#33378E#33378E

#33378E is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.8% C 0.141 H 275.6°. Best body text is #FFFFFF at 10.11:1 contrast (WCAG AA passes).

Color values

HEX	#33378E
RGB	rgb(51, 55, 142)
HSL	hsl(237, 47%, 38%)
HSV	hsv(237, 64%, 56%)
CMYK	cmyk(64.1%, 61.3%, 0%, 44.3%)
CIE-LAB	lab(27.81, 26.67, -48.89)
CIE-LCH	lch(27.81, 55.69, 298.61°)
OKLab	oklab(38.84% 0.0139 -0.1407)
OKLCH	oklch(38.84% 0.141 275.6)
XYZ	xyz(7.6123, 5.3886, 26.2249)
Luminance	0.0539 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33378E #8E8A33

analogous

#33648E #33378E #5D338E

triadic

#33378E #8E3337 #378E33

tetradic

#33378E #8E3364 #8E8A33 #338E5D

square

#33378E #8E3364 #8E8A33 #338E5D

split-complementary

#33378E #8E5D33 #648E33

monochromatic

#131434 #232661 #33378E #4348BB #7074CC

Accessibility & contrast

On white

10.11

#33378E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#33378E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33378E

10.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33378E	#FFFFFF	#000000	##FFFFFF
##33378E	1.00	10.11	2.08	10.11
#FFFFFF	10.11	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004691

Deuteranopia (green-blind)

#003E8C

Tritanopia (blue-blind)

#004C5D

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #33378e;
/* rgb */ color: rgb(51, 55, 142);
/* oklch */ color: oklch(38.8% 0.141 275.6);

Tailwind

colors: {
  custom: {
    50: '#756eb0',
    500: '#33378e',
    950: '#000000',
  },
}

SCSS

$custom: #33378e;
$custom-light: #756eb0;
$custom-dark: #000000;

JSON

{
  "hex": "#33378e",
  "rgb": {
    "r": 51,
    "g": 55,
    "b": 142
  },
  "hsl": {
    "h": 237.363,
    "s": 47.15,
    "l": 37.843
  },
  "oklch": {
    "l": 0.38842,
    "c": 0.14136,
    "h": 275.6
  },
  "luminance": 0.05389
}

Semantic roles & 50–950 ramp

primary

#33378E

secondary

#B4B069

accent

#D151D7

background

#F7F6FA

surface

#EEEBF5

border

#C9C6CF

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #33378E

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

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