#4033B2#4033B2

#4033B2 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 42.4% C 0.191 H 279.0°. Best body text is #FFFFFF at 9.00:1 contrast (WCAG AA passes).

Color values

HEX	#4033B2
RGB	rgb(64, 51, 178)
HSL	hsl(246, 55%, 45%)
HSV	hsv(246, 71%, 70%)
CMYK	cmyk(64%, 71.3%, 0%, 30.2%)
CIE-LAB	lab(31.05, 43.30, -65.39)
CIE-LCH	lch(31.05, 78.43, 303.51°)
OKLab	oklab(42.42% 0.03 -0.1887)
OKLCH	oklch(42.42% 0.191 279)
XYZ	xyz(11.3315, 6.6711, 42.8014)
Luminance	0.0667 (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

#4033B2 #A5B233

analogous

#3365B2 #4033B2 #8033B2

triadic

#4033B2 #B24033 #33B240

tetradic

#4033B2 #B23365 #A5B233 #33B280

square

#4033B2 #B23365 #A5B233 #33B280

split-complementary

#4033B2 #B28033 #65B233

monochromatic

#1E1853 #2F2582 #4033B2 #6154CE #8D84DC

Accessibility & contrast

On white

9.00

#4033B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#4033B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4033B2

9.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4033B2	#FFFFFF	#000000	##FFFFFF
##4033B2	1.00	9.00	2.33	9.00
#FFFFFF	9.00	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EB6

Deuteranopia (green-blind)

#0044B0

Tritanopia (blue-blind)

#00566F

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #4033b2;
/* rgb */ color: rgb(64, 51, 178);
/* oklch */ color: oklch(42.4% 0.191 279.0);

Tailwind

colors: {
  custom: {
    50: '#836cca',
    500: '#4033b2',
    950: '#000000',
  },
}

SCSS

$custom: #4033b2;
$custom-light: #836cca;
$custom-dark: #000000;

JSON

{
  "hex": "#4033b2",
  "rgb": {
    "r": 64,
    "g": 51,
    "b": 178
  },
  "hsl": {
    "h": 246.142,
    "s": 55.459,
    "l": 44.902
  },
  "oklch": {
    "l": 0.42417,
    "c": 0.19106,
    "h": 279
  },
  "luminance": 0.06672
}

Semantic roles & 50–950 ramp

primary

#4033B2

secondary

#BEC57C

accent

#DF49CF

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4033B2

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

Preview Lab → · Contrast checker → · Palette generator →