#333AB6#333AB6

#333AB6 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 43.0% C 0.191 H 272.6°. Best body text is #FFFFFF at 8.67:1 contrast (WCAG AA passes).

Color values

HEX	#333AB6
RGB	rgb(51, 58, 182)
HSL	hsl(237, 56%, 46%)
HSV	hsv(237, 72%, 71%)
CMYK	cmyk(72%, 68.1%, 0%, 28.6%)
CIE-LAB	lab(32.05, 38.89, -66.16)
CIE-LCH	lch(32.05, 76.74, 300.45°)
OKLab	oklab(43.02% 0.0087 -0.1913)
OKLCH	oklch(43.02% 0.191 272.6)
XYZ	xyz(11.3190, 7.1062, 45.0220)
Luminance	0.0711 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333AB6 #B6AF33

analogous

#337BB6 #333AB6 #6D33B6

triadic

#333AB6 #B6333A #3AB633

tetradic

#333AB6 #B6337B #B6AF33 #33B66D

square

#333AB6 #B6337B #B6AF33 #33B66D

split-complementary

#333AB6 #B66D33 #7BB633

monochromatic

#181C56 #262B86 #333AB6 #565DD0 #868BDD

Accessibility & contrast

On white

8.67

#333AB6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#333AB6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333AB6

8.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333AB6	#FFFFFF	#000000	##FFFFFF
##333AB6	1.00	8.67	2.42	8.67
#FFFFFF	8.67	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052BA

Deuteranopia (green-blind)

#0045B4

Tritanopia (blue-blind)

#005C73

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #333ab6;
/* rgb */ color: rgb(51, 58, 182);
/* oklch */ color: oklch(43.0% 0.191 272.6);

Tailwind

colors: {
  custom: {
    50: '#7e71cd',
    500: '#333ab6',
    950: '#000000',
  },
}

SCSS

$custom: #333ab6;
$custom-light: #7e71cd;
$custom-dark: #000000;

JSON

{
  "hex": "#333ab6",
  "rgb": {
    "r": 51,
    "g": 58,
    "b": 182
  },
  "hsl": {
    "h": 236.794,
    "s": 56.223,
    "l": 45.686
  },
  "oklch": {
    "l": 0.4302,
    "c": 0.19148,
    "h": 272.6
  },
  "luminance": 0.07107
}

Semantic roles & 50–950 ramp

primary

#333AB6

secondary

#C7C37E

accent

#D748E0

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0714

muted

#7C7A82

Preview Lab

Preview with #333AB6

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

Preview Lab → · Contrast checker → · Palette generator →