#4631B5#4631B5

#4631B5 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.9% C 0.196 H 281.5°. Best body text is #FFFFFF at 8.87:1 contrast (WCAG AA passes).

Color values

HEX	#4631B5
RGB	rgb(70, 49, 181)
HSL	hsl(250, 57%, 45%)
HSV	hsv(250, 73%, 71%)
CMYK	cmyk(61.3%, 72.9%, 0%, 29%)
CIE-LAB	lab(31.43, 46.14, -66.54)
CIE-LCH	lch(31.43, 80.97, 304.74°)
OKLab	oklab(42.9% 0.0391 -0.1918)
OKLCH	oklch(42.9% 0.196 281.5)
XYZ	xyz(11.9620, 6.8341, 44.3959)
Luminance	0.0683 (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

#4631B5 #A0B531

analogous

#315EB5 #4631B5 #8831B5

triadic

#4631B5 #B54631 #31B546

tetradic

#4631B5 #B5315E #A0B531 #31B588

square

#4631B5 #B5315E #A0B531 #31B588

split-complementary

#4631B5 #B58831 #5EB531

monochromatic

#211755 #332485 #4631B5 #6753D0 #9183DD

Accessibility & contrast

On white

8.87

#4631B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#4631B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4631B5

8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4631B5	#FFFFFF	#000000	##FFFFFF
##4631B5	1.00	8.87	2.37	8.87
#FFFFFF	8.87	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EB9

Deuteranopia (green-blind)

#0045B3

Tritanopia (blue-blind)

#005670

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #4631b5;
/* rgb */ color: rgb(70, 49, 181);
/* oklch */ color: oklch(42.9% 0.196 281.5);

Tailwind

colors: {
  custom: {
    50: '#876ccc',
    500: '#4631b5',
    950: '#000000',
  },
}

SCSS

$custom: #4631b5;
$custom-light: #876ccc;
$custom-dark: #000000;

JSON

{
  "hex": "#4631b5",
  "rgb": {
    "r": 70,
    "g": 49,
    "b": 181
  },
  "hsl": {
    "h": 249.545,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.42898,
    "c": 0.1958,
    "h": 281.5
  },
  "luminance": 0.06835
}

Semantic roles & 50–950 ramp

primary

#4631B5

secondary

#BBC77B

accent

#E147C8

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0D0714

muted

#7D7A82

Preview Lab

Preview with #4631B5

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

Preview Lab → · Contrast checker → · Palette generator →