#333A8A#333A8A

#333A8A is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.1% C 0.132 H 274.8°. Best body text is #FFFFFF at 9.94:1 contrast (WCAG AA passes).

Color values

HEX	#333A8A
RGB	rgb(51, 58, 138)
HSL	hsl(235, 46%, 37%)
HSV	hsv(235, 63%, 54%)
CMYK	cmyk(63%, 58%, 0%, 45.9%)
CIE-LAB	lab(28.29, 23.23, -45.66)
CIE-LCH	lch(28.29, 51.23, 296.97°)
OKLab	oklab(39.09% 0.0109 -0.1311)
OKLCH	oklch(39.09% 0.132 274.8)
XYZ	xyz(7.4642, 5.5643, 24.7205)
Luminance	0.0556 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333A8A #8A8333

analogous

#33668A #333A8A #57338A

triadic

#333A8A #8A333A #3A8A33

tetradic

#333A8A #8A3366 #8A8333 #338A57

square

#333A8A #8A3366 #8A8333 #338A57

split-complementary

#333A8A #8A5733 #668A33

monochromatic

#121431 #22275D #333A8A #444DB7 #6E75C9

Accessibility & contrast

On white

9.94

#333A8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#333A8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333A8A

9.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333A8A	#FFFFFF	#000000	##FFFFFF
##333A8A	1.00	9.94	2.11	9.94
#FFFFFF	9.94	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00478D

Deuteranopia (green-blind)

#003F88

Tritanopia (blue-blind)

#004D5C

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #333a8a;
/* rgb */ color: rgb(51, 58, 138);
/* oklch */ color: oklch(39.1% 0.132 274.8);

Tailwind

colors: {
  custom: {
    50: '#7470ad',
    500: '#333a8a',
    950: '#000000',
  },
}

SCSS

$custom: #333a8a;
$custom-light: #7470ad;
$custom-dark: #000000;

JSON

{
  "hex": "#333a8a",
  "rgb": {
    "r": 51,
    "g": 58,
    "b": 138
  },
  "hsl": {
    "h": 235.172,
    "s": 46.032,
    "l": 37.059
  },
  "oklch": {
    "l": 0.39092,
    "c": 0.13159,
    "h": 274.8
  },
  "luminance": 0.05565
}

Semantic roles & 50–950 ramp

primary

#333A8A

secondary

#B1AB67

accent

#CB52D6

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #333A8A

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

Preview Lab → · Contrast checker → · Palette generator →