#4638AD#4638AD

#4638AD is a dark, vivid blue. Relative luminance 0.071; OKLCH L 43.2% C 0.178 H 281.3°. Best body text is #FFFFFF at 8.64:1 contrast (WCAG AA passes).

Color values

HEX	#4638AD
RGB	rgb(70, 56, 173)
HSL	hsl(247, 51%, 45%)
HSV	hsv(247, 68%, 68%)
CMYK	cmyk(59.5%, 67.6%, 0%, 32.2%)
CIE-LAB	lab(32.14, 39.66, -60.60)
CIE-LCH	lch(32.14, 72.43, 303.21°)
OKLab	oklab(43.19% 0.035 -0.1745)
OKLCH	oklch(43.19% 0.178 281.3)
XYZ	xyz(11.4804, 7.1468, 40.3016)
Luminance	0.0715 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 3.03

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4638AD #9FAD38

analogous

#3865AD #4638AD #8038AD

triadic

#4638AD #AD4638 #38AD46

tetradic

#4638AD #AD3865 #9FAD38 #38AD80

square

#4638AD #AD3865 #9FAD38 #38AD80

split-complementary

#4638AD #AD8038 #65AD38

monochromatic

#211A51 #33297F #4638AD #6659C9 #9187D8

Accessibility & contrast

On white

8.64

#4638AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#4638AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4638AD

8.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4638AD	#FFFFFF	#000000	##FFFFFF
##4638AD	1.00	8.64	2.43	8.64
#FFFFFF	8.64	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B1

Deuteranopia (green-blind)

#0047AB

Tritanopia (blue-blind)

#00566E

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #4638ad;
/* rgb */ color: rgb(70, 56, 173);
/* oklch */ color: oklch(43.2% 0.178 281.3);

Tailwind

colors: {
  custom: {
    50: '#8570c6',
    500: '#4638ad',
    950: '#000000',
  },
}

SCSS

$custom: #4638ad;
$custom-light: #8570c6;
$custom-dark: #000000;

JSON

{
  "hex": "#4638ad",
  "rgb": {
    "r": 70,
    "g": 56,
    "b": 173
  },
  "hsl": {
    "h": 247.179,
    "s": 51.092,
    "l": 44.902
  },
  "oklch": {
    "l": 0.43185,
    "c": 0.17796,
    "h": 281.3
  },
  "luminance": 0.07148
}

Semantic roles & 50–950 ramp

primary

#4638AD

secondary

#BAC27F

accent

#DB4DCA

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4638AD

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

Preview Lab → · Contrast checker → · Palette generator →