#373CBE#373CBE

#373CBE is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.3% C 0.198 H 273.2°. Best body text is #FFFFFF at 8.23:1 contrast (WCAG AA passes).

Color values

HEX	#373CBE
RGB	rgb(55, 60, 190)
HSL	hsl(238, 55%, 48%)
HSV	hsv(238, 71%, 75%)
CMYK	cmyk(71.1%, 68.4%, 0%, 25.5%)
CIE-LAB	lab(33.48, 40.88, -68.52)
CIE-LCH	lch(33.48, 79.79, 300.82°)
OKLab	oklab(44.35% 0.0111 -0.1981)
OKLCH	oklch(44.35% 0.198 273.2)
XYZ	xyz(12.4826, 7.7604, 49.5453)
Luminance	0.0776 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#373CBE #BEB937

analogous

#377FBE #373CBE #7537BE

triadic

#373CBE #BE373C #3CBE37

tetradic

#373CBE #BE377F #BEB937 #37BE75

square

#373CBE #BE377F #BEB937 #37BE75

split-complementary

#373CBE #BE7537 #7FBE37

monochromatic

#1C1E5F #292D8F #373CBE #6165D1 #9093DF

Accessibility & contrast

On white

8.23

#373CBE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#373CBE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373CBE

8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373CBE	#FFFFFF	#000000	##FFFFFF
##373CBE	1.00	8.23	2.55	8.23
#FFFFFF	8.23	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C2

Deuteranopia (green-blind)

#0048BC

Tritanopia (blue-blind)

#005F78

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #373cbe;
/* rgb */ color: rgb(55, 60, 190);
/* oklch */ color: oklch(44.3% 0.198 273.2);

Tailwind

colors: {
  custom: {
    50: '#8172d3',
    500: '#373cbe',
    950: '#000000',
  },
}

SCSS

$custom: #373cbe;
$custom-light: #8172d3;
$custom-dark: #000000;

JSON

{
  "hex": "#373cbe",
  "rgb": {
    "r": 55,
    "g": 60,
    "b": 190
  },
  "hsl": {
    "h": 237.778,
    "s": 55.102,
    "l": 48.039
  },
  "oklch": {
    "l": 0.44345,
    "c": 0.1984,
    "h": 273.2
  },
  "luminance": 0.07762
}

Semantic roles & 50–950 ramp

primary

#373CBE

secondary

#CAC787

accent

#D949DE

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #373CBE

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

Preview Lab → · Contrast checker → · Palette generator →