#37347D#37347D

#37347D is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.2% C 0.120 H 280.7°. Best body text is #FFFFFF at 10.77:1 contrast (WCAG AA passes).

Color values

HEX	#37347D
RGB	rgb(55, 52, 125)
HSL	hsl(242, 41%, 35%)
HSV	hsv(242, 58%, 49%)
CMYK	cmyk(56%, 58.4%, 0%, 51%)
CIE-LAB	lab(26.01, 23.45, -41.21)
CIE-LCH	lch(26.01, 47.42, 299.64°)
OKLab	oklab(37.16% 0.0222 -0.118)
OKLCH	oklch(37.16% 0.12 280.7)
XYZ	xyz(6.5041, 4.7485, 19.9719)
Luminance	0.0475 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37347D #7A7D34

analogous

#34557D #37347D #5C347D

triadic

#37347D #7D3734 #347D37

tetradic

#37347D #7D3455 #7A7D34 #347D5C

square

#37347D #7D3455 #7A7D34 #347D5C

split-complementary

#37347D #7D5C34 #557D34

monochromatic

#111027 #242252 #37347D #4A46A8 #6E6AC1

Accessibility & contrast

On white

10.77

#37347D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#37347D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37347D

10.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37347D	#FFFFFF	#000000	##FFFFFF
##37347D	1.00	10.77	1.95	10.77
#FFFFFF	10.77	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00407F

Deuteranopia (green-blind)

#003B7B

Tritanopia (blue-blind)

#174553

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #37347d;
/* rgb */ color: rgb(55, 52, 125);
/* oklch */ color: oklch(37.2% 0.120 280.7);

Tailwind

colors: {
  custom: {
    50: '#746ba3',
    500: '#37347d',
    950: '#000000',
  },
}

SCSS

$custom: #37347d;
$custom-light: #746ba3;
$custom-dark: #000000;

JSON

{
  "hex": "#37347d",
  "rgb": {
    "r": 55,
    "g": 52,
    "b": 125
  },
  "hsl": {
    "h": 242.466,
    "s": 41.243,
    "l": 34.706
  },
  "oklch": {
    "l": 0.37161,
    "c": 0.12007,
    "h": 280.7
  },
  "luminance": 0.04749
}

Semantic roles & 50–950 ramp

primary

#37347D

secondary

#A6A964

accent

#D157CC

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#09060F

muted

#7B7A7F

Preview Lab

Preview with #37347D

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

Preview Lab → · Contrast checker → · Palette generator →