#372F91#372F91

#372F91 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.0% C 0.155 H 279.7°. Best body text is #FFFFFF at 10.62:1 contrast (WCAG AA passes).

Color values

HEX	#372F91
RGB	rgb(55, 47, 145)
HSL	hsl(245, 51%, 38%)
HSV	hsv(245, 68%, 57%)
CMYK	cmyk(62.1%, 67.6%, 0%, 43.1%)
CIE-LAB	lab(26.42, 33.53, -53.01)
CIE-LCH	lch(26.42, 62.73, 302.31°)
OKLab	oklab(37.98% 0.0261 -0.1527)
OKLCH	oklch(37.98% 0.155 279.7)
XYZ	xyz(7.7013, 4.8890, 27.3204)
Luminance	0.0489 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372F91 #89912F

analogous

#2F5891 #372F91 #682F91

triadic

#372F91 #91372F #2F9137

tetradic

#372F91 #912F58 #89912F #2F9168

square

#372F91 #912F58 #89912F #2F9168

split-complementary

#372F91 #91682F #58912F

monochromatic

#141135 #252063 #372F91 #493EBF #736BCF

Accessibility & contrast

On white

10.62

#372F91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#372F91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372F91

10.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372F91	#FFFFFF	#000000	##FFFFFF
##372F91	1.00	10.62	1.98	10.62
#FFFFFF	10.62	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004294

Deuteranopia (green-blind)

#003B8F

Tritanopia (blue-blind)

#00485C

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #372f91;
/* rgb */ color: rgb(55, 47, 145);
/* oklch */ color: oklch(38.0% 0.155 279.7);

Tailwind

colors: {
  custom: {
    50: '#7968b2',
    500: '#372f91',
    950: '#000000',
  },
}

SCSS

$custom: #372f91;
$custom-light: #7968b2;
$custom-dark: #000000;

JSON

{
  "hex": "#372f91",
  "rgb": {
    "r": 55,
    "g": 47,
    "b": 145
  },
  "hsl": {
    "h": 244.898,
    "s": 51.042,
    "l": 37.647
  },
  "oklch": {
    "l": 0.37977,
    "c": 0.15492,
    "h": 279.7
  },
  "luminance": 0.0489
}

Semantic roles & 50–950 ramp

primary

#372F91

secondary

#B0B665

accent

#DB4DCF

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0611

muted

#7C7A80

Preview Lab

Preview with #372F91

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

Preview Lab → · Contrast checker → · Palette generator →