#4031AD#4031AD

#4031AD is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.6% C 0.187 H 280.0°. Best body text is #FFFFFF at 9.29:1 contrast (WCAG AA passes).

Color values

HEX	#4031AD
RGB	rgb(64, 49, 173)
HSL	hsl(247, 56%, 44%)
HSV	hsv(247, 72%, 68%)
CMYK	cmyk(63%, 71.7%, 0%, 32.2%)
CIE-LAB	lab(30.16, 42.84, -63.86)
CIE-LCH	lch(30.16, 76.90, 303.86°)
OKLab	oklab(41.64% 0.0324 -0.1842)
OKLCH	oklch(41.64% 0.187 280)
XYZ	xyz(10.7531, 6.3029, 40.1770)
Luminance	0.0630 (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

#4031AD #9EAD31

analogous

#3160AD #4031AD #7E31AD

triadic

#4031AD #AD4031 #31AD40

tetradic

#4031AD #AD3160 #9EAD31 #31AD7E

square

#4031AD #AD3160 #9EAD31 #31AD7E

split-complementary

#4031AD #AD7E31 #60AD31

monochromatic

#1D164E #2E237D #4031AD #5E4ECD #897EDA

Accessibility & contrast

On white

9.29

#4031AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#4031AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4031AD

9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4031AD	#FFFFFF	#000000	##FFFFFF
##4031AD	1.00	9.29	2.26	9.29
#FFFFFF	9.29	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CB1

Deuteranopia (green-blind)

#0042AB

Tritanopia (blue-blind)

#00536B

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #4031ad;
/* rgb */ color: rgb(64, 49, 173);
/* oklch */ color: oklch(41.6% 0.187 280.0);

Tailwind

colors: {
  custom: {
    50: '#826bc7',
    500: '#4031ad',
    950: '#000000',
  },
}

SCSS

$custom: #4031ad;
$custom-light: #826bc7;
$custom-dark: #000000;

JSON

{
  "hex": "#4031ad",
  "rgb": {
    "r": 64,
    "g": 49,
    "b": 173
  },
  "hsl": {
    "h": 247.258,
    "s": 55.856,
    "l": 43.529
  },
  "oklch": {
    "l": 0.41644,
    "c": 0.18702,
    "h": 280
  },
  "luminance": 0.06304
}

Semantic roles & 50–950 ramp

primary

#4031AD

secondary

#BAC377

accent

#DF49CD

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4031AD

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

Preview Lab → · Contrast checker → · Palette generator →