#33388D#33388D

#33388D is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.9% C 0.139 H 275.4°. Best body text is #FFFFFF at 10.04:1 contrast (WCAG AA passes).

Color values

HEX	#33388D
RGB	rgb(51, 56, 141)
HSL	hsl(237, 47%, 38%)
HSV	hsv(237, 64%, 55%)
CMYK	cmyk(63.8%, 60.3%, 0%, 44.7%)
CIE-LAB	lab(27.99, 25.65, -47.99)
CIE-LCH	lch(27.99, 54.41, 298.12°)
OKLab	oklab(38.95% 0.0129 -0.138)
OKLCH	oklch(38.95% 0.139 275.4)
XYZ	xyz(7.5856, 5.4546, 25.8472)
Luminance	0.0546 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33388D #8D8833

analogous

#33658D #33388D #5B338D

triadic

#33388D #8D3338 #388D33

tetradic

#33388D #8D3365 #8D8833 #338D5B

square

#33388D #8D3365 #8D8833 #338D5B

split-complementary

#33388D #8D5B33 #658D33

monochromatic

#121433 #232660 #33388D #434ABA #6F74CB

Accessibility & contrast

On white

10.04

#33388D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#33388D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33388D

10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33388D	#FFFFFF	#000000	##FFFFFF
##33388D	1.00	10.04	2.09	10.04
#FFFFFF	10.04	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004690

Deuteranopia (green-blind)

#003E8B

Tritanopia (blue-blind)

#004D5D

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #33388d;
/* rgb */ color: rgb(51, 56, 141);
/* oklch */ color: oklch(38.9% 0.139 275.4);

Tailwind

colors: {
  custom: {
    50: '#756eaf',
    500: '#33388d',
    950: '#000000',
  },
}

SCSS

$custom: #33388d;
$custom-light: #756eaf;
$custom-dark: #000000;

JSON

{
  "hex": "#33388d",
  "rgb": {
    "r": 51,
    "g": 56,
    "b": 141
  },
  "hsl": {
    "h": 236.667,
    "s": 46.875,
    "l": 37.647
  },
  "oklch": {
    "l": 0.38949,
    "c": 0.13861,
    "h": 275.4
  },
  "luminance": 0.05455
}

Semantic roles & 50–950 ramp

primary

#33388D

secondary

#B3AF69

accent

#CF51D7

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #33388D

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

Preview Lab → · Contrast checker → · Palette generator →