#3237A5#3237A5

#3237A5 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.8% C 0.173 H 273.7°. Best body text is #FFFFFF at 9.44:1 contrast (WCAG AA passes).

Color values

HEX	#3237A5
RGB	rgb(50, 55, 165)
HSL	hsl(237, 53%, 42%)
HSV	hsv(237, 70%, 65%)
CMYK	cmyk(69.7%, 66.7%, 0%, 35.3%)
CIE-LAB	lab(29.73, 34.70, -59.80)
CIE-LCH	lch(29.73, 69.14, 300.12°)
OKLab	oklab(40.84% 0.0113 -0.1727)
OKLCH	oklch(40.84% 0.173 273.7)
XYZ	xyz(9.4708, 6.1262, 36.2734)
Luminance	0.0613 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.63

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3237A5 #A5A032

analogous

#3271A5 #3237A5 #6632A5

triadic

#3237A5 #A53237 #37A532

tetradic

#3237A5 #A53271 #A5A032 #32A566

square

#3237A5 #A53271 #A5A032 #32A566

split-complementary

#3237A5 #A56632 #71A532

monochromatic

#161847 #242776 #3237A5 #4C51C9 #7B7FD7

Accessibility & contrast

On white

9.44

#3237A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#3237A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3237A5

9.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3237A5	#FFFFFF	#000000	##FFFFFF
##3237A5	1.00	9.44	2.23	9.44
#FFFFFF	9.44	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA8

Deuteranopia (green-blind)

#0041A3

Tritanopia (blue-blind)

#005469

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3237a5;
/* rgb */ color: rgb(50, 55, 165);
/* oklch */ color: oklch(40.8% 0.173 273.7);

Tailwind

colors: {
  custom: {
    50: '#7a6ec1',
    500: '#3237a5',
    950: '#000000',
  },
}

SCSS

$custom: #3237a5;
$custom-light: #7a6ec1;
$custom-dark: #000000;

JSON

{
  "hex": "#3237a5",
  "rgb": {
    "r": 50,
    "g": 55,
    "b": 165
  },
  "hsl": {
    "h": 237.391,
    "s": 53.488,
    "l": 42.157
  },
  "oklch": {
    "l": 0.40843,
    "c": 0.17309,
    "h": 273.7
  },
  "luminance": 0.06127
}

Semantic roles & 50–950 ramp

primary

#3237A5

secondary

#BFBC73

accent

#D74BDD

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #3237A5

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

Preview Lab → · Contrast checker → · Palette generator →