#37405A#37405A

#37405A is a dark, muted blue. Relative luminance 0.052; OKLCH L 37.5% C 0.046 H 269.4°. Best body text is #FFFFFF at 10.28:1 contrast (WCAG AA passes).

Color values

HEX	#37405A
RGB	rgb(55, 64, 90)
HSL	hsl(225, 24%, 28%)
HSV	hsv(225, 39%, 35%)
CMYK	cmyk(38.9%, 28.9%, 0%, 64.7%)
CIE-LAB	lab(27.34, 3.64, -16.69)
CIE-LCH	lch(27.34, 17.09, 282.29°)
OKLab	oklab(37.49% -0.0005 -0.0464)
OKLCH	oklch(37.49% 0.046 269.4)
XYZ	xyz(5.2539, 5.2170, 10.4010)
Luminance	0.0522 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37405A #5A5137

analogous

#37515A #37405A #3F375A

triadic

#37405A #5A3740 #405A37

tetradic

#37405A #5A3751 #5A5137 #375A3F

square

#37405A #5A3751 #5A5137 #375A3F

split-complementary

#37405A #5A3F37 #515A37

monochromatic

#0C0E13 #202534 #37405A #4E5B80 #6877A3

Accessibility & contrast

On white

10.28

#37405A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#37405A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37405A

10.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37405A	#FFFFFF	#000000	##FFFFFF
##37405A	1.00	10.28	2.04	10.28
#FFFFFF	10.28	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#37425B

Deuteranopia (green-blind)

#343F59

Tritanopia (blue-blind)

#2D4549

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #37405a;
/* rgb */ color: rgb(55, 64, 90);
/* oklch */ color: oklch(37.5% 0.046 269.4);

Tailwind

colors: {
  custom: {
    50: '#6f7488',
    500: '#37405a',
    950: '#000000',
  },
}

SCSS

$custom: #37405a;
$custom-light: #6f7488;
$custom-dark: #000000;

JSON

{
  "hex": "#37405a",
  "rgb": {
    "r": 55,
    "g": 64,
    "b": 90
  },
  "hsl": {
    "h": 224.571,
    "s": 24.138,
    "l": 28.431
  },
  "oklch": {
    "l": 0.3749,
    "c": 0.04638,
    "h": 269.4
  },
  "luminance": 0.05217
}

Semantic roles & 50–950 ramp

primary

#37405A

secondary

#8A8062

accent

#AA67C1

background

#F6F7F8

surface

#ECEDF0

border

#C7C8CB

text

#07080B

muted

#7A7B7C

Preview Lab

Preview with #37405A

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

Preview Lab → · Contrast checker → · Palette generator →