#37337A#37337A

#37337A is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.7% C 0.117 H 281.5°. Best body text is #FFFFFF at 10.95:1 contrast (WCAG AA passes).

Color values

HEX	#37337A
RGB	rgb(55, 51, 122)
HSL	hsl(243, 41%, 34%)
HSV	hsv(243, 58%, 48%)
CMYK	cmyk(54.9%, 58.2%, 0%, 52.2%)
CIE-LAB	lab(25.52, 23.09, -40.11)
CIE-LCH	lch(25.52, 46.28, 299.93°)
OKLab	oklab(36.73% 0.0233 -0.1148)
OKLCH	oklch(36.73% 0.117 281.5)
XYZ	xyz(6.2711, 4.5847, 18.9631)
Luminance	0.0459 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37337A #767A33

analogous

#33537A #37337A #5B337A

triadic

#37337A #7A3733 #337A37

tetradic

#37337A #7A3353 #767A33 #337A5B

square

#37337A #7A3353 #767A33 #337A5B

split-complementary

#37337A #7A5B33 #537A33

monochromatic

#100F24 #24214F #37337A #4A45A5 #6D68C0

Accessibility & contrast

On white

10.95

#37337A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#37337A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37337A

10.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37337A	#FFFFFF	#000000	##FFFFFF
##37337A	1.00	10.95	1.92	10.95
#FFFFFF	10.95	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#033F7C

Deuteranopia (green-blind)

#003A79

Tritanopia (blue-blind)

#1A4351

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #37337a;
/* rgb */ color: rgb(55, 51, 122);
/* oklch */ color: oklch(36.7% 0.117 281.5);

Tailwind

colors: {
  custom: {
    50: '#746aa1',
    500: '#37337a',
    950: '#000000',
  },
}

SCSS

$custom: #37337a;
$custom-light: #746aa1;
$custom-dark: #000000;

JSON

{
  "hex": "#37337a",
  "rgb": {
    "r": 55,
    "g": 51,
    "b": 122
  },
  "hsl": {
    "h": 243.38,
    "s": 41.04,
    "l": 33.922
  },
  "oklch": {
    "l": 0.36726,
    "c": 0.1171,
    "h": 281.5
  },
  "luminance": 0.04585
}

Semantic roles & 50–950 ramp

primary

#37337A

secondary

#A4A861

accent

#D157CA

background

#F7F6FA

surface

#EDEBF3

border

#C8C6CD

text

#09060F

muted

#7B7A7F

Preview Lab

Preview with #37337A

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

Preview Lab → · Contrast checker → · Palette generator →