#4333B2#4333B2

#4333B2 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.7% C 0.191 H 280.3°. Best body text is #FFFFFF at 8.92:1 contrast (WCAG AA passes).

Color values

HEX	#4333B2
RGB	rgb(67, 51, 178)
HSL	hsl(248, 55%, 45%)
HSV	hsv(248, 71%, 70%)
CMYK	cmyk(62.4%, 71.3%, 0%, 30.2%)
CIE-LAB	lab(31.29, 43.70, -64.99)
CIE-LCH	lch(31.29, 78.32, 303.92°)
OKLab	oklab(42.65% 0.0341 -0.1874)
OKLCH	oklch(42.65% 0.191 280.3)
XYZ	xyz(11.5319, 6.7744, 42.8108)
Luminance	0.0678 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 4.08

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4333B2 #A2B233

analogous

#3363B2 #4333B2 #8333B2

triadic

#4333B2 #B24333 #33B243

tetradic

#4333B2 #B23363 #A2B233 #33B283

square

#4333B2 #B23363 #A2B233 #33B283

split-complementary

#4333B2 #B28333 #63B233

monochromatic

#1F1853 #312582 #4333B2 #6454CE #8F84DC

Accessibility & contrast

On white

8.92

#4333B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#4333B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4333B2

8.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4333B2	#FFFFFF	#000000	##FFFFFF
##4333B2	1.00	8.92	2.36	8.92
#FFFFFF	8.92	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EB6

Deuteranopia (green-blind)

#0045B0

Tritanopia (blue-blind)

#00566F

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #4333b2;
/* rgb */ color: rgb(67, 51, 178);
/* oklch */ color: oklch(42.7% 0.191 280.3);

Tailwind

colors: {
  custom: {
    50: '#846dca',
    500: '#4333b2',
    950: '#000000',
  },
}

SCSS

$custom: #4333b2;
$custom-light: #846dca;
$custom-dark: #000000;

JSON

{
  "hex": "#4333b2",
  "rgb": {
    "r": 67,
    "g": 51,
    "b": 178
  },
  "hsl": {
    "h": 247.559,
    "s": 55.459,
    "l": 44.902
  },
  "oklch": {
    "l": 0.42651,
    "c": 0.1905,
    "h": 280.3
  },
  "luminance": 0.06775
}

Semantic roles & 50–950 ramp

primary

#4333B2

secondary

#BCC57C

accent

#DF49CC

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4333B2

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

Preview Lab → · Contrast checker → · Palette generator →