#3433B1#3433B1

#3433B1 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.5% C 0.193 H 274.4°. Best body text is #FFFFFF at 9.32:1 contrast (WCAG AA passes).

Color values

HEX	#3433B1
RGB	rgb(52, 51, 177)
HSL	hsl(240, 55%, 45%)
HSV	hsv(240, 71%, 69%)
CMYK	cmyk(70.6%, 71.2%, 0%, 30.6%)
CIE-LAB	lab(30.09, 41.52, -66.41)
CIE-LCH	lch(30.09, 78.32, 302.01°)
OKLab	oklab(41.48% 0.0148 -0.192)
OKLCH	oklch(41.48% 0.193 274.4)
XYZ	xyz(10.5332, 6.2710, 42.2418)
Luminance	0.0627 (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

#3433B1 #B0B133

analogous

#3371B1 #3433B1 #7333B1

triadic

#3433B1 #B13433 #33B134

tetradic

#3433B1 #B13371 #B0B133 #33B173

square

#3433B1 #B13371 #B0B133 #33B173

split-complementary

#3433B1 #B17333 #71B133

monochromatic

#181852 #262581 #3433B1 #5554CE #8483DB

Accessibility & contrast

On white

9.32

#3433B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#3433B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3433B1

9.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3433B1	#FFFFFF	#000000	##FFFFFF
##3433B1	1.00	9.32	2.25	9.32
#FFFFFF	9.32	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DB5

Deuteranopia (green-blind)

#0041AF

Tritanopia (blue-blind)

#00566E

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3433b1;
/* rgb */ color: rgb(52, 51, 177);
/* oklch */ color: oklch(41.5% 0.193 274.4);

Tailwind

colors: {
  custom: {
    50: '#7e6cc9',
    500: '#3433b1',
    950: '#000000',
  },
}

SCSS

$custom: #3433b1;
$custom-light: #7e6cc9;
$custom-dark: #000000;

JSON

{
  "hex": "#3433b1",
  "rgb": {
    "r": 52,
    "g": 51,
    "b": 177
  },
  "hsl": {
    "h": 240.476,
    "s": 55.263,
    "l": 44.706
  },
  "oklch": {
    "l": 0.41479,
    "c": 0.19255,
    "h": 274.4
  },
  "luminance": 0.06272
}

Semantic roles & 50–950 ramp

primary

#3433B1

secondary

#C4C57B

accent

#DF49DD

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3433B1

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

Preview Lab → · Contrast checker → · Palette generator →