#3630BF#3630BF

#3630BF is a dark, highly saturated blue. Relative luminance 0.067; OKLCH L 42.6% C 0.212 H 274.4°. Best body text is #FFFFFF at 9.01:1 contrast (WCAG AA passes).

Color values

HEX	#3630BF
RGB	rgb(54, 48, 191)
HSL	hsl(243, 60%, 47%)
HSV	hsv(243, 75%, 75%)
CMYK	cmyk(71.7%, 74.9%, 0%, 25.1%)
CIE-LAB	lab(31.02, 48.03, -73.17)
CIE-LCH	lch(31.02, 87.52, 303.28°)
OKLab	oklab(42.6% 0.0163 -0.2116)
OKLCH	oklch(42.6% 0.212 274.4)
XYZ	xyz(11.9791, 6.6586, 49.9340)
Luminance	0.0666 (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

#3630BF #B9BF30

analogous

#3072BF #3630BF #7D30BF

triadic

#3630BF #BF3630 #30BF36

tetradic

#3630BF #BF3072 #B9BF30 #30BF7D

square

#3630BF #BF3072 #B9BF30 #30BF7D

split-complementary

#3630BF #BF7D30 #72BF30

monochromatic

#1A175D #28248E #3630BF #5D57D5 #8C88E1

Accessibility & contrast

On white

9.01

#3630BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#3630BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3630BF

9.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3630BF	#FFFFFF	#000000	##FFFFFF
##3630BF	1.00	9.01	2.33	9.01
#FFFFFF	9.01	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FC3

Deuteranopia (green-blind)

#0042BC

Tritanopia (blue-blind)

#005A75

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3630bf;
/* rgb */ color: rgb(54, 48, 191);
/* oklch */ color: oklch(42.6% 0.212 274.4);

Tailwind

colors: {
  custom: {
    50: '#826bd4',
    500: '#3630bf',
    950: '#000000',
  },
}

SCSS

$custom: #3630bf;
$custom-light: #826bd4;
$custom-dark: #000000;

JSON

{
  "hex": "#3630bf",
  "rgb": {
    "r": 54,
    "g": 48,
    "b": 191
  },
  "hsl": {
    "h": 242.517,
    "s": 59.833,
    "l": 46.863
  },
  "oklch": {
    "l": 0.42597,
    "c": 0.21225,
    "h": 274.4
  },
  "luminance": 0.0666
}

Semantic roles & 50–950 ramp

primary

#3630BF

secondary

#C8CB80

accent

#E345DC

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3630BF

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

Preview Lab → · Contrast checker → · Palette generator →