#333A91#333A91

#333A91 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.7% C 0.142 H 274.5°. Best body text is #FFFFFF at 9.75:1 contrast (WCAG AA passes).

Color values

HEX	#333A91
RGB	rgb(51, 58, 145)
HSL	hsl(236, 48%, 38%)
HSV	hsv(236, 65%, 57%)
CMYK	cmyk(64.8%, 60%, 0%, 43.1%)
CIE-LAB	lab(28.83, 25.76, -49.09)
CIE-LCH	lch(28.83, 55.43, 297.69°)
OKLab	oklab(39.67% 0.011 -0.1412)
OKLCH	oklch(39.67% 0.142 274.5)
XYZ	xyz(7.9874, 5.7736, 27.4761)
Luminance	0.0577 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333A91 #918A33

analogous

#336991 #333A91 #5B3391

triadic

#333A91 #91333A #3A9133

tetradic

#333A91 #913369 #918A33 #33915B

square

#333A91 #913369 #918A33 #33915B

split-complementary

#333A91 #915B33 #699133

monochromatic

#131636 #232864 #333A91 #444DBD #7178CD

Accessibility & contrast

On white

9.75

#333A91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#333A91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333A91

9.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333A91	#FFFFFF	#000000	##FFFFFF
##333A91	1.00	9.75	2.15	9.75
#FFFFFF	9.75	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004894

Deuteranopia (green-blind)

#00408F

Tritanopia (blue-blind)

#004F5F

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #333a91;
/* rgb */ color: rgb(51, 58, 145);
/* oklch */ color: oklch(39.7% 0.142 274.5);

Tailwind

colors: {
  custom: {
    50: '#7670b2',
    500: '#333a91',
    950: '#000000',
  },
}

SCSS

$custom: #333a91;
$custom-light: #7670b2;
$custom-dark: #000000;

JSON

{
  "hex": "#333a91",
  "rgb": {
    "r": 51,
    "g": 58,
    "b": 145
  },
  "hsl": {
    "h": 235.532,
    "s": 47.959,
    "l": 38.431
  },
  "oklch": {
    "l": 0.39673,
    "c": 0.14164,
    "h": 274.5
  },
  "luminance": 0.05774
}

Semantic roles & 50–950 ramp

primary

#333A91

secondary

#B5B06B

accent

#CD50D8

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #333A91

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

Preview Lab → · Contrast checker → · Palette generator →