#333AC4#333AC4

#333AC4 is a dark, highly saturated blue. Relative luminance 0.077; OKLCH L 44.4% C 0.209 H 271.9°. Best body text is #FFFFFF at 8.26:1 contrast (WCAG AA passes).

Color values

HEX	#333AC4
RGB	rgb(51, 58, 196)
HSL	hsl(237, 59%, 48%)
HSV	hsv(237, 74%, 77%)
CMYK	cmyk(74%, 70.4%, 0%, 23.1%)
CIE-LAB	lab(33.38, 43.70, -72.21)
CIE-LCH	lch(33.38, 84.41, 301.18°)
OKLab	oklab(44.39% 0.007 -0.209)
OKLCH	oklch(44.39% 0.209 271.9)
XYZ	xyz(12.8387, 7.7141, 53.0262)
Luminance	0.0771 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 2.85

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333AC4 #C4BD33

analogous

#3383C4 #333AC4 #7433C4

triadic

#333AC4 #C4333A #3AC433

tetradic

#333AC4 #C43383 #C4BD33 #33C474

square

#333AC4 #C43383 #C4BD33 #33C474

split-complementary

#333AC4 #C47433 #83C433

monochromatic

#1A1D63 #262C93 #333AC4 #5F65D5 #8F93E2

Accessibility & contrast

On white

8.26

#333AC4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#333AC4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333AC4

8.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333AC4	#FFFFFF	#000000	##FFFFFF
##333AC4	1.00	8.26	2.54	8.26
#FFFFFF	8.26	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C8

Deuteranopia (green-blind)

#0047C1

Tritanopia (blue-blind)

#00617B

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #333ac4;
/* rgb */ color: rgb(51, 58, 196);
/* oklch */ color: oklch(44.4% 0.209 271.9);

Tailwind

colors: {
  custom: {
    50: '#8171d7',
    500: '#333ac4',
    950: '#000000',
  },
}

SCSS

$custom: #333ac4;
$custom-light: #8171d7;
$custom-dark: #000000;

JSON

{
  "hex": "#333ac4",
  "rgb": {
    "r": 51,
    "g": 58,
    "b": 196
  },
  "hsl": {
    "h": 237.103,
    "s": 58.704,
    "l": 48.431
  },
  "oklch": {
    "l": 0.44385,
    "c": 0.20908,
    "h": 271.9
  },
  "luminance": 0.07715
}

Semantic roles & 50–950 ramp

primary

#333AC4

secondary

#CDC986

accent

#DA46E2

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #333AC4

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

Preview Lab → · Contrast checker → · Palette generator →