#373178#373178

#373178 is a dark, moderate blue. Relative luminance 0.044; OKLCH L 36.2% C 0.117 H 282.6°. Best body text is #FFFFFF at 11.21:1 contrast (WCAG AA passes).

Color values

HEX	#373178
RGB	rgb(55, 49, 120)
HSL	hsl(245, 42%, 33%)
HSV	hsv(245, 59%, 47%)
CMYK	cmyk(54.2%, 59.2%, 0%, 52.9%)
CIE-LAB	lab(24.84, 23.74, -39.93)
CIE-LCH	lch(24.84, 46.45, 300.73°)
OKLab	oklab(36.18% 0.0256 -0.1142)
OKLCH	oklch(36.18% 0.117 282.6)
XYZ	xyz(6.0630, 4.3646, 18.2886)
Luminance	0.0437 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#373178 #727831

analogous

#314E78 #373178 #5A3178

triadic

#373178 #783731 #317837

tetradic

#373178 #78314E #727831 #31785A

square

#373178 #78314E #727831 #31785A

split-complementary

#373178 #785A31 #4E7831

monochromatic

#0F0E21 #231F4D #373178 #4B43A3 #6C64C0

Accessibility & contrast

On white

11.21

#373178 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#373178 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373178

11.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373178	#FFFFFF	#000000	##FFFFFF
##373178	1.00	11.21	1.87	11.21
#FFFFFF	11.21	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D7A

Deuteranopia (green-blind)

#003977

Tritanopia (blue-blind)

#1D414F

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #373178;
/* rgb */ color: rgb(55, 49, 120);
/* oklch */ color: oklch(36.2% 0.117 282.6);

Tailwind

colors: {
  custom: {
    50: '#74699f',
    500: '#373178',
    950: '#000000',
  },
}

SCSS

$custom: #373178;
$custom-light: #74699f;
$custom-dark: #000000;

JSON

{
  "hex": "#373178",
  "rgb": {
    "r": 55,
    "g": 49,
    "b": 120
  },
  "hsl": {
    "h": 245.07,
    "s": 42.012,
    "l": 33.137
  },
  "oklch": {
    "l": 0.36177,
    "c": 0.11709,
    "h": 282.6
  },
  "luminance": 0.04365
}

Semantic roles & 50–950 ramp

primary

#373178

secondary

#A1A75E

accent

#D256C7

background

#F7F6F9

surface

#EDEBF2

border

#C8C6CC

text

#09060F

muted

#7B7A7E

Preview Lab

Preview with #373178

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

Preview Lab → · Contrast checker → · Palette generator →