#3237AD#3237AD

#3237AD is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.6% C 0.184 H 273.3°. Best body text is #FFFFFF at 9.19:1 contrast (WCAG AA passes).

Color values

HEX	#3237AD
RGB	rgb(50, 55, 173)
HSL	hsl(238, 55%, 44%)
HSV	hsv(238, 71%, 68%)
CMYK	cmyk(71.1%, 68.2%, 0%, 32.2%)
CIE-LAB	lab(30.46, 37.50, -63.40)
CIE-LCH	lch(30.46, 73.66, 300.60°)
OKLab	oklab(41.6% 0.0104 -0.1832)
OKLCH	oklch(41.6% 0.184 273.3)
XYZ	xyz(10.2219, 6.4266, 40.2288)
Luminance	0.0643 (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

#3237AD #ADA832

analogous

#3274AD #3237AD #6A32AD

triadic

#3237AD #AD3237 #37AD32

tetradic

#3237AD #AD3274 #ADA832 #32AD6A

square

#3237AD #AD3274 #ADA832 #32AD6A

split-complementary

#3237AD #AD6A32 #74AD32

monochromatic

#17194E #24287E #3237AD #5055CC #7F83DA

Accessibility & contrast

On white

9.19

#3237AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#3237AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3237AD

9.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3237AD	#FFFFFF	#000000	##FFFFFF
##3237AD	1.00	9.19	2.29	9.19
#FFFFFF	9.19	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DB1

Deuteranopia (green-blind)

#0042AB

Tritanopia (blue-blind)

#00576D

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3237ad;
/* rgb */ color: rgb(50, 55, 173);
/* oklch */ color: oklch(41.6% 0.184 273.3);

Tailwind

colors: {
  custom: {
    50: '#7c6ec7',
    500: '#3237ad',
    950: '#000000',
  },
}

SCSS

$custom: #3237ad;
$custom-light: #7c6ec7;
$custom-dark: #000000;

JSON

{
  "hex": "#3237ad",
  "rgb": {
    "r": 50,
    "g": 55,
    "b": 173
  },
  "hsl": {
    "h": 237.561,
    "s": 55.157,
    "l": 43.725
  },
  "oklch": {
    "l": 0.41602,
    "c": 0.18355,
    "h": 273.3
  },
  "luminance": 0.06428
}

Semantic roles & 50–950 ramp

primary

#3237AD

secondary

#C3C078

accent

#D849DE

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3237AD

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

Preview Lab → · Contrast checker → · Palette generator →