#3630BE#3630BE

#3630BE is a dark, highly saturated blue. Relative luminance 0.066; OKLCH L 42.5% C 0.211 H 274.5°. Best body text is #FFFFFF at 9.04:1 contrast (WCAG AA passes).

Color values

HEX	#3630BE
RGB	rgb(54, 48, 190)
HSL	hsl(243, 60%, 47%)
HSV	hsv(243, 75%, 75%)
CMYK	cmyk(71.6%, 74.7%, 0%, 25.5%)
CIE-LAB	lab(30.91, 47.71, -72.75)
CIE-LCH	lch(30.91, 87.00, 303.26°)
OKLab	oklab(42.49% 0.0165 -0.2104)
OKLCH	oklch(42.49% 0.211 274.5)
XYZ	xyz(11.8695, 6.6147, 49.3565)
Luminance	0.0662 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 4.47

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3630BE #B8BE30

analogous

#3071BE #3630BE #7D30BE

triadic

#3630BE #BE3630 #30BE36

tetradic

#3630BE #BE3071 #B8BE30 #30BE7D

square

#3630BE #BE3071 #B8BE30 #30BE7D

split-complementary

#3630BE #BE7D30 #71BE30

monochromatic

#1A175C #28248D #3630BE #5C57D4 #8B88E1

Accessibility & contrast

On white

9.04

#3630BE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#3630BE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3630BE

9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3630BE	#FFFFFF	#000000	##FFFFFF
##3630BE	1.00	9.04	2.32	9.04
#FFFFFF	9.04	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FC2

Deuteranopia (green-blind)

#0042BB

Tritanopia (blue-blind)

#005975

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3630be;
/* rgb */ color: rgb(54, 48, 190);
/* oklch */ color: oklch(42.5% 0.211 274.5);

Tailwind

colors: {
  custom: {
    50: '#826bd3',
    500: '#3630be',
    950: '#000000',
  },
}

SCSS

$custom: #3630be;
$custom-light: #826bd3;
$custom-dark: #000000;

JSON

{
  "hex": "#3630be",
  "rgb": {
    "r": 54,
    "g": 48,
    "b": 190
  },
  "hsl": {
    "h": 242.535,
    "s": 59.664,
    "l": 46.667
  },
  "oklch": {
    "l": 0.42493,
    "c": 0.21105,
    "h": 274.5
  },
  "luminance": 0.06616
}

Semantic roles & 50–950 ramp

primary

#3630BE

secondary

#C7CB7F

accent

#E345DC

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3630BE

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

Preview Lab → · Contrast checker → · Palette generator →