#373B95#373B95

#373B95 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.5% C 0.145 H 275.9°. Best body text is #FFFFFF at 9.45:1 contrast (WCAG AA passes).

Color values

HEX	#373B95
RGB	rgb(55, 59, 149)
HSL	hsl(237, 46%, 40%)
HSV	hsv(237, 63%, 58%)
CMYK	cmyk(63.1%, 60.4%, 0%, 41.6%)
CIE-LAB	lab(29.69, 27.22, -50.14)
CIE-LCH	lch(29.69, 57.05, 298.49°)
OKLab	oklab(40.48% 0.0148 -0.1442)
OKLCH	oklch(40.48% 0.145 275.9)
XYZ	xyz(8.5626, 6.1094, 29.1560)
Luminance	0.0611 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#373B95 #959137

analogous

#376A95 #373B95 #623795

triadic

#373B95 #95373B #3B9537

tetradic

#373B95 #95376A #959137 #379562

square

#373B95 #95376A #959137 #379562

split-complementary

#373B95 #956237 #6A9537

monochromatic

#16183C #272968 #373B95 #4C51BD #797DCD

Accessibility & contrast

On white

9.45

#373B95 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#373B95 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373B95

9.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373B95	#FFFFFF	#000000	##FFFFFF
##373B95	1.00	9.45	2.22	9.45
#FFFFFF	9.45	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A98

Deuteranopia (green-blind)

#004293

Tritanopia (blue-blind)

#005162

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #373b95;
/* rgb */ color: rgb(55, 59, 149);
/* oklch */ color: oklch(40.5% 0.145 275.9);

Tailwind

colors: {
  custom: {
    50: '#7871b5',
    500: '#373b95',
    950: '#000000',
  },
}

SCSS

$custom: #373b95;
$custom-light: #7871b5;
$custom-dark: #000000;

JSON

{
  "hex": "#373b95",
  "rgb": {
    "r": 55,
    "g": 59,
    "b": 149
  },
  "hsl": {
    "h": 237.447,
    "s": 46.078,
    "l": 40
  },
  "oklch": {
    "l": 0.40477,
    "c": 0.14495,
    "h": 275.9
  },
  "luminance": 0.0611
}

Semantic roles & 50–950 ramp

primary

#373B95

secondary

#B6B471

accent

#D052D6

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #373B95

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

Preview Lab → · Contrast checker → · Palette generator →