#3237A4#3237A4

#3237A4 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.7% C 0.172 H 273.8°. Best body text is #FFFFFF at 9.47:1 contrast (WCAG AA passes).

Color values

HEX	#3237A4
RGB	rgb(50, 55, 164)
HSL	hsl(237, 53%, 42%)
HSV	hsv(237, 70%, 64%)
CMYK	cmyk(69.5%, 66.5%, 0%, 35.7%)
CIE-LAB	lab(29.64, 34.35, -59.35)
CIE-LCH	lch(29.64, 68.57, 300.06°)
OKLab	oklab(40.75% 0.0114 -0.1714)
OKLCH	oklch(40.75% 0.172 273.8)
XYZ	xyz(9.3802, 6.0899, 35.7959)
Luminance	0.0609 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.74

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3237A4 #A49F32

analogous

#3270A4 #3237A4 #6632A4

triadic

#3237A4 #A43237 #37A432

tetradic

#3237A4 #A43270 #A49F32 #32A466

square

#3237A4 #A43270 #A49F32 #32A466

split-complementary

#3237A4 #A46632 #70A432

monochromatic

#151846 #242775 #3237A4 #4B51C8 #7A7ED6

Accessibility & contrast

On white

9.47

#3237A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#3237A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3237A4

9.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3237A4	#FFFFFF	#000000	##FFFFFF
##3237A4	1.00	9.47	2.22	9.47
#FFFFFF	9.47	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA7

Deuteranopia (green-blind)

#0041A2

Tritanopia (blue-blind)

#005468

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3237a4;
/* rgb */ color: rgb(50, 55, 164);
/* oklch */ color: oklch(40.7% 0.172 273.8);

Tailwind

colors: {
  custom: {
    50: '#7a6ec0',
    500: '#3237a4',
    950: '#000000',
  },
}

SCSS

$custom: #3237a4;
$custom-light: #7a6ec0;
$custom-dark: #000000;

JSON

{
  "hex": "#3237a4",
  "rgb": {
    "r": 50,
    "g": 55,
    "b": 164
  },
  "hsl": {
    "h": 237.368,
    "s": 53.271,
    "l": 41.961
  },
  "oklch": {
    "l": 0.40749,
    "c": 0.17176,
    "h": 273.8
  },
  "luminance": 0.06091
}

Semantic roles & 50–950 ramp

primary

#3237A4

secondary

#BFBC73

accent

#D64BDD

background

#F8F6FB

surface

#EFECF7

border

#CAC7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #3237A4

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

Preview Lab → · Contrast checker → · Palette generator →