#333997#333997

#333997 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.0% C 0.151 H 274.5°. Best body text is #FFFFFF at 9.66:1 contrast (WCAG AA passes).

Color values

HEX	#333997
RGB	rgb(51, 57, 151)
HSL	hsl(236, 50%, 40%)
HSV	hsv(236, 66%, 59%)
CMYK	cmyk(66.2%, 62.3%, 0%, 40.8%)
CIE-LAB	lab(29.07, 28.58, -52.38)
CIE-LCH	lch(29.07, 59.67, 298.61°)
OKLab	oklab(40% 0.0118 -0.1509)
OKLCH	oklch(40% 0.151 274.5)
XYZ	xyz(8.4124, 5.8637, 29.9606)
Luminance	0.0586 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333997 #979133

analogous

#336B97 #333997 #5F3397

triadic

#333997 #973339 #399733

tetradic

#333997 #97336B #979133 #33975F

square

#333997 #97336B #979133 #33975F

split-complementary

#333997 #975F33 #6B9733

monochromatic

#14163C #242869 #333997 #474EC1 #747AD0

Accessibility & contrast

On white

9.66

#333997 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#333997 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333997

9.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333997	#FFFFFF	#000000	##FFFFFF
##333997	1.00	9.66	2.17	9.66
#FFFFFF	9.66	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499A

Deuteranopia (green-blind)

#004095

Tritanopia (blue-blind)

#005062

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #333997;
/* rgb */ color: rgb(51, 57, 151);
/* oklch */ color: oklch(40.0% 0.151 274.5);

Tailwind

colors: {
  custom: {
    50: '#776fb6',
    500: '#333997',
    950: '#000000',
  },
}

SCSS

$custom: #333997;
$custom-light: #776fb6;
$custom-dark: #000000;

JSON

{
  "hex": "#333997",
  "rgb": {
    "r": 51,
    "g": 57,
    "b": 151
  },
  "hsl": {
    "h": 236.4,
    "s": 49.505,
    "l": 39.608
  },
  "oklch": {
    "l": 0.39998,
    "c": 0.15138,
    "h": 274.5
  },
  "luminance": 0.05864
}

Semantic roles & 50–950 ramp

primary

#333997

secondary

#B8B46D

accent

#D14FD9

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #333997

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

Preview Lab → · Contrast checker → · Palette generator →