#372EAC#372EAC

#372EAC is a dark, vivid blue. Relative luminance 0.057; OKLCH L 40.4% C 0.191 H 276.8°. Best body text is #FFFFFF at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#372EAC
RGB	rgb(55, 46, 172)
HSL	hsl(244, 58%, 43%)
HSV	hsv(244, 73%, 67%)
CMYK	cmyk(68%, 73.3%, 0%, 32.5%)
CIE-LAB	lab(28.76, 43.10, -65.60)
CIE-LCH	lch(28.76, 78.49, 303.30°)
OKLab	oklab(40.44% 0.0225 -0.1895)
OKLCH	oklch(40.44% 0.191 276.8)
XYZ	xyz(9.9965, 5.7439, 39.6036)
Luminance	0.0575 (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

#372EAC #A3AC2E

analogous

#2E64AC #372EAC #762EAC

triadic

#372EAC #AC372E #2EAC37

tetradic

#372EAC #AC2E64 #A3AC2E #2EAC76

square

#372EAC #AC2E64 #A3AC2E #2EAC76

split-complementary

#372EAC #AC762E #64AC2E

monochromatic

#18144B #28217C #372EAC #5249CE #8079DB

Accessibility & contrast

On white

9.77

#372EAC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#372EAC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372EAC

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372EAC	#FFFFFF	#000000	##FFFFFF
##372EAC	1.00	9.77	2.15	9.77
#FFFFFF	9.77	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049B0

Deuteranopia (green-blind)

#003EAA

Tritanopia (blue-blind)

#00526A

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #372eac;
/* rgb */ color: rgb(55, 46, 172);
/* oklch */ color: oklch(40.4% 0.191 276.8);

Tailwind

colors: {
  custom: {
    50: '#7e69c6',
    500: '#372eac',
    950: '#000000',
  },
}

SCSS

$custom: #372eac;
$custom-light: #7e69c6;
$custom-dark: #000000;

JSON

{
  "hex": "#372eac",
  "rgb": {
    "r": 55,
    "g": 46,
    "b": 172
  },
  "hsl": {
    "h": 244.286,
    "s": 57.798,
    "l": 42.745
  },
  "oklch": {
    "l": 0.40435,
    "c": 0.19085,
    "h": 276.8
  },
  "luminance": 0.05745
}

Semantic roles & 50–950 ramp

primary

#372EAC

secondary

#BEC372

accent

#E147D6

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #372EAC

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

Preview Lab → · Contrast checker → · Palette generator →