#373C4E#373C4E

#373C4E is a dark, muted blue. Relative luminance 0.046; OKLCH L 35.9% C 0.032 H 272.6°. Best body text is #FFFFFF at 10.94:1 contrast (WCAG AA passes).

Color values

HEX	#373C4E
RGB	rgb(55, 60, 78)
HSL	hsl(227, 17%, 26%)
HSV	hsv(227, 29%, 31%)
CMYK	cmyk(29.5%, 23.1%, 0%, 69.4%)
CIE-LAB	lab(25.55, 2.69, -11.62)
CIE-LCH	lch(25.55, 11.93, 283.04°)
OKLab	oklab(35.91% 0.0015 -0.0319)
OKLCH	oklch(35.91% 0.032 272.6)
XYZ	xyz(4.5662, 4.5939, 7.8524)
Luminance	0.0459 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#373C4E #4E4937

analogous

#37474E #373C4E #3D374E

triadic

#373C4E #4E373C #3C4E37

tetradic

#373C4E #4E3747 #4E4937 #374E3D

square

#373C4E #4E3747 #4E4937 #374E3D

split-complementary

#373C4E #4E3D37 #474E37

monochromatic

#0D0E12 #1E202A #373C4E #505872 #6A7396

Accessibility & contrast

On white

10.94

#373C4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#373C4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373C4E

10.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373C4E	#FFFFFF	#000000	##FFFFFF
##373C4E	1.00	10.94	1.92	10.94
#FFFFFF	10.94	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373E4F

Deuteranopia (green-blind)

#353C4E

Tritanopia (blue-blind)

#313F42

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #373c4e;
/* rgb */ color: rgb(55, 60, 78);
/* oklch */ color: oklch(35.9% 0.032 272.6);

Tailwind

colors: {
  custom: {
    50: '#6e717f',
    500: '#373c4e',
    950: '#000000',
  },
}

SCSS

$custom: #373c4e;
$custom-light: #6e717f;
$custom-dark: #000000;

JSON

{
  "hex": "#373c4e",
  "rgb": {
    "r": 55,
    "g": 60,
    "b": 78
  },
  "hsl": {
    "h": 226.957,
    "s": 17.293,
    "l": 26.078
  },
  "oklch": {
    "l": 0.35909,
    "c": 0.03197,
    "h": 272.6
  },
  "luminance": 0.04594
}

Semantic roles & 50–950 ramp

primary

#373C4E

secondary

#7E7863

accent

#A96EBA

background

#F6F6F7

surface

#ECECEE

border

#C7C7C9

text

#07070A

muted

#7A7A7C

Preview Lab

Preview with #373C4E

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

Preview Lab → · Contrast checker → · Palette generator →