#4638B8#4638B8

#4638B8 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 44.2% C 0.192 H 280.0°. Best body text is #FFFFFF at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#4638B8
RGB	rgb(70, 56, 184)
HSL	hsl(247, 53%, 47%)
HSV	hsv(247, 70%, 72%)
CMYK	cmyk(62%, 69.6%, 0%, 27.8%)
CIE-LAB	lab(33.11, 43.17, -65.54)
CIE-LCH	lch(33.11, 78.48, 303.37°)
OKLab	oklab(44.19% 0.0334 -0.189)
OKLCH	oklch(44.19% 0.192 280)
XYZ	xyz(12.5889, 7.5902, 46.1398)
Luminance	0.0759 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.82

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4638B8 #AAB838

analogous

#386AB8 #4638B8 #8638B8

triadic

#4638B8 #B84638 #38B846

tetradic

#4638B8 #B8386A #AAB838 #38B886

square

#4638B8 #B8386A #AAB838 #38B886

split-complementary

#4638B8 #B88638 #6AB838

monochromatic

#221B5A #342A89 #4638B8 #6B5FCE #968EDD

Accessibility & contrast

On white

8.34

#4638B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#4638B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4638B8

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4638B8	#FFFFFF	#000000	##FFFFFF
##4638B8	1.00	8.34	2.52	8.34
#FFFFFF	8.34	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053BC

Deuteranopia (green-blind)

#0049B6

Tritanopia (blue-blind)

#005A74

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #4638b8;
/* rgb */ color: rgb(70, 56, 184);
/* oklch */ color: oklch(44.2% 0.192 280.0);

Tailwind

colors: {
  custom: {
    50: '#8770ce',
    500: '#4638b8',
    950: '#000000',
  },
}

SCSS

$custom: #4638b8;
$custom-light: #8770ce;
$custom-dark: #000000;

JSON

{
  "hex": "#4638b8",
  "rgb": {
    "r": 70,
    "g": 56,
    "b": 184
  },
  "hsl": {
    "h": 246.563,
    "s": 53.333,
    "l": 47.059
  },
  "oklch": {
    "l": 0.44187,
    "c": 0.19189,
    "h": 280
  },
  "luminance": 0.07591
}

Semantic roles & 50–950 ramp

primary

#4638B8

secondary

#C0C785

accent

#DD4BCD

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #4638B8

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

Preview Lab → · Contrast checker → · Palette generator →