#373379#373379

#373379 is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.6% C 0.116 H 281.6°. Best body text is #FFFFFF at 10.98:1 contrast (WCAG AA passes).

Color values

HEX	#373379
RGB	rgb(55, 51, 121)
HSL	hsl(243, 41%, 34%)
HSV	hsv(243, 58%, 47%)
CMYK	cmyk(54.5%, 57.9%, 0%, 52.5%)
CIE-LAB	lab(25.44, 22.75, -39.60)
CIE-LCH	lch(25.44, 45.66, 299.87°)
OKLab	oklab(36.65% 0.0233 -0.1132)
OKLCH	oklch(36.65% 0.116 281.6)
XYZ	xyz(6.2095, 4.5600, 18.6384)
Luminance	0.0456 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#373379 #757933

analogous

#335279 #373379 #5A3379

triadic

#373379 #793733 #337937

tetradic

#373379 #793352 #757933 #33795A

square

#373379 #793352 #757933 #33795A

split-complementary

#373379 #795A33 #527933

monochromatic

#100F23 #23214E #373379 #4B45A4 #6C67BF

Accessibility & contrast

On white

10.98

#373379 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#373379 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373379

10.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373379	#FFFFFF	#000000	##FFFFFF
##373379	1.00	10.98	1.91	10.98
#FFFFFF	10.98	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#053F7B

Deuteranopia (green-blind)

#003A78

Tritanopia (blue-blind)

#1B4350

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #373379;
/* rgb */ color: rgb(55, 51, 121);
/* oklch */ color: oklch(36.6% 0.116 281.6);

Tailwind

colors: {
  custom: {
    50: '#746aa0',
    500: '#373379',
    950: '#000000',
  },
}

SCSS

$custom: #373379;
$custom-light: #746aa0;
$custom-dark: #000000;

JSON

{
  "hex": "#373379",
  "rgb": {
    "r": 55,
    "g": 51,
    "b": 121
  },
  "hsl": {
    "h": 243.429,
    "s": 40.698,
    "l": 33.725
  },
  "oklch": {
    "l": 0.36647,
    "c": 0.11562,
    "h": 281.6
  },
  "luminance": 0.0456
}

Semantic roles & 50–950 ramp

primary

#373379

secondary

#A3A761

accent

#D157CA

background

#F7F6F9

surface

#EDEBF2

border

#C8C6CC

text

#09060F

muted

#7B7A7E

Preview Lab

Preview with #373379

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

Preview Lab → · Contrast checker → · Palette generator →