#334591#334591

#334591 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 41.9% C 0.127 H 270.1°. Best body text is #FFFFFF at 8.75:1 contrast (WCAG AA passes).

Color values

HEX	#334591
RGB	rgb(51, 69, 145)
HSL	hsl(229, 48%, 38%)
HSV	hsv(229, 65%, 57%)
CMYK	cmyk(64.8%, 52.4%, 0%, 43.1%)
CIE-LAB	lab(31.82, 18.39, -44.26)
CIE-LCH	lch(31.82, 47.93, 292.56°)
OKLab	oklab(41.91% 0.0002 -0.1269)
OKLCH	oklch(41.91% 0.127 270.1)
XYZ	xyz(8.6025, 7.0036, 27.6811)
Luminance	0.0700 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334591 #917F33

analogous

#337491 #334591 #503391

triadic

#334591 #913345 #459133

tetradic

#334591 #913374 #917F33 #339150

square

#334591 #913374 #917F33 #339150

split-complementary

#334591 #915033 #749133

monochromatic

#131A36 #232F64 #334591 #445BBD #7183CD

Accessibility & contrast

On white

8.75

#334591 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#334591 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334591

8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334591	#FFFFFF	#000000	##FFFFFF
##334591	1.00	8.75	2.40	8.75
#FFFFFF	8.75	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#194F94

Deuteranopia (green-blind)

#00478F

Tritanopia (blue-blind)

#005764

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #334591;
/* rgb */ color: rgb(51, 69, 145);
/* oklch */ color: oklch(41.9% 0.127 270.1);

Tailwind

colors: {
  custom: {
    50: '#7578b2',
    500: '#334591',
    950: '#000000',
  },
}

SCSS

$custom: #334591;
$custom-light: #7578b2;
$custom-dark: #000000;

JSON

{
  "hex": "#334591",
  "rgb": {
    "r": 51,
    "g": 69,
    "b": 145
  },
  "hsl": {
    "h": 228.511,
    "s": 47.959,
    "l": 38.431
  },
  "oklch": {
    "l": 0.41907,
    "c": 0.12688,
    "h": 270.1
  },
  "luminance": 0.07004
}

Semantic roles & 50–950 ramp

primary

#334591

secondary

#B5A76B

accent

#BE50D8

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #334591

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

Preview Lab → · Contrast checker → · Palette generator →