#333BA6#333BA6

#333BA6 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.7% C 0.169 H 273.2°. Best body text is #FFFFFF at 9.06:1 contrast (WCAG AA passes).

Color values

HEX	#333BA6
RGB	rgb(51, 59, 166)
HSL	hsl(236, 53%, 43%)
HSV	hsv(236, 69%, 65%)
CMYK	cmyk(69.3%, 64.5%, 0%, 34.9%)
CIE-LAB	lab(30.84, 32.64, -58.58)
CIE-LCH	lch(30.84, 67.06, 299.12°)
OKLab	oklab(41.7% 0.0094 -0.1691)
OKLCH	oklch(41.7% 0.169 273.2)
XYZ	xyz(9.8098, 6.5840, 36.8229)
Luminance	0.0659 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333BA6 #A69E33

analogous

#3375A6 #333BA6 #6433A6

triadic

#333BA6 #A6333B #3BA633

tetradic

#333BA6 #A63375 #A69E33 #33A664

square

#333BA6 #A63375 #A69E33 #33A664

split-complementary

#333BA6 #A66433 #75A633

monochromatic

#161A48 #252A77 #333BA6 #4E56C9 #7C83D7

Accessibility & contrast

On white

9.06

#333BA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#333BA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333BA6

9.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333BA6	#FFFFFF	#000000	##FFFFFF
##333BA6	1.00	9.06	2.32	9.06
#FFFFFF	9.06	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA9

Deuteranopia (green-blind)

#0043A4

Tritanopia (blue-blind)

#00576B

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #333ba6;
/* rgb */ color: rgb(51, 59, 166);
/* oklch */ color: oklch(41.7% 0.169 273.2);

Tailwind

colors: {
  custom: {
    50: '#7a71c1',
    500: '#333ba6',
    950: '#000000',
  },
}

SCSS

$custom: #333ba6;
$custom-light: #7a71c1;
$custom-dark: #000000;

JSON

{
  "hex": "#333ba6",
  "rgb": {
    "r": 51,
    "g": 59,
    "b": 166
  },
  "hsl": {
    "h": 235.826,
    "s": 52.995,
    "l": 42.549
  },
  "oklch": {
    "l": 0.41698,
    "c": 0.16935,
    "h": 273.2
  },
  "luminance": 0.06585
}

Semantic roles & 50–950 ramp

primary

#333BA6

secondary

#C0BB75

accent

#D24BDC

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #333BA6

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

Preview Lab → · Contrast checker → · Palette generator →