#333BC4#333BC4

#333BC4 is a dark, highly saturated blue. Relative luminance 0.078; OKLCH L 44.5% C 0.208 H 271.8°. Best body text is #FFFFFF at 8.19:1 contrast (WCAG AA passes).

Color values

HEX	#333BC4
RGB	rgb(51, 59, 196)
HSL	hsl(237, 59%, 48%)
HSV	hsv(237, 74%, 77%)
CMYK	cmyk(74%, 69.9%, 0%, 23.1%)
CIE-LAB	lab(33.60, 43.11, -71.86)
CIE-LCH	lch(33.60, 83.80, 300.96°)
OKLab	oklab(44.54% 0.0065 -0.2079)
OKLCH	oklch(44.54% 0.208 271.8)
XYZ	xyz(12.8896, 7.8159, 53.0432)
Luminance	0.0782 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 2.62

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333BC4 #C4BC33

analogous

#3383C4 #333BC4 #7433C4

triadic

#333BC4 #C4333B #3BC433

tetradic

#333BC4 #C43383 #C4BC33 #33C474

square

#333BC4 #C43383 #C4BC33 #33C474

split-complementary

#333BC4 #C47433 #83C433

monochromatic

#1A1E63 #262C93 #333BC4 #5F65D5 #8F94E2

Accessibility & contrast

On white

8.19

#333BC4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#333BC4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333BC4

8.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333BC4	#FFFFFF	#000000	##FFFFFF
##333BC4	1.00	8.19	2.56	8.19
#FFFFFF	8.19	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056C8

Deuteranopia (green-blind)

#0048C1

Tritanopia (blue-blind)

#00617B

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #333bc4;
/* rgb */ color: rgb(51, 59, 196);
/* oklch */ color: oklch(44.5% 0.208 271.8);

Tailwind

colors: {
  custom: {
    50: '#8172d7',
    500: '#333bc4',
    950: '#000000',
  },
}

SCSS

$custom: #333bc4;
$custom-light: #8172d7;
$custom-dark: #000000;

JSON

{
  "hex": "#333bc4",
  "rgb": {
    "r": 51,
    "g": 59,
    "b": 196
  },
  "hsl": {
    "h": 236.69,
    "s": 58.704,
    "l": 48.431
  },
  "oklch": {
    "l": 0.4454,
    "c": 0.20802,
    "h": 271.8
  },
  "luminance": 0.07817
}

Semantic roles & 50–950 ramp

primary

#333BC4

secondary

#CDC986

accent

#D946E2

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #333BC4

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

Preview Lab → · Contrast checker → · Palette generator →