#3237B9#3237B9

#3237B9 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.8% C 0.199 H 272.6°. Best body text is #FFFFFF at 8.81:1 contrast (WCAG AA passes).

Color values

HEX	#3237B9
RGB	rgb(50, 55, 185)
HSL	hsl(238, 57%, 46%)
HSV	hsv(238, 73%, 73%)
CMYK	cmyk(73%, 70.3%, 0%, 27.5%)
CIE-LAB	lab(31.61, 41.64, -68.66)
CIE-LCH	lch(31.61, 80.30, 301.23°)
OKLab	oklab(42.77% 0.009 -0.1986)
OKLCH	oklch(42.77% 0.199 272.6)
XYZ	xyz(11.4356, 6.9121, 46.6210)
Luminance	0.0691 (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

#3237B9 #B9B432

analogous

#327AB9 #3237B9 #7032B9

triadic

#3237B9 #B93237 #37B932

tetradic

#3237B9 #B9327A #B9B432 #32B970

square

#3237B9 #B9327A #B9B432 #32B970

split-complementary

#3237B9 #B97032 #7AB932

monochromatic

#181A59 #252989 #3237B9 #575BD2 #878ADF

Accessibility & contrast

On white

8.81

#3237B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#3237B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3237B9

8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3237B9	#FFFFFF	#000000	##FFFFFF
##3237B9	1.00	8.81	2.38	8.81
#FFFFFF	8.81	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051BD

Deuteranopia (green-blind)

#0044B7

Tritanopia (blue-blind)

#005B74

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3237b9;
/* rgb */ color: rgb(50, 55, 185);
/* oklch */ color: oklch(42.8% 0.199 272.6);

Tailwind

colors: {
  custom: {
    50: '#7e6fcf',
    500: '#3237b9',
    950: '#000000',
  },
}

SCSS

$custom: #3237b9;
$custom-light: #7e6fcf;
$custom-dark: #000000;

JSON

{
  "hex": "#3237b9",
  "rgb": {
    "r": 50,
    "g": 55,
    "b": 185
  },
  "hsl": {
    "h": 237.778,
    "s": 57.447,
    "l": 46.078
  },
  "oklch": {
    "l": 0.42772,
    "c": 0.19882,
    "h": 272.6
  },
  "luminance": 0.06913
}

Semantic roles & 50–950 ramp

primary

#3237B9

secondary

#C8C67F

accent

#DB47E1

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3237B9

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

Preview Lab → · Contrast checker → · Palette generator →