#333BB6#333BB6

#333BB6 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 43.2% C 0.190 H 272.4°. Best body text is #FFFFFF at 8.60:1 contrast (WCAG AA passes).

Color values

HEX	#333BB6
RGB	rgb(51, 59, 182)
HSL	hsl(236, 56%, 46%)
HSV	hsv(236, 72%, 71%)
CMYK	cmyk(72%, 67.6%, 0%, 28.6%)
CIE-LAB	lab(32.28, 38.28, -65.78)
CIE-LCH	lch(32.28, 76.11, 300.19°)
OKLab	oklab(43.19% 0.0081 -0.1902)
OKLCH	oklch(43.19% 0.19 272.4)
XYZ	xyz(11.3699, 7.2080, 45.0390)
Luminance	0.0721 (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

#333BB6 #B6AE33

analogous

#337CB6 #333BB6 #6C33B6

triadic

#333BB6 #B6333B #3BB633

tetradic

#333BB6 #B6337C #B6AE33 #33B66C

square

#333BB6 #B6337C #B6AE33 #33B66C

split-complementary

#333BB6 #B66C33 #7CB633

monochromatic

#181C56 #262C86 #333BB6 #565ED0 #868CDD

Accessibility & contrast

On white

8.60

#333BB6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#333BB6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333BB6

8.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333BB6	#FFFFFF	#000000	##FFFFFF
##333BB6	1.00	8.60	2.44	8.60
#FFFFFF	8.60	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052BA

Deuteranopia (green-blind)

#0046B4

Tritanopia (blue-blind)

#005C73

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #333bb6;
/* rgb */ color: rgb(51, 59, 182);
/* oklch */ color: oklch(43.2% 0.190 272.4);

Tailwind

colors: {
  custom: {
    50: '#7e71cd',
    500: '#333bb6',
    950: '#000000',
  },
}

SCSS

$custom: #333bb6;
$custom-light: #7e71cd;
$custom-dark: #000000;

JSON

{
  "hex": "#333bb6",
  "rgb": {
    "r": 51,
    "g": 59,
    "b": 182
  },
  "hsl": {
    "h": 236.336,
    "s": 56.223,
    "l": 45.686
  },
  "oklch": {
    "l": 0.43185,
    "c": 0.19035,
    "h": 272.4
  },
  "luminance": 0.07209
}

Semantic roles & 50–950 ramp

primary

#333BB6

secondary

#C7C27E

accent

#D648E0

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #333BB6

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

Preview Lab → · Contrast checker → · Palette generator →