#373A4E#373A4E

#373A4E is a dark, muted blue. Relative luminance 0.044; OKLCH L 35.4% C 0.035 H 277.8°. Best body text is #FFFFFF at 11.18:1 contrast (WCAG AA passes).

Color values

HEX	#373A4E
RGB	rgb(55, 58, 78)
HSL	hsl(232, 17%, 26%)
HSV	hsv(232, 29%, 31%)
CMYK	cmyk(29.5%, 25.6%, 0%, 69.4%)
CIE-LAB	lab(24.92, 4.03, -12.58)
CIE-LCH	lch(24.92, 13.21, 287.76°)
OKLab	oklab(35.42% 0.0048 -0.0346)
OKLCH	oklch(35.42% 0.035 277.8)
XYZ	xyz(4.4634, 4.3883, 7.8181)
Luminance	0.0439 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#373A4E #4E4B37

analogous

#37454E #373A4E #3F374E

triadic

#373A4E #4E373A #3A4E37

tetradic

#373A4E #4E3745 #4E4B37 #374E3F

square

#373A4E #4E3745 #4E4B37 #374E3F

split-complementary

#373A4E #4E3F37 #454E37

monochromatic

#0D0D12 #1E1F2A #373A4E #505572 #6A6F96

Accessibility & contrast

On white

11.18

#373A4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#373A4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373A4E

11.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373A4E	#FFFFFF	#000000	##FFFFFF
##373A4E	1.00	11.18	1.88	11.18
#FFFFFF	11.18	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#343C4F

Deuteranopia (green-blind)

#333A4D

Tritanopia (blue-blind)

#313E41

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #373a4e;
/* rgb */ color: rgb(55, 58, 78);
/* oklch */ color: oklch(35.4% 0.035 277.8);

Tailwind

colors: {
  custom: {
    50: '#6e707f',
    500: '#373a4e',
    950: '#000000',
  },
}

SCSS

$custom: #373a4e;
$custom-light: #6e707f;
$custom-dark: #000000;

JSON

{
  "hex": "#373a4e",
  "rgb": {
    "r": 55,
    "g": 58,
    "b": 78
  },
  "hsl": {
    "h": 232.174,
    "s": 17.293,
    "l": 26.078
  },
  "oklch": {
    "l": 0.35419,
    "c": 0.03498,
    "h": 277.8
  },
  "luminance": 0.04388
}

Semantic roles & 50–950 ramp

primary

#373A4E

secondary

#7E7A63

accent

#B06EBA

background

#F6F6F7

surface

#ECECEE

border

#C7C7C9

text

#07070A

muted

#7A7A7C

Preview Lab

Preview with #373A4E

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

Preview Lab → · Contrast checker → · Palette generator →