#33408B#33408B

#33408B is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.4% C 0.125 H 272.2°. Best body text is #FFFFFF at 9.35:1 contrast (WCAG AA passes).

Color values

HEX	#33408B
RGB	rgb(51, 64, 139)
HSL	hsl(231, 46%, 37%)
HSV	hsv(231, 63%, 55%)
CMYK	cmyk(63.3%, 54%, 0%, 45.5%)
CIE-LAB	lab(30.00, 19.56, -43.51)
CIE-LCH	lch(30.00, 47.70, 294.20°)
OKLab	oklab(40.4% 0.0048 -0.1247)
OKLCH	oklch(40.4% 0.125 272.2)
XYZ	xyz(7.8573, 6.2340, 25.2103)
Luminance	0.0624 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33408B #8B7E33

analogous

#336C8B #33408B #52338B

triadic

#33408B #8B3340 #408B33

tetradic

#33408B #8B336C #8B7E33 #338B52

square

#33408B #8B336C #8B7E33 #338B52

split-complementary

#33408B #8B5233 #6C8B33

monochromatic

#121731 #232B5E #33408B #4355B8 #6E7CCA

Accessibility & contrast

On white

9.35

#33408B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#33408B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33408B

9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33408B	#FFFFFF	#000000	##FFFFFF
##33408B	1.00	9.35	2.25	9.35
#FFFFFF	9.35	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#124B8E

Deuteranopia (green-blind)

#004389

Tritanopia (blue-blind)

#00515F

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #33408b;
/* rgb */ color: rgb(51, 64, 139);
/* oklch */ color: oklch(40.4% 0.125 272.2);

Tailwind

colors: {
  custom: {
    50: '#7474ad',
    500: '#33408b',
    950: '#000000',
  },
}

SCSS

$custom: #33408b;
$custom-light: #7474ad;
$custom-dark: #000000;

JSON

{
  "hex": "#33408b",
  "rgb": {
    "r": 51,
    "g": 64,
    "b": 139
  },
  "hsl": {
    "h": 231.136,
    "s": 46.316,
    "l": 37.255
  },
  "oklch": {
    "l": 0.40397,
    "c": 0.12483,
    "h": 272.2
  },
  "luminance": 0.06235
}

Semantic roles & 50–950 ramp

primary

#33408B

secondary

#B2A768

accent

#C252D6

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#090810

muted

#7B7B7F

Preview Lab

Preview with #33408B

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

Preview Lab → · Contrast checker → · Palette generator →