#37389A#37389A

#37389A is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.4% C 0.156 H 276.4°. Best body text is #FFFFFF at 9.57:1 contrast (WCAG AA passes).

Color values

HEX	#37389A
RGB	rgb(55, 56, 154)
HSL	hsl(239, 47%, 41%)
HSV	hsv(239, 64%, 60%)
CMYK	cmyk(64.3%, 63.6%, 0%, 39.6%)
CIE-LAB	lab(29.34, 30.92, -53.75)
CIE-LCH	lch(29.34, 62.01, 299.91°)
OKLab	oklab(40.35% 0.0174 -0.1548)
OKLCH	oklch(40.35% 0.156 276.4)
XYZ	xyz(8.8206, 5.9729, 31.2537)
Luminance	0.0597 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 7.59

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37389A #9A9937

analogous

#37699A #37389A #67379A

triadic

#37389A #9A3738 #389A37

tetradic

#37389A #9A3769 #9A9937 #379A67

square

#37389A #9A3769 #9A9937 #379A67

split-complementary

#37389A #9A6737 #699A37

monochromatic

#171740 #27286D #37389A #4E4FC0 #7B7CD0

Accessibility & contrast

On white

9.57

#37389A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#37389A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37389A

9.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37389A	#FFFFFF	#000000	##FFFFFF
##37389A	1.00	9.57	2.19	9.57
#FFFFFF	9.57	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499D

Deuteranopia (green-blind)

#004198

Tritanopia (blue-blind)

#005163

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #37389a;
/* rgb */ color: rgb(55, 56, 154);
/* oklch */ color: oklch(40.4% 0.156 276.4);

Tailwind

colors: {
  custom: {
    50: '#7a6fb9',
    500: '#37389a',
    950: '#000000',
  },
}

SCSS

$custom: #37389a;
$custom-light: #7a6fb9;
$custom-dark: #000000;

JSON

{
  "hex": "#37389a",
  "rgb": {
    "r": 55,
    "g": 56,
    "b": 154
  },
  "hsl": {
    "h": 239.394,
    "s": 47.368,
    "l": 40.98
  },
  "oklch": {
    "l": 0.40353,
    "c": 0.1558,
    "h": 276.4
  },
  "luminance": 0.05974
}

Semantic roles & 50–950 ramp

primary

#37389A

secondary

#B9B874

accent

#D651D7

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #37389A

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

Preview Lab → · Contrast checker → · Palette generator →