#33388C#33388C

#33388C is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.9% C 0.137 H 275.4°. Best body text is #FFFFFF at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#33388C
RGB	rgb(51, 56, 140)
HSL	hsl(237, 47%, 37%)
HSV	hsv(237, 64%, 55%)
CMYK	cmyk(63.6%, 60%, 0%, 45.1%)
CIE-LAB	lab(27.91, 25.29, -47.50)
CIE-LCH	lch(27.91, 53.81, 298.03°)
OKLab	oklab(38.87% 0.0129 -0.1366)
OKLCH	oklch(38.87% 0.137 275.4)
XYZ	xyz(7.5115, 5.4250, 25.4572)
Luminance	0.0543 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33388C #8C8733

analogous

#33658C #33388C #5A338C

triadic

#33388C #8C3338 #388C33

tetradic

#33388C #8C3365 #8C8733 #338C5A

square

#33388C #8C3365 #8C8733 #338C5A

split-complementary

#33388C #8C5A33 #658C33

monochromatic

#121432 #23265F #33388C #434AB9 #6F74CB

Accessibility & contrast

On white

10.07

#33388C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#33388C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33388C

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33388C	#FFFFFF	#000000	##FFFFFF
##33388C	1.00	10.07	2.09	10.07
#FFFFFF	10.07	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00468F

Deuteranopia (green-blind)

#003E8A

Tritanopia (blue-blind)

#004C5C

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #33388c;
/* rgb */ color: rgb(51, 56, 140);
/* oklch */ color: oklch(38.9% 0.137 275.4);

Tailwind

colors: {
  custom: {
    50: '#756eae',
    500: '#33388c',
    950: '#000000',
  },
}

SCSS

$custom: #33388c;
$custom-light: #756eae;
$custom-dark: #000000;

JSON

{
  "hex": "#33388c",
  "rgb": {
    "r": 51,
    "g": 56,
    "b": 140
  },
  "hsl": {
    "h": 236.629,
    "s": 46.597,
    "l": 37.451
  },
  "oklch": {
    "l": 0.38865,
    "c": 0.13718,
    "h": 275.4
  },
  "luminance": 0.05426
}

Semantic roles & 50–950 ramp

primary

#33388C

secondary

#B2AE68

accent

#CF52D6

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #33388C

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

Preview Lab → · Contrast checker → · Palette generator →