#333397#333397

#333397 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.9% C 0.159 H 276.1°. Best body text is #FFFFFF at 10.19:1 contrast (WCAG AA passes).

Color values

HEX	#333397
RGB	rgb(51, 51, 151)
HSL	hsl(240, 50%, 40%)
HSV	hsv(240, 66%, 59%)
CMYK	cmyk(66.2%, 66.2%, 0%, 40.8%)
CIE-LAB	lab(27.59, 32.46, -54.80)
CIE-LCH	lch(27.59, 63.69, 300.64°)
OKLab	oklab(38.91% 0.0168 -0.158)
OKLCH	oklch(38.91% 0.159 276.1)
XYZ	xyz(8.1332, 5.3051, 29.8675)
Luminance	0.0531 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333397 #979733

analogous

#336597 #333397 #653397

triadic

#333397 #973333 #339733

tetradic

#333397 #973365 #979733 #339765

square

#333397 #973365 #979733 #339765

split-complementary

#333397 #976533 #659733

monochromatic

#14143C #242469 #333397 #4747C1 #7474D0

Accessibility & contrast

On white

10.19

#333397 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#333397 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333397

10.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333397	#FFFFFF	#000000	##FFFFFF
##333397	1.00	10.19	2.06	10.19
#FFFFFF	10.19	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00469A

Deuteranopia (green-blind)

#003D95

Tritanopia (blue-blind)

#004D60

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #333397;
/* rgb */ color: rgb(51, 51, 151);
/* oklch */ color: oklch(38.9% 0.159 276.1);

Tailwind

colors: {
  custom: {
    50: '#776bb6',
    500: '#333397',
    950: '#000000',
  },
}

SCSS

$custom: #333397;
$custom-light: #776bb6;
$custom-dark: #000000;

JSON

{
  "hex": "#333397",
  "rgb": {
    "r": 51,
    "g": 51,
    "b": 151
  },
  "hsl": {
    "h": 240,
    "s": 49.505,
    "l": 39.608
  },
  "oklch": {
    "l": 0.38914,
    "c": 0.15894,
    "h": 276.1
  },
  "luminance": 0.05306
}

Semantic roles & 50–950 ramp

primary

#333397

secondary

#B8B86D

accent

#D94FD9

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0611

muted

#7C7A80

Preview Lab

Preview with #333397

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

Preview Lab → · Contrast checker → · Palette generator →