#372DA7#372DA7

#372DA7 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.8% C 0.186 H 277.4°. Best body text is #FFFFFF at 10.02:1 contrast (WCAG AA passes).

Color values

HEX	#372DA7
RGB	rgb(55, 45, 167)
HSL	hsl(245, 58%, 42%)
HSV	hsv(245, 73%, 65%)
CMYK	cmyk(67.1%, 73.1%, 0%, 34.5%)
CIE-LAB	lab(28.06, 42.04, -63.74)
CIE-LCH	lch(28.06, 76.36, 303.40°)
OKLab	oklab(39.79% 0.0241 -0.1841)
OKLCH	oklch(39.79% 0.186 277.4)
XYZ	xyz(9.4867, 5.4782, 37.1092)
Luminance	0.0548 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372DA7 #9DA72D

analogous

#2D60A7 #372DA7 #742DA7

triadic

#372DA7 #A7372D #2DA737

tetradic

#372DA7 #A72D60 #9DA72D #2DA774

square

#372DA7 #A72D60 #9DA72D #2DA774

split-complementary

#372DA7 #A7742D #60A72D

monochromatic

#171347 #272077 #372DA7 #5044CD #7D75DA

Accessibility & contrast

On white

10.02

#372DA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#372DA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372DA7

10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372DA7	#FFFFFF	#000000	##FFFFFF
##372DA7	1.00	10.02	2.10	10.02
#FFFFFF	10.02	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047AB

Deuteranopia (green-blind)

#003DA5

Tritanopia (blue-blind)

#004F67

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #372da7;
/* rgb */ color: rgb(55, 45, 167);
/* oklch */ color: oklch(39.8% 0.186 277.4);

Tailwind

colors: {
  custom: {
    50: '#7d68c2',
    500: '#372da7',
    950: '#000000',
  },
}

SCSS

$custom: #372da7;
$custom-light: #7d68c2;
$custom-dark: #000000;

JSON

{
  "hex": "#372da7",
  "rgb": {
    "r": 55,
    "g": 45,
    "b": 167
  },
  "hsl": {
    "h": 244.918,
    "s": 57.547,
    "l": 41.569
  },
  "oklch": {
    "l": 0.39787,
    "c": 0.18567,
    "h": 277.4
  },
  "luminance": 0.05479
}

Semantic roles & 50–950 ramp

primary

#372DA7

secondary

#BBC16E

accent

#E147D4

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #372DA7

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

Preview Lab → · Contrast checker → · Palette generator →