#3237A3#3237A3

#3237A3 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.7% C 0.170 H 273.9°. Best body text is #FFFFFF at 9.50:1 contrast (WCAG AA passes).

Color values

HEX	#3237A3
RGB	rgb(50, 55, 163)
HSL	hsl(237, 53%, 42%)
HSV	hsv(237, 69%, 64%)
CMYK	cmyk(69.3%, 66.3%, 0%, 36.1%)
CIE-LAB	lab(29.55, 33.99, -58.89)
CIE-LCH	lch(29.55, 68.00, 299.99°)
OKLab	oklab(40.66% 0.0115 -0.17)
OKLCH	oklch(40.66% 0.17 273.9)
XYZ	xyz(9.2902, 6.0540, 35.3222)
Luminance	0.0605 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.86

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3237A3 #A39E32

analogous

#3270A3 #3237A3 #6632A3

triadic

#3237A3 #A33237 #37A332

tetradic

#3237A3 #A33270 #A39E32 #32A366

square

#3237A3 #A33270 #A39E32 #32A366

split-complementary

#3237A3 #A36632 #70A332

monochromatic

#151745 #242774 #3237A3 #4B50C8 #797DD6

Accessibility & contrast

On white

9.50

#3237A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#3237A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3237A3

9.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3237A3	#FFFFFF	#000000	##FFFFFF
##3237A3	1.00	9.50	2.21	9.50
#FFFFFF	9.50	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA6

Deuteranopia (green-blind)

#0040A1

Tritanopia (blue-blind)

#005368

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3237a3;
/* rgb */ color: rgb(50, 55, 163);
/* oklch */ color: oklch(40.7% 0.170 273.9);

Tailwind

colors: {
  custom: {
    50: '#796ebf',
    500: '#3237a3',
    950: '#000000',
  },
}

SCSS

$custom: #3237a3;
$custom-light: #796ebf;
$custom-dark: #000000;

JSON

{
  "hex": "#3237a3",
  "rgb": {
    "r": 50,
    "g": 55,
    "b": 163
  },
  "hsl": {
    "h": 237.345,
    "s": 53.052,
    "l": 41.765
  },
  "oklch": {
    "l": 0.40656,
    "c": 0.17044,
    "h": 273.9
  },
  "luminance": 0.06055
}

Semantic roles & 50–950 ramp

primary

#3237A3

secondary

#BFBB72

accent

#D64BDC

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #3237A3

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

Preview Lab → · Contrast checker → · Palette generator →