#3237BA#3237BA

#3237BA is a dark, highly saturated blue. Relative luminance 0.070; OKLCH L 42.9% C 0.200 H 272.5°. Best body text is #FFFFFF at 8.78:1 contrast (WCAG AA passes).

Color values

HEX	#3237BA
RGB	rgb(50, 55, 186)
HSL	hsl(238, 58%, 46%)
HSV	hsv(238, 73%, 73%)
CMYK	cmyk(73.1%, 70.4%, 0%, 27.1%)
CIE-LAB	lab(31.70, 41.98, -69.10)
CIE-LCH	lch(31.70, 80.85, 301.28°)
OKLab	oklab(42.87% 0.0088 -0.1999)
OKLCH	oklch(42.87% 0.2 272.5)
XYZ	xyz(11.5415, 6.9545, 47.1789)
Luminance	0.0696 (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

#3237BA #BAB532

analogous

#327BBA #3237BA #7132BA

triadic

#3237BA #BA3237 #37BA32

tetradic

#3237BA #BA327B #BAB532 #32BA71

square

#3237BA #BA327B #BAB532 #32BA71

split-complementary

#3237BA #BA7132 #7BBA32

monochromatic

#181A5A #25298A #3237BA #575CD2 #888BDF

Accessibility & contrast

On white

8.78

#3237BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#3237BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3237BA

8.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3237BA	#FFFFFF	#000000	##FFFFFF
##3237BA	1.00	8.78	2.39	8.78
#FFFFFF	8.78	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051BE

Deuteranopia (green-blind)

#0044B8

Tritanopia (blue-blind)

#005B74

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3237ba;
/* rgb */ color: rgb(50, 55, 186);
/* oklch */ color: oklch(42.9% 0.200 272.5);

Tailwind

colors: {
  custom: {
    50: '#7f6fd0',
    500: '#3237ba',
    950: '#000000',
  },
}

SCSS

$custom: #3237ba;
$custom-light: #7f6fd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3237ba",
  "rgb": {
    "r": 50,
    "g": 55,
    "b": 186
  },
  "hsl": {
    "h": 237.794,
    "s": 57.627,
    "l": 46.275
  },
  "oklch": {
    "l": 0.42871,
    "c": 0.20008,
    "h": 272.5
  },
  "luminance": 0.06956
}

Semantic roles & 50–950 ramp

primary

#3237BA

secondary

#C9C67F

accent

#DB47E1

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3237BA

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

Preview Lab → · Contrast checker → · Palette generator →