#3630BC#3630BC

#3630BC is a dark, highly saturated blue. Relative luminance 0.065; OKLCH L 42.3% C 0.209 H 274.7°. Best body text is #FFFFFF at 9.11:1 contrast (WCAG AA passes).

Color values

HEX	#3630BC
RGB	rgb(54, 48, 188)
HSL	hsl(243, 59%, 46%)
HSV	hsv(243, 74%, 74%)
CMYK	cmyk(71.3%, 74.5%, 0%, 26.3%)
CIE-LAB	lab(30.71, 47.06, -71.91)
CIE-LCH	lch(30.71, 85.94, 303.20°)
OKLab	oklab(42.29% 0.0169 -0.208)
OKLCH	oklch(42.29% 0.209 274.7)
XYZ	xyz(11.6524, 6.5279, 48.2131)
Luminance	0.0653 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 4.31

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3630BC #B6BC30

analogous

#3070BC #3630BC #7C30BC

triadic

#3630BC #BC3630 #30BC36

tetradic

#3630BC #BC3070 #B6BC30 #30BC7C

square

#3630BC #BC3070 #B6BC30 #30BC7C

split-complementary

#3630BC #BC7C30 #70BC30

monochromatic

#1A175A #28248B #3630BC #5B55D4 #8A86E0

Accessibility & contrast

On white

9.11

#3630BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#3630BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3630BC

9.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3630BC	#FFFFFF	#000000	##FFFFFF
##3630BC	1.00	9.11	2.31	9.11
#FFFFFF	9.11	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FC0

Deuteranopia (green-blind)

#0042B9

Tritanopia (blue-blind)

#005974

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3630bc;
/* rgb */ color: rgb(54, 48, 188);
/* oklch */ color: oklch(42.3% 0.209 274.7);

Tailwind

colors: {
  custom: {
    50: '#816ad1',
    500: '#3630bc',
    950: '#000000',
  },
}

SCSS

$custom: #3630bc;
$custom-light: #816ad1;
$custom-dark: #000000;

JSON

{
  "hex": "#3630bc",
  "rgb": {
    "r": 54,
    "g": 48,
    "b": 188
  },
  "hsl": {
    "h": 242.571,
    "s": 59.322,
    "l": 46.275
  },
  "oklch": {
    "l": 0.42286,
    "c": 0.20865,
    "h": 274.7
  },
  "luminance": 0.06529
}

Semantic roles & 50–950 ramp

primary

#3630BC

secondary

#C6CA7E

accent

#E345DC

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3630BC

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

Preview Lab → · Contrast checker → · Palette generator →