#4033BA#4033BA

#4033BA is a dark, highly saturated blue. Relative luminance 0.070; OKLCH L 43.2% C 0.201 H 278.2°. Best body text is #FFFFFF at 8.75:1 contrast (WCAG AA passes).

Color values

HEX	#4033BA
RGB	rgb(64, 51, 186)
HSL	hsl(246, 57%, 46%)
HSV	hsv(246, 73%, 73%)
CMYK	cmyk(65.6%, 72.6%, 0%, 27.1%)
CIE-LAB	lab(31.81, 45.85, -68.88)
CIE-LCH	lch(31.81, 82.75, 303.65°)
OKLab	oklab(43.19% 0.0285 -0.1989)
OKLCH	oklch(43.19% 0.201 278.2)
XYZ	xyz(12.1582, 7.0018, 47.1556)
Luminance	0.0700 (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

#4033BA #ADBA33

analogous

#336ABA #4033BA #8433BA

triadic

#4033BA #BA4033 #33BA40

tetradic

#4033BA #BA336A #ADBA33 #33BA84

square

#4033BA #BA336A #ADBA33 #33BA84

split-complementary

#4033BA #BA8433 #6ABA33

monochromatic

#1F195A #2F268A #4033BA #6459D1 #9189DF

Accessibility & contrast

On white

8.75

#4033BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#4033BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4033BA

8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4033BA	#FFFFFF	#000000	##FFFFFF
##4033BA	1.00	8.75	2.40	8.75
#FFFFFF	8.75	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050BE

Deuteranopia (green-blind)

#0045B8

Tritanopia (blue-blind)

#005973

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #4033ba;
/* rgb */ color: rgb(64, 51, 186);
/* oklch */ color: oklch(43.2% 0.201 278.2);

Tailwind

colors: {
  custom: {
    50: '#856dd0',
    500: '#4033ba',
    950: '#000000',
  },
}

SCSS

$custom: #4033ba;
$custom-light: #856dd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4033ba",
  "rgb": {
    "r": 64,
    "g": 51,
    "b": 186
  },
  "hsl": {
    "h": 245.778,
    "s": 56.962,
    "l": 46.471
  },
  "oklch": {
    "l": 0.43194,
    "c": 0.20092,
    "h": 278.2
  },
  "luminance": 0.07003
}

Semantic roles & 50–950 ramp

primary

#4033BA

secondary

#C2C980

accent

#E048D2

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #4033BA

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

Preview Lab → · Contrast checker → · Palette generator →