#4031AC#4031AC

#4031AC is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.5% C 0.186 H 280.1°. Best body text is #FFFFFF at 9.32:1 contrast (WCAG AA passes).

Color values

HEX	#4031AC
RGB	rgb(64, 49, 172)
HSL	hsl(247, 56%, 43%)
HSV	hsv(247, 72%, 67%)
CMYK	cmyk(62.8%, 71.5%, 0%, 32.5%)
CIE-LAB	lab(30.07, 42.52, -63.41)
CIE-LCH	lch(30.07, 76.35, 303.84°)
OKLab	oklab(41.55% 0.0326 -0.1829)
OKLCH	oklch(41.55% 0.186 280.1)
XYZ	xyz(10.6567, 6.2644, 39.6693)
Luminance	0.0626 (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

#4031AC #9DAC31

analogous

#315FAC #4031AC #7D31AC

triadic

#4031AC #AC4031 #31AC40

tetradic

#4031AC #AC315F #9DAC31 #31AC7D

square

#4031AC #AC315F #9DAC31 #31AC7D

split-complementary

#4031AC #AC7D31 #5FAC31

monochromatic

#1D164D #2E237C #4031AC #5D4ECC #897DDA

Accessibility & contrast

On white

9.32

#4031AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#4031AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4031AC

9.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4031AC	#FFFFFF	#000000	##FFFFFF
##4031AC	1.00	9.32	2.25	9.32
#FFFFFF	9.32	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BB0

Deuteranopia (green-blind)

#0042AA

Tritanopia (blue-blind)

#00536B

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #4031ac;
/* rgb */ color: rgb(64, 49, 172);
/* oklch */ color: oklch(41.5% 0.186 280.1);

Tailwind

colors: {
  custom: {
    50: '#826bc6',
    500: '#4031ac',
    950: '#000000',
  },
}

SCSS

$custom: #4031ac;
$custom-light: #826bc6;
$custom-dark: #000000;

JSON

{
  "hex": "#4031ac",
  "rgb": {
    "r": 64,
    "g": 49,
    "b": 172
  },
  "hsl": {
    "h": 247.317,
    "s": 55.656,
    "l": 43.333
  },
  "oklch": {
    "l": 0.41548,
    "c": 0.18577,
    "h": 280.1
  },
  "luminance": 0.06265
}

Semantic roles & 50–950 ramp

primary

#4031AC

secondary

#B9C376

accent

#DF49CD

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4031AC

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

Preview Lab → · Contrast checker → · Palette generator →