#3436B1#3436B1

#3436B1 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.9% C 0.189 H 273.9°. Best body text is #FFFFFF at 9.10:1 contrast (WCAG AA passes).

Color values

HEX	#3436B1
RGB	rgb(52, 54, 177)
HSL	hsl(239, 55%, 45%)
HSV	hsv(239, 71%, 69%)
CMYK	cmyk(70.6%, 69.5%, 0%, 30.6%)
CIE-LAB	lab(30.74, 39.72, -65.33)
CIE-LCH	lch(30.74, 76.46, 301.30°)
OKLab	oklab(41.95% 0.0129 -0.1888)
OKLCH	oklch(41.95% 0.189 273.9)
XYZ	xyz(10.6685, 6.5417, 42.2869)
Luminance	0.0654 (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

#3436B1 #B1AF34

analogous

#3475B1 #3436B1 #7134B1

triadic

#3436B1 #B13436 #36B134

tetradic

#3436B1 #B13475 #B1AF34 #34B171

square

#3436B1 #B13475 #B1AF34 #34B171

split-complementary

#3436B1 #B17134 #75B134

monochromatic

#181952 #262882 #3436B1 #5557CD #8486DB

Accessibility & contrast

On white

9.10

#3436B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#3436B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3436B1

9.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3436B1	#FFFFFF	#000000	##FFFFFF
##3436B1	1.00	9.10	2.31	9.10
#FFFFFF	9.10	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EB5

Deuteranopia (green-blind)

#0042AF

Tritanopia (blue-blind)

#00586F

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3436b1;
/* rgb */ color: rgb(52, 54, 177);
/* oklch */ color: oklch(41.9% 0.189 273.9);

Tailwind

colors: {
  custom: {
    50: '#7d6ec9',
    500: '#3436b1',
    950: '#000000',
  },
}

SCSS

$custom: #3436b1;
$custom-light: #7d6ec9;
$custom-dark: #000000;

JSON

{
  "hex": "#3436b1",
  "rgb": {
    "r": 52,
    "g": 54,
    "b": 177
  },
  "hsl": {
    "h": 239.04,
    "s": 54.585,
    "l": 44.902
  },
  "oklch": {
    "l": 0.41948,
    "c": 0.18928,
    "h": 273.9
  },
  "luminance": 0.06543
}

Semantic roles & 50–950 ramp

primary

#3436B1

secondary

#C5C37C

accent

#DC4ADE

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3436B1

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

Preview Lab → · Contrast checker → · Palette generator →