#3630B7#3630B7

#3630B7 is a dark, highly saturated blue. Relative luminance 0.063; OKLCH L 41.8% C 0.203 H 275.1°. Best body text is #FFFFFF at 9.28:1 contrast (WCAG AA passes).

Color values

HEX	#3630B7
RGB	rgb(54, 48, 183)
HSL	hsl(243, 58%, 45%)
HSV	hsv(243, 74%, 72%)
CMYK	cmyk(70.5%, 73.8%, 0%, 28.2%)
CIE-LAB	lab(30.20, 45.44, -69.79)
CIE-LCH	lch(30.20, 83.28, 303.07°)
OKLab	oklab(41.77% 0.0179 -0.2018)
OKLCH	oklch(41.77% 0.203 275.1)
XYZ	xyz(11.1227, 6.3160, 45.4235)
Luminance	0.0632 (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

#3630B7 #B1B730

analogous

#306DB7 #3630B7 #7A30B7

triadic

#3630B7 #B73630 #30B736

tetradic

#3630B7 #B7306D #B1B730 #30B77A

square

#3630B7 #B7306D #B1B730 #30B77A

split-complementary

#3630B7 #B77A30 #6DB730

monochromatic

#191756 #282387 #3630B7 #5852D2 #8783DE

Accessibility & contrast

On white

9.28

#3630B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#3630B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3630B7

9.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3630B7	#FFFFFF	#000000	##FFFFFF
##3630B7	1.00	9.28	2.26	9.28
#FFFFFF	9.28	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DBB

Deuteranopia (green-blind)

#0041B5

Tritanopia (blue-blind)

#005771

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3630b7;
/* rgb */ color: rgb(54, 48, 183);
/* oklch */ color: oklch(41.8% 0.203 275.1);

Tailwind

colors: {
  custom: {
    50: '#806ace',
    500: '#3630b7',
    950: '#000000',
  },
}

SCSS

$custom: #3630b7;
$custom-light: #806ace;
$custom-dark: #000000;

JSON

{
  "hex": "#3630b7",
  "rgb": {
    "r": 54,
    "g": 48,
    "b": 183
  },
  "hsl": {
    "h": 242.667,
    "s": 58.442,
    "l": 45.294
  },
  "oklch": {
    "l": 0.41771,
    "c": 0.20258,
    "h": 275.1
  },
  "luminance": 0.06317
}

Semantic roles & 50–950 ramp

primary

#3630B7

secondary

#C4C87B

accent

#E246DB

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3630B7

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

Preview Lab → · Contrast checker → · Palette generator →