#372F74#372F74

#372F74 is a dark, moderate blue. Relative luminance 0.041; OKLCH L 35.5% C 0.114 H 284.2°. Best body text is #FFFFFF at 11.53:1 contrast (WCAG AA passes).

Color values

HEX	#372F74
RGB	rgb(55, 47, 116)
HSL	hsl(247, 42%, 32%)
HSV	hsv(247, 59%, 45%)
CMYK	cmyk(52.6%, 59.5%, 0%, 54.5%)
CIE-LAB	lab(24.02, 23.71, -38.72)
CIE-LCH	lch(24.02, 45.40, 301.49°)
OKLab	oklab(35.47% 0.028 -0.1107)
OKLCH	oklch(35.47% 0.114 284.2)
XYZ	xyz(5.7435, 4.1059, 17.0095)
Luminance	0.0411 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372F74 #6C742F

analogous

#2F4A74 #372F74 #5A2F74

triadic

#372F74 #74372F #2F7437

tetradic

#372F74 #742F4A #6C742F #2F745A

square

#372F74 #742F4A #6C742F #2F745A

split-complementary

#372F74 #745A2F #4A742F

monochromatic

#0E0C1D #221D48 #372F74 #4C41A0 #6A5FBE

Accessibility & contrast

On white

11.53

#372F74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#372F74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372F74

11.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372F74	#FFFFFF	#000000	##FFFFFF
##372F74	1.00	11.53	1.82	11.53
#FFFFFF	11.53	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B76

Deuteranopia (green-blind)

#003773

Tritanopia (blue-blind)

#203F4C

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #372f74;
/* rgb */ color: rgb(55, 47, 116);
/* oklch */ color: oklch(35.5% 0.114 284.2);

Tailwind

colors: {
  custom: {
    50: '#73689d',
    500: '#372f74',
    950: '#000000',
  },
}

SCSS

$custom: #372f74;
$custom-light: #73689d;
$custom-dark: #000000;

JSON

{
  "hex": "#372f74",
  "rgb": {
    "r": 55,
    "g": 47,
    "b": 116
  },
  "hsl": {
    "h": 246.957,
    "s": 42.331,
    "l": 31.961
  },
  "oklch": {
    "l": 0.35472,
    "c": 0.11418,
    "h": 284.2
  },
  "luminance": 0.04106
}

Semantic roles & 50–950 ramp

primary

#372F74

secondary

#9CA55A

accent

#D256C4

background

#F7F6F9

surface

#EDEBF2

border

#C8C6CC

text

#08060E

muted

#7B7A7E

Preview Lab

Preview with #372F74

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

Preview Lab → · Contrast checker → · Palette generator →