#4631B3#4631B3

#4631B3 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.7% C 0.193 H 281.8°. Best body text is #FFFFFF at 8.93:1 contrast (WCAG AA passes).

Color values

HEX	#4631B3
RGB	rgb(70, 49, 179)
HSL	hsl(250, 57%, 45%)
HSV	hsv(250, 73%, 70%)
CMYK	cmyk(60.9%, 72.6%, 0%, 29.8%)
CIE-LAB	lab(31.24, 45.53, -65.66)
CIE-LCH	lch(31.24, 79.90, 304.74°)
OKLab	oklab(42.71% 0.0396 -0.1893)
OKLCH	oklch(42.71% 0.193 281.8)
XYZ	xyz(11.7582, 6.7526, 43.3228)
Luminance	0.0675 (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

#4631B3 #9EB331

analogous

#315DB3 #4631B3 #8731B3

triadic

#4631B3 #B34631 #31B346

tetradic

#4631B3 #B3315D #9EB331 #31B387

square

#4631B3 #B3315D #9EB331 #31B387

split-complementary

#4631B3 #B38731 #5DB331

monochromatic

#201753 #332483 #4631B3 #6652D0 #9082DD

Accessibility & contrast

On white

8.93

#4631B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#4631B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4631B3

8.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4631B3	#FFFFFF	#000000	##FFFFFF
##4631B3	1.00	8.93	2.35	8.93
#FFFFFF	8.93	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EB7

Deuteranopia (green-blind)

#0045B1

Tritanopia (blue-blind)

#00556F

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #4631b3;
/* rgb */ color: rgb(70, 49, 179);
/* oklch */ color: oklch(42.7% 0.193 281.8);

Tailwind

colors: {
  custom: {
    50: '#866ccb',
    500: '#4631b3',
    950: '#000000',
  },
}

SCSS

$custom: #4631b3;
$custom-light: #866ccb;
$custom-dark: #000000;

JSON

{
  "hex": "#4631b3",
  "rgb": {
    "r": 70,
    "g": 49,
    "b": 179
  },
  "hsl": {
    "h": 249.692,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.42706,
    "c": 0.19337,
    "h": 281.8
  },
  "luminance": 0.06753
}

Semantic roles & 50–950 ramp

primary

#4631B3

secondary

#BAC67A

accent

#E048C8

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4631B3

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

Preview Lab → · Contrast checker → · Palette generator →