#4639B6#4639B6

#4639B6 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 44.2% C 0.188 H 280.1°. Best body text is #FFFFFF at 8.33:1 contrast (WCAG AA passes).

Color values

HEX	#4639B6
RGB	rgb(70, 57, 182)
HSL	hsl(246, 52%, 47%)
HSV	hsv(246, 69%, 71%)
CMYK	cmyk(61.5%, 68.7%, 0%, 28.6%)
CIE-LAB	lab(33.15, 41.96, -64.31)
CIE-LCH	lch(33.15, 76.78, 303.12°)
OKLab	oklab(44.15% 0.0329 -0.1853)
OKLCH	oklch(44.15% 0.188 280.1)
XYZ	xyz(12.4297, 7.6048, 45.0598)
Luminance	0.0761 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.58

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4639B6 #A9B639

analogous

#396BB6 #4639B6 #8539B6

triadic

#4639B6 #B64639 #39B646

tetradic

#4639B6 #B6396B #A9B639 #39B685

square

#4639B6 #B6396B #A9B639 #39B685

split-complementary

#4639B6 #B68539 #6BB639

monochromatic

#221C59 #342A87 #4639B6 #6B5FCD #968EDC

Accessibility & contrast

On white

8.33

#4639B6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#4639B6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4639B6

8.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4639B6	#FFFFFF	#000000	##FFFFFF
##4639B6	1.00	8.33	2.52	8.33
#FFFFFF	8.33	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053BA

Deuteranopia (green-blind)

#0049B4

Tritanopia (blue-blind)

#005A73

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #4639b6;
/* rgb */ color: rgb(70, 57, 182);
/* oklch */ color: oklch(44.2% 0.188 280.1);

Tailwind

colors: {
  custom: {
    50: '#8671cd',
    500: '#4639b6',
    950: '#000000',
  },
}

SCSS

$custom: #4639b6;
$custom-light: #8671cd;
$custom-dark: #000000;

JSON

{
  "hex": "#4639b6",
  "rgb": {
    "r": 70,
    "g": 57,
    "b": 182
  },
  "hsl": {
    "h": 246.24,
    "s": 52.301,
    "l": 46.863
  },
  "oklch": {
    "l": 0.44154,
    "c": 0.18825,
    "h": 280.1
  },
  "luminance": 0.07606
}

Semantic roles & 50–950 ramp

primary

#4639B6

secondary

#BFC685

accent

#DC4CCD

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #4639B6

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

Preview Lab → · Contrast checker → · Palette generator →