, 303.17°)
OKLab	oklab(45.92% 0.0254 -0.2133)
OKLCH	oklch(45.92% 0.215 276.8)
XYZ	xyz(14.5538, 8.4301, 57.3485)
Luminance	0.0843 (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

#4339CB #C1CB39

analogous

#3978CB #4339CB #8C39CB

triadic

#4339CB #CB4339 #39CB43

tetradic

#4339CB #CB3978 #C1CB39 #39CB8C

square

#4339CB #CB3978 #C1CB39 #39CB8C

split-complementary

#4339CB #CB8C39 #78CB39

monochromatic

#221D6D #31299D #4339CB #7169D8 #9F9AE4

Accessibility & contrast

On white

7.82

#4339CB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#4339CB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4339CB

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4339CB	#FFFFFF	#000000	##FFFFFF
##4339CB	1.00	7.82	2.69	7.82
#FFFFFF	7.82	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058CF

Deuteranopia (green-blind)

#004CC8

Tritanopia (blue-blind)

#00627E

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #4339cb;
/* rgb */ color: rgb(67, 57, 203);
/* oklch */ color: oklch(45.9% 0.215 276.8);

Tailwind

colors: {
  custom: {
    50: '#8971dc',
    500: '#4339cb',
    950: '#000000',
  },
}

SCSS

$custom: #4339cb;
$custom-light: #8971dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4339cb",
  "rgb": {
    "r": 67,
    "g": 57,
    "b": 203
  },
  "hsl": {
    "h": 244.11,
    "s": 58.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.45916,
    "c": 0.21477,
    "h": 276.8
  },
  "luminance": 0.08431
}

Semantic roles & 50–950 ramp

primary

#4339CB

secondary

#CCD090

accent

#E246D7

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4339CB

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

Preview Lab → · Contrast checker → · Palette generator →