#33439B#33439B

#33439B is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.3% C 0.144 H 271.1°. Best body text is #FFFFFF at 8.69:1 contrast (WCAG AA passes).

Color values

HEX	#33439B
RGB	rgb(51, 67, 155)
HSL	hsl(231, 50%, 40%)
HSV	hsv(231, 67%, 61%)
CMYK	cmyk(67.1%, 56.8%, 0%, 39.2%)
CIE-LAB	lab(32.00, 23.41, -50.05)
CIE-LCH	lch(32.00, 55.26, 295.06°)
OKLab	oklab(42.28% 0.0029 -0.144)
OKLCH	oklch(42.28% 0.144 271.1)
XYZ	xyz(9.2868, 7.0838, 31.8819)
Luminance	0.0708 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33439B #9B8B33

analogous

#33779B #33439B #57339B

triadic

#33439B #9B3343 #439B33

tetradic

#33439B #9B3377 #9B8B33 #339B57

square

#33439B #9B3377 #9B8B33 #339B57

split-complementary

#33439B #9B5733 #779B33

monochromatic

#151B3F #242F6D #33439B #485BC3 #7684D2

Accessibility & contrast

On white

8.69

#33439B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#33439B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33439B

8.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33439B	#FFFFFF	#000000	##FFFFFF
##33439B	1.00	8.69	2.42	8.69
#FFFFFF	8.69	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00509E

Deuteranopia (green-blind)

#004799

Tritanopia (blue-blind)

#005868

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #33439b;
/* rgb */ color: rgb(51, 67, 155);
/* oklch */ color: oklch(42.3% 0.144 271.1);

Tailwind

colors: {
  custom: {
    50: '#7776b9',
    500: '#33439b',
    950: '#000000',
  },
}

SCSS

$custom: #33439b;
$custom-light: #7776b9;
$custom-dark: #000000;

JSON

{
  "hex": "#33439b",
  "rgb": {
    "r": 51,
    "g": 67,
    "b": 155
  },
  "hsl": {
    "h": 230.769,
    "s": 50.485,
    "l": 40.392
  },
  "oklch": {
    "l": 0.42275,
    "c": 0.14399,
    "h": 271.1
  },
  "luminance": 0.07085
}

Semantic roles & 50–950 ramp

primary

#33439B

secondary

#BAAF6F

accent

#C44EDA

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0811

muted

#7C7B80

Preview Lab

Preview with #33439B

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

Preview Lab → · Contrast checker → · Palette generator →