#373A67#373A67

#373A67 is a dark, moderate blue. Relative luminance 0.048; OKLCH L 36.8% C 0.077 H 279.0°. Best body text is #FFFFFF at 10.69:1 contrast (WCAG AA passes).

Color values

HEX	#373A67
RGB	rgb(55, 58, 103)
HSL	hsl(236, 30%, 31%)
HSV	hsv(236, 47%, 40%)
CMYK	cmyk(46.6%, 43.7%, 0%, 59.6%)
CIE-LAB	lab(26.21, 11.89, -26.88)
CIE-LCH	lch(26.21, 29.39, 293.86°)
OKLab	oklab(36.84% 0.0121 -0.0759)
OKLCH	oklch(36.84% 0.077 279)
XYZ	xyz(5.5361, 4.8173, 13.4675)
Luminance	0.0482 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#373A67 #676437

analogous

#375267 #373A67 #4C3767

triadic

#373A67 #67373A #3A6737

tetradic

#373A67 #673752 #676437 #37674C

square

#373A67 #673752 #676437 #37674C

split-complementary

#373A67 #674C37 #526737

monochromatic

#0C0D17 #22243F #373A67 #4C508F #696EAF

Accessibility & contrast

On white

10.69

#373A67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#373A67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373A67

10.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373A67	#FFFFFF	#000000	##FFFFFF
##373A67	1.00	10.69	1.96	10.69
#FFFFFF	10.69	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#294069

Deuteranopia (green-blind)

#263C66

Tritanopia (blue-blind)

#27434B

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #373a67;
/* rgb */ color: rgb(55, 58, 103);
/* oklch */ color: oklch(36.8% 0.077 279.0);

Tailwind

colors: {
  custom: {
    50: '#717092',
    500: '#373a67',
    950: '#000000',
  },
}

SCSS

$custom: #373a67;
$custom-light: #717092;
$custom-dark: #000000;

JSON

{
  "hex": "#373a67",
  "rgb": {
    "r": 55,
    "g": 58,
    "b": 103
  },
  "hsl": {
    "h": 236.25,
    "s": 30.38,
    "l": 30.98
  },
  "oklch": {
    "l": 0.36839,
    "c": 0.07682,
    "h": 279
  },
  "luminance": 0.04818
}

Semantic roles & 50–950 ramp

primary

#373A67

secondary

#979462

accent

#C061C7

background

#F6F6F9

surface

#ECECF1

border

#C7C7CB

text

#08070D

muted

#7B7A7E

Preview Lab

Preview with #373A67

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

Preview Lab → · Contrast checker → · Palette generator →