#372A8F#372A8F

#372A8F is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.0% C 0.158 H 281.2°. Best body text is #FFFFFF at 11.11:1 contrast (WCAG AA passes).

Color values

HEX	#372A8F
RGB	rgb(55, 42, 143)
HSL	hsl(248, 55%, 36%)
HSV	hsv(248, 71%, 56%)
CMYK	cmyk(61.5%, 70.6%, 0%, 43.9%)
CIE-LAB	lab(25.11, 35.92, -53.92)
CIE-LCH	lch(25.11, 64.79, 303.67°)
OKLab	oklab(36.98% 0.0307 -0.1553)
OKLCH	oklch(36.98% 0.158 281.2)
XYZ	xyz(7.3599, 4.4508, 26.4525)
Luminance	0.0445 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372A8F #828F2A

analogous

#2A508F #372A8F #6A2A8F

triadic

#372A8F #8F372A #2A8F37

tetradic

#372A8F #8F2A50 #828F2A #2A8F6A

square

#372A8F #8F2A50 #828F2A #2A8F6A

split-complementary

#372A8F #8F6A2A #508F2A

monochromatic

#130E30 #251C60 #372A8F #4938BE #7162D1

Accessibility & contrast

On white

11.11

#372A8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#372A8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372A8F

11.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372A8F	#FFFFFF	#000000	##FFFFFF
##372A8F	1.00	11.11	1.89	11.11
#FFFFFF	11.11	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F92

Deuteranopia (green-blind)

#00388D

Tritanopia (blue-blind)

#004559

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #372a8f;
/* rgb */ color: rgb(55, 42, 143);
/* oklch */ color: oklch(37.0% 0.158 281.2);

Tailwind

colors: {
  custom: {
    50: '#7965b1',
    500: '#372a8f',
    950: '#000000',
  },
}

SCSS

$custom: #372a8f;
$custom-light: #7965b1;
$custom-dark: #000000;

JSON

{
  "hex": "#372a8f",
  "rgb": {
    "r": 55,
    "g": 42,
    "b": 143
  },
  "hsl": {
    "h": 247.723,
    "s": 54.595,
    "l": 36.275
  },
  "oklch": {
    "l": 0.36979,
    "c": 0.15835,
    "h": 281.2
  },
  "luminance": 0.04451
}

Semantic roles & 50–950 ramp

primary

#372A8F

secondary

#ABB75E

accent

#DE4ACB

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0611

muted

#7C7A80

Preview Lab

Preview with #372A8F

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

Preview Lab → · Contrast checker → · Palette generator →