#3634BC#3634BC

#3634BC is a dark, highly saturated blue. Relative luminance 0.069; OKLCH L 42.9% C 0.205 H 274.2°. Best body text is #FFFFFF at 8.85:1 contrast (WCAG AA passes).

Color values

HEX	#3634BC
RGB	rgb(54, 52, 188)
HSL	hsl(241, 57%, 47%)
HSV	hsv(241, 72%, 74%)
CMYK	cmyk(71.3%, 72.3%, 0%, 26.3%)
CIE-LAB	lab(31.51, 44.82, -70.59)
CIE-LCH	lch(31.51, 83.61, 302.41°)
OKLab	oklab(42.86% 0.0148 -0.2041)
OKLCH	oklch(42.86% 0.205 274.2)
XYZ	xyz(11.8234, 6.8699, 48.2701)
Luminance	0.0687 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 3.79

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3634BC #BABC34

analogous

#3476BC #3634BC #7A34BC

triadic

#3634BC #BC3634 #34BC36

tetradic

#3634BC #BC3476 #BABC34 #34BC7A

square

#3634BC #BC3476 #BABC34 #34BC7A

split-complementary

#3634BC #BC7A34 #76BC34

monochromatic

#1A195C #28278C #3634BC #5D5BD2 #8D8BDF

Accessibility & contrast

On white

8.85

#3634BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#3634BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3634BC

8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3634BC	#FFFFFF	#000000	##FFFFFF
##3634BC	1.00	8.85	2.37	8.85
#FFFFFF	8.85	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050C0

Deuteranopia (green-blind)

#0044BA

Tritanopia (blue-blind)

#005A75

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3634bc;
/* rgb */ color: rgb(54, 52, 188);
/* oklch */ color: oklch(42.9% 0.205 274.2);

Tailwind

colors: {
  custom: {
    50: '#816dd1',
    500: '#3634bc',
    950: '#000000',
  },
}

SCSS

$custom: #3634bc;
$custom-light: #816dd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3634bc",
  "rgb": {
    "r": 54,
    "g": 52,
    "b": 188
  },
  "hsl": {
    "h": 240.882,
    "s": 56.667,
    "l": 47.059
  },
  "oklch": {
    "l": 0.42856,
    "c": 0.20467,
    "h": 274.2
  },
  "luminance": 0.06871
}

Semantic roles & 50–950 ramp

primary

#3634BC

secondary

#C8C983

accent

#E048DE

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3634BC

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

Preview Lab → · Contrast checker → · Palette generator →