#333AC5#333AC5

#333AC5 is a dark, highly saturated blue. Relative luminance 0.078; OKLCH L 44.5% C 0.210 H 271.9°. Best body text is #FFFFFF at 8.23:1 contrast (WCAG AA passes).

Color values

HEX	#333AC5
RGB	rgb(51, 58, 197)
HSL	hsl(237, 59%, 49%)
HSV	hsv(237, 74%, 77%)
CMYK	cmyk(74.1%, 70.6%, 0%, 22.7%)
CIE-LAB	lab(33.48, 44.04, -72.64)
CIE-LCH	lch(33.48, 84.95, 301.23°)
OKLab	oklab(44.48% 0.0069 -0.2102)
OKLCH	oklch(44.48% 0.21 271.9)
XYZ	xyz(12.9529, 7.7598, 53.6276)
Luminance	0.0776 (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

#333AC5 #C5BE33

analogous

#3383C5 #333AC5 #7533C5

triadic

#333AC5 #C5333A #3AC533

tetradic

#333AC5 #C53383 #C5BE33 #33C575

square

#333AC5 #C53383 #C5BE33 #33C575

split-complementary

#333AC5 #C57533 #83C533

monochromatic

#1A1D64 #262C94 #333AC5 #5F65D6 #9094E2

Accessibility & contrast

On white

8.23

#333AC5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#333AC5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333AC5

8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333AC5	#FFFFFF	#000000	##FFFFFF
##333AC5	1.00	8.23	2.55	8.23
#FFFFFF	8.23	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056C9

Deuteranopia (green-blind)

#0048C2

Tritanopia (blue-blind)

#00617B

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #333ac5;
/* rgb */ color: rgb(51, 58, 197);
/* oklch */ color: oklch(44.5% 0.210 271.9);

Tailwind

colors: {
  custom: {
    50: '#8171d8',
    500: '#333ac5',
    950: '#000000',
  },
}

SCSS

$custom: #333ac5;
$custom-light: #8171d8;
$custom-dark: #000000;

JSON

{
  "hex": "#333ac5",
  "rgb": {
    "r": 51,
    "g": 58,
    "b": 197
  },
  "hsl": {
    "h": 237.123,
    "s": 58.871,
    "l": 48.627
  },
  "oklch": {
    "l": 0.44484,
    "c": 0.21031,
    "h": 271.9
  },
  "luminance": 0.07761
}

Semantic roles & 50–950 ramp

primary

#333AC5

secondary

#CDCA87

accent

#DB46E2

background

#F8F6FD

surface

#F0ECFB

border

#CBC7D4

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #333AC5

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

Preview Lab → · Contrast checker → · Palette generator →