#3630BA#3630BA

#3630BA is a dark, highly saturated blue. Relative luminance 0.064; OKLCH L 42.1% C 0.206 H 274.8°. Best body text is #FFFFFF at 9.18:1 contrast (WCAG AA passes).

Color values

HEX	#3630BA
RGB	rgb(54, 48, 186)
HSL	hsl(243, 59%, 46%)
HSV	hsv(243, 74%, 73%)
CMYK	cmyk(71%, 74.2%, 0%, 27.1%)
CIE-LAB	lab(30.50, 46.42, -71.07)
CIE-LCH	lch(30.50, 84.88, 303.15°)
OKLab	oklab(42.08% 0.0173 -0.2055)
OKLCH	oklch(42.08% 0.206 274.8)
XYZ	xyz(11.4383, 6.4422, 47.0855)
Luminance	0.0644 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 4.17

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3630BA #B4BA30

analogous

#306FBA #3630BA #7B30BA

triadic

#3630BA #BA3630 #30BA36

tetradic

#3630BA #BA306F #B4BA30 #30BA7B

square

#3630BA #BA306F #B4BA30 #30BA7B

split-complementary

#3630BA #BA7B30 #6FBA30

monochromatic

#1A1759 #282389 #3630BA #5A54D3 #8985DF

Accessibility & contrast

On white

9.18

#3630BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#3630BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3630BA

9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3630BA	#FFFFFF	#000000	##FFFFFF
##3630BA	1.00	9.18	2.29	9.18
#FFFFFF	9.18	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EBE

Deuteranopia (green-blind)

#0041B8

Tritanopia (blue-blind)

#005872

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3630ba;
/* rgb */ color: rgb(54, 48, 186);
/* oklch */ color: oklch(42.1% 0.206 274.8);

Tailwind

colors: {
  custom: {
    50: '#816ad0',
    500: '#3630ba',
    950: '#000000',
  },
}

SCSS

$custom: #3630ba;
$custom-light: #816ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#3630ba",
  "rgb": {
    "r": 54,
    "g": 48,
    "b": 186
  },
  "hsl": {
    "h": 242.609,
    "s": 58.974,
    "l": 45.882
  },
  "oklch": {
    "l": 0.42079,
    "c": 0.20623,
    "h": 274.8
  },
  "luminance": 0.06443
}

Semantic roles & 50–950 ramp

primary

#3630BA

secondary

#C6C97D

accent

#E246DB

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3630BA

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

Preview Lab → · Contrast checker → · Palette generator →