#372DAC#372DAC

#372DAC is a dark, vivid blue. Relative luminance 0.057; OKLCH L 40.3% C 0.192 H 276.9°. Best body text is #FFFFFF at 9.84:1 contrast (WCAG AA passes).

Color values

HEX	#372DAC
RGB	rgb(55, 45, 172)
HSL	hsl(245, 59%, 43%)
HSV	hsv(245, 74%, 67%)
CMYK	cmyk(68%, 73.8%, 0%, 32.5%)
CIE-LAB	lab(28.56, 43.66, -65.93)
CIE-LCH	lch(28.56, 79.08, 303.51°)
OKLab	oklab(40.29% 0.0231 -0.1905)
OKLCH	oklch(40.29% 0.192 276.9)
XYZ	xyz(9.9579, 5.6667, 39.5907)
Luminance	0.0567 (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

#372DAC #A2AC2D

analogous

#2D63AC #372DAC #762DAC

triadic

#372DAC #AC372D #2DAC37

tetradic

#372DAC #AC2D63 #A2AC2D #2DAC76

square

#372DAC #AC2D63 #A2AC2D #2DAC76

split-complementary

#372DAC #AC762D #63AC2D

monochromatic

#18144B #27207B #372DAC #5247CF #8078DC

Accessibility & contrast

On white

9.84

#372DAC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#372DAC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372DAC

9.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372DAC	#FFFFFF	#000000	##FFFFFF
##372DAC	1.00	9.84	2.13	9.84
#FFFFFF	9.84	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049B0

Deuteranopia (green-blind)

#003EAA

Tritanopia (blue-blind)

#00516A

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #372dac;
/* rgb */ color: rgb(55, 45, 172);
/* oklch */ color: oklch(40.3% 0.192 276.9);

Tailwind

colors: {
  custom: {
    50: '#7e68c6',
    500: '#372dac',
    950: '#000000',
  },
}

SCSS

$custom: #372dac;
$custom-light: #7e68c6;
$custom-dark: #000000;

JSON

{
  "hex": "#372dac",
  "rgb": {
    "r": 55,
    "g": 45,
    "b": 172
  },
  "hsl": {
    "h": 244.724,
    "s": 58.525,
    "l": 42.549
  },
  "oklch": {
    "l": 0.40292,
    "c": 0.19187,
    "h": 276.9
  },
  "luminance": 0.05668
}

Semantic roles & 50–950 ramp

primary

#372DAC

secondary

#BDC471

accent

#E246D5

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #372DAC

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

Preview Lab → · Contrast checker → · Palette generator →