#3237A1#3237A1

#3237A1 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.5% C 0.168 H 274.0°. Best body text is #FFFFFF at 9.56:1 contrast (WCAG AA passes).

Color values

HEX	#3237A1
RGB	rgb(50, 55, 161)
HSL	hsl(237, 53%, 41%)
HSV	hsv(237, 69%, 63%)
CMYK	cmyk(68.9%, 65.8%, 0%, 36.9%)
CIE-LAB	lab(29.37, 33.29, -57.97)
CIE-LCH	lch(29.37, 66.85, 299.86°)
OKLab	oklab(40.47% 0.0116 -0.1674)
OKLCH	oklch(40.47% 0.168 274)
XYZ	xyz(9.1125, 5.9829, 34.3859)
Luminance	0.0598 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 7.10

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3237A1 #A19C32

analogous

#326FA1 #3237A1 #6532A1

triadic

#3237A1 #A13237 #37A132

tetradic

#3237A1 #A1326F #A19C32 #32A165

square

#3237A1 #A1326F #A19C32 #32A165

split-complementary

#3237A1 #A16532 #6FA132

monochromatic

#151744 #232772 #3237A1 #4A4FC7 #787CD5

Accessibility & contrast

On white

9.56

#3237A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#3237A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3237A1

9.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3237A1	#FFFFFF	#000000	##FFFFFF
##3237A1	1.00	9.56	2.20	9.56
#FFFFFF	9.56	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA4

Deuteranopia (green-blind)

#00409F

Tritanopia (blue-blind)

#005367

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #3237a1;
/* rgb */ color: rgb(50, 55, 161);
/* oklch */ color: oklch(40.5% 0.168 274.0);

Tailwind

colors: {
  custom: {
    50: '#796ebe',
    500: '#3237a1',
    950: '#000000',
  },
}

SCSS

$custom: #3237a1;
$custom-light: #796ebe;
$custom-dark: #000000;

JSON

{
  "hex": "#3237a1",
  "rgb": {
    "r": 50,
    "g": 55,
    "b": 161
  },
  "hsl": {
    "h": 237.297,
    "s": 52.607,
    "l": 41.373
  },
  "oklch": {
    "l": 0.4047,
    "c": 0.16776,
    "h": 274
  },
  "luminance": 0.05984
}

Semantic roles & 50–950 ramp

primary

#3237A1

secondary

#BEBA71

accent

#D64CDC

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #3237A1

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

Preview Lab → · Contrast checker → · Palette generator →