#4031BC#4031BC

#4031BC is a dark, highly saturated blue. Relative luminance 0.069; OKLCH L 43.1% C 0.205 H 278.2°. Best body text is #FFFFFF at 8.81:1 contrast (WCAG AA passes).

Color values

HEX	#4031BC
RGB	rgb(64, 49, 188)
HSL	hsl(246, 59%, 46%)
HSV	hsv(246, 74%, 74%)
CMYK	cmyk(66%, 73.9%, 0%, 26.3%)
CIE-LAB	lab(31.62, 47.57, -70.39)
CIE-LCH	lch(31.62, 84.96, 304.05°)
OKLab	oklab(43.11% 0.0294 -0.2033)
OKLCH	oklch(43.11% 0.205 278.2)
XYZ	xyz(12.2868, 6.9164, 48.2547)
Luminance	0.0692 (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

#4031BC #ADBC31

analogous

#3168BC #4031BC #8631BC

triadic

#4031BC #BC4031 #31BC40

tetradic

#4031BC #BC3168 #ADBC31 #31BC86

square

#4031BC #BC3168 #ADBC31 #31BC86

split-complementary

#4031BC #BC8631 #68BC31

monochromatic

#1F185B #2F248B #4031BC #6457D3 #9188E0

Accessibility & contrast

On white

8.81

#4031BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#4031BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4031BC

8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4031BC	#FFFFFF	#000000	##FFFFFF
##4031BC	1.00	8.81	2.38	8.81
#FFFFFF	8.81	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050C0

Deuteranopia (green-blind)

#0045B9

Tritanopia (blue-blind)

#005974

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #4031bc;
/* rgb */ color: rgb(64, 49, 188);
/* oklch */ color: oklch(43.1% 0.205 278.2);

Tailwind

colors: {
  custom: {
    50: '#856cd1',
    500: '#4031bc',
    950: '#000000',
  },
}

SCSS

$custom: #4031bc;
$custom-light: #856cd1;
$custom-dark: #000000;

JSON

{
  "hex": "#4031bc",
  "rgb": {
    "r": 64,
    "g": 49,
    "b": 188
  },
  "hsl": {
    "h": 246.475,
    "s": 58.65,
    "l": 46.471
  },
  "oklch": {
    "l": 0.43114,
    "c": 0.20538,
    "h": 278.2
  },
  "luminance": 0.06917
}

Semantic roles & 50–950 ramp

primary

#4031BC

secondary

#C2CA7F

accent

#E246D1

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #4031BC

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

Preview Lab → · Contrast checker → · Palette generator →