#4637A3#4637A3

#4637A3 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 42.1% C 0.166 H 282.9°. Best body text is #FFFFFF at 8.99:1 contrast (WCAG AA passes).

Color values

HEX	#4637A3
RGB	rgb(70, 55, 163)
HSL	hsl(248, 50%, 43%)
HSV	hsv(248, 66%, 64%)
CMYK	cmyk(57.1%, 66.3%, 0%, 36.1%)
CIE-LAB	lab(31.06, 37.06, -56.35)
CIE-LCH	lch(31.06, 67.45, 303.33°)
OKLab	oklab(42.14% 0.0372 -0.162)
OKLCH	oklch(42.14% 0.166 282.9)
XYZ	xyz(10.5008, 6.6782, 35.3789)
Luminance	0.0668 (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

#4637A3 #94A337

analogous

#375EA3 #4637A3 #7C37A3

triadic

#4637A3 #A34637 #37A346

tetradic

#4637A3 #A3375E #94A337 #37A37C

square

#4637A3 #A3375E #94A337 #37A37C

split-complementary

#4637A3 #A37C37 #5EA337

monochromatic

#1F1847 #322875 #4637A3 #6252C5 #8C80D4

Accessibility & contrast

On white

8.99

#4637A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#4637A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4637A3

8.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4637A3	#FFFFFF	#000000	##FFFFFF
##4637A3	1.00	8.99	2.34	8.99
#FFFFFF	8.99	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA6

Deuteranopia (green-blind)

#0045A1

Tritanopia (blue-blind)

#175268

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #4637a3;
/* rgb */ color: rgb(70, 55, 163);
/* oklch */ color: oklch(42.1% 0.166 282.9);

Tailwind

colors: {
  custom: {
    50: '#836fbf',
    500: '#4637a3',
    950: '#000000',
  },
}

SCSS

$custom: #4637a3;
$custom-light: #836fbf;
$custom-dark: #000000;

JSON

{
  "hex": "#4637a3",
  "rgb": {
    "r": 70,
    "g": 55,
    "b": 163
  },
  "hsl": {
    "h": 248.333,
    "s": 49.541,
    "l": 42.745
  },
  "oklch": {
    "l": 0.42143,
    "c": 0.16623,
    "h": 282.9
  },
  "luminance": 0.06679
}

Semantic roles & 50–950 ramp

primary

#4637A3

secondary

#B4BE78

accent

#D94FC6

background

#F8F6FB

surface

#F0ECF7

border

#CBC7D0

text

#0C0712

muted

#7D7A81

Preview Lab

Preview with #4637A3

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

Preview Lab → · Contrast checker → · Palette generator →