#3634BA#3634BA

#3634BA is a dark, highly saturated blue. Relative luminance 0.068; OKLCH L 42.7% C 0.202 H 274.3°. Best body text is #FFFFFF at 8.91:1 contrast (WCAG AA passes).

Color values

HEX	#3634BA
RGB	rgb(54, 52, 186)
HSL	hsl(241, 56%, 47%)
HSV	hsv(241, 72%, 73%)
CMYK	cmyk(71%, 72%, 0%, 27.1%)
CIE-LAB	lab(31.31, 44.15, -69.73)
CIE-LCH	lch(31.31, 82.54, 302.34°)
OKLab	oklab(42.66% 0.0152 -0.2016)
OKLCH	oklch(42.66% 0.202 274.3)
XYZ	xyz(11.6093, 6.7843, 47.1425)
Luminance	0.0678 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 3.61

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3634BA #B8BA34

analogous

#3475BA #3634BA #7934BA

triadic

#3634BA #BA3634 #34BA36

tetradic

#3634BA #BA3475 #B8BA34 #34BA79

square

#3634BA #BA3475 #B8BA34 #34BA79

split-complementary

#3634BA #BA7934 #75BA34

monochromatic

#1A195A #28278A #3634BA #5C5AD1 #8B8ADE

Accessibility & contrast

On white

8.91

#3634BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#3634BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3634BA

8.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3634BA	#FFFFFF	#000000	##FFFFFF
##3634BA	1.00	8.91	2.36	8.91
#FFFFFF	8.91	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050BE

Deuteranopia (green-blind)

#0043B8

Tritanopia (blue-blind)

#005A74

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3634ba;
/* rgb */ color: rgb(54, 52, 186);
/* oklch */ color: oklch(42.7% 0.202 274.3);

Tailwind

colors: {
  custom: {
    50: '#806dd0',
    500: '#3634ba',
    950: '#000000',
  },
}

SCSS

$custom: #3634ba;
$custom-light: #806dd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3634ba",
  "rgb": {
    "r": 54,
    "g": 52,
    "b": 186
  },
  "hsl": {
    "h": 240.896,
    "s": 56.303,
    "l": 46.667
  },
  "oklch": {
    "l": 0.42655,
    "c": 0.2022,
    "h": 274.3
  },
  "luminance": 0.06785
}

Semantic roles & 50–950 ramp

primary

#3634BA

secondary

#C7C881

accent

#E048DD

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3634BA

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

Preview Lab → · Contrast checker → · Palette generator →