#333A99#333A99

#333A99 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.4% C 0.153 H 274.1°. Best body text is #FFFFFF at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#333A99
RGB	rgb(51, 58, 153)
HSL	hsl(236, 50%, 40%)
HSV	hsv(236, 67%, 60%)
CMYK	cmyk(66.7%, 62.1%, 0%, 40%)
CIE-LAB	lab(29.49, 28.64, -52.92)
CIE-LCH	lch(29.49, 60.17, 298.42°)
OKLab	oklab(40.36% 0.0109 -0.1525)
OKLCH	oklch(40.36% 0.153 274.1)
XYZ	xyz(8.6262, 6.0291, 30.8400)
Luminance	0.0603 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333A99 #999233

analogous

#336D99 #333A99 #5F3399

triadic

#333A99 #99333A #3A9933

tetradic

#333A99 #99336D #999233 #33995F

square

#333A99 #99336D #999233 #33995F

split-complementary

#333A99 #995F33 #6D9933

monochromatic

#14173D #24296B #333A99 #4750C2 #757CD1

Accessibility & contrast

On white

9.52

#333A99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#333A99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333A99

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333A99	#FFFFFF	#000000	##FFFFFF
##333A99	1.00	9.52	2.21	9.52
#FFFFFF	9.52	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A9C

Deuteranopia (green-blind)

#004197

Tritanopia (blue-blind)

#005264

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #333a99;
/* rgb */ color: rgb(51, 58, 153);
/* oklch */ color: oklch(40.4% 0.153 274.1);

Tailwind

colors: {
  custom: {
    50: '#7770b8',
    500: '#333a99',
    950: '#000000',
  },
}

SCSS

$custom: #333a99;
$custom-light: #7770b8;
$custom-dark: #000000;

JSON

{
  "hex": "#333a99",
  "rgb": {
    "r": 51,
    "g": 58,
    "b": 153
  },
  "hsl": {
    "h": 235.882,
    "s": 50,
    "l": 40
  },
  "oklch": {
    "l": 0.40359,
    "c": 0.15288,
    "h": 274.1
  },
  "luminance": 0.0603
}

Semantic roles & 50–950 ramp

primary

#333A99

secondary

#B9B46E

accent

#D04EDA

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #333A99

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

Preview Lab → · Contrast checker → · Palette generator →