#4333B5#4333B5

#4333B5 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.9% C 0.194 H 279.9°. Best body text is #FFFFFF at 8.83:1 contrast (WCAG AA passes).

Color values

HEX	#4333B5
RGB	rgb(67, 51, 181)
HSL	hsl(247, 56%, 45%)
HSV	hsv(247, 72%, 71%)
CMYK	cmyk(63%, 71.8%, 0%, 29%)
CIE-LAB	lab(31.57, 44.65, -66.31)
CIE-LCH	lch(31.57, 79.94, 303.95°)
OKLab	oklab(42.94% 0.0335 -0.1913)
OKLCH	oklch(42.94% 0.194 279.9)
XYZ	xyz(11.8364, 6.8962, 44.4145)
Luminance	0.0690 (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

#4333B5 #A5B533

analogous

#3364B5 #4333B5 #8433B5

triadic

#4333B5 #B54333 #33B543

tetradic

#4333B5 #B53364 #A5B533 #33B584

square

#4333B5 #B53364 #A5B533 #33B584

split-complementary

#4333B5 #B58433 #64B533

monochromatic

#201856 #312685 #4333B5 #6556CF #9086DD

Accessibility & contrast

On white

8.83

#4333B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#4333B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4333B5

8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4333B5	#FFFFFF	#000000	##FFFFFF
##4333B5	1.00	8.83	2.38	8.83
#FFFFFF	8.83	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB9

Deuteranopia (green-blind)

#0045B3

Tritanopia (blue-blind)

#005771

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #4333b5;
/* rgb */ color: rgb(67, 51, 181);
/* oklch */ color: oklch(42.9% 0.194 279.9);

Tailwind

colors: {
  custom: {
    50: '#856dcc',
    500: '#4333b5',
    950: '#000000',
  },
}

SCSS

$custom: #4333b5;
$custom-light: #856dcc;
$custom-dark: #000000;

JSON

{
  "hex": "#4333b5",
  "rgb": {
    "r": 67,
    "g": 51,
    "b": 181
  },
  "hsl": {
    "h": 247.385,
    "s": 56.034,
    "l": 45.49
  },
  "oklch": {
    "l": 0.42937,
    "c": 0.1942,
    "h": 279.9
  },
  "luminance": 0.06897
}

Semantic roles & 50–950 ramp

primary

#4333B5

secondary

#BDC67D

accent

#DF48CD

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #4333B5

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

Preview Lab → · Contrast checker → · Palette generator →