#333597#333597

#333597 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.3% C 0.156 H 275.6°. Best body text is #FFFFFF at 10.02:1 contrast (WCAG AA passes).

Color values

HEX	#333597
RGB	rgb(51, 53, 151)
HSL	hsl(239, 50%, 40%)
HSV	hsv(239, 66%, 59%)
CMYK	cmyk(66.2%, 64.9%, 0%, 40.8%)
CIE-LAB	lab(28.07, 31.18, -54.01)
CIE-LCH	lch(28.07, 62.36, 299.99°)
OKLab	oklab(39.27% 0.0152 -0.1557)
OKLCH	oklch(39.27% 0.156 275.6)
XYZ	xyz(8.2224, 5.4837, 29.8973)
Luminance	0.0548 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333597 #979533

analogous

#336797 #333597 #633397

triadic

#333597 #973335 #359733

tetradic

#333597 #973367 #979533 #339763

square

#333597 #973367 #979533 #339763

split-complementary

#333597 #976333 #679733

monochromatic

#14153C #242569 #333597 #4749C1 #7476D0

Accessibility & contrast

On white

10.02

#333597 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#333597 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333597

10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333597	#FFFFFF	#000000	##FFFFFF
##333597	1.00	10.02	2.10	10.02
#FFFFFF	10.02	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00479A

Deuteranopia (green-blind)

#003E95

Tritanopia (blue-blind)

#004E61

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #333597;
/* rgb */ color: rgb(51, 53, 151);
/* oklch */ color: oklch(39.3% 0.156 275.6);

Tailwind

colors: {
  custom: {
    50: '#776cb6',
    500: '#333597',
    950: '#000000',
  },
}

SCSS

$custom: #333597;
$custom-light: #776cb6;
$custom-dark: #000000;

JSON

{
  "hex": "#333597",
  "rgb": {
    "r": 51,
    "g": 53,
    "b": 151
  },
  "hsl": {
    "h": 238.8,
    "s": 49.505,
    "l": 39.608
  },
  "oklch": {
    "l": 0.39267,
    "c": 0.15646,
    "h": 275.6
  },
  "luminance": 0.05484
}

Semantic roles & 50–950 ramp

primary

#333597

secondary

#B8B76D

accent

#D64FD9

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #333597

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

Preview Lab → · Contrast checker → · Palette generator →