#37338B#37338B

#37338B is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.1% C 0.142 H 279.3°. Best body text is #FFFFFF at 10.45:1 contrast (WCAG AA passes).

Color values

HEX	#37338B
RGB	rgb(55, 51, 139)
HSL	hsl(243, 46%, 37%)
HSV	hsv(243, 63%, 55%)
CMYK	cmyk(60.4%, 63.3%, 0%, 45.5%)
CIE-LAB	lab(26.86, 28.94, -48.58)
CIE-LCH	lch(26.86, 56.55, 300.78°)
OKLab	oklab(38.14% 0.0229 -0.1397)
OKLCH	oklch(38.14% 0.142 279.3)
XYZ	xyz(7.4181, 5.0434, 25.0037)
Luminance	0.0504 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37338B #878B33

analogous

#335B8B #37338B #63338B

triadic

#37338B #8B3733 #338B37

tetradic

#37338B #8B335B #878B33 #338B63

square

#37338B #8B335B #878B33 #338B63

split-complementary

#37338B #8B6333 #5B8B33

monochromatic

#141231 #25235E #37338B #4943B8 #736ECA

Accessibility & contrast

On white

10.45

#37338B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#37338B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37338B

10.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37338B	#FFFFFF	#000000	##FFFFFF
##37338B	1.00	10.45	2.01	10.45
#FFFFFF	10.45	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00438E

Deuteranopia (green-blind)

#003C89

Tritanopia (blue-blind)

#00495A

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #37338b;
/* rgb */ color: rgb(55, 51, 139);
/* oklch */ color: oklch(38.1% 0.142 279.3);

Tailwind

colors: {
  custom: {
    50: '#776bae',
    500: '#37338b',
    950: '#000000',
  },
}

SCSS

$custom: #37338b;
$custom-light: #776bae;
$custom-dark: #000000;

JSON

{
  "hex": "#37338b",
  "rgb": {
    "r": 55,
    "g": 51,
    "b": 139
  },
  "hsl": {
    "h": 242.727,
    "s": 46.316,
    "l": 37.255
  },
  "oklch": {
    "l": 0.38139,
    "c": 0.14154,
    "h": 279.3
  },
  "luminance": 0.05044
}

Semantic roles & 50–950 ramp

primary

#37338B

secondary

#AFB268

accent

#D652D0

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #37338B

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

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