#3630B2#3630B2

#3630B2 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 41.3% C 0.196 H 275.5°. Best body text is #FFFFFF at 9.45:1 contrast (WCAG AA passes).

Color values

HEX	#3630B2
RGB	rgb(54, 48, 178)
HSL	hsl(243, 58%, 44%)
HSV	hsv(243, 73%, 70%)
CMYK	cmyk(69.7%, 73%, 0%, 30.2%)
CIE-LAB	lab(29.69, 43.81, -67.65)
CIE-LCH	lch(29.69, 80.60, 302.93°)
OKLab	oklab(41.26% 0.0188 -0.1955)
OKLCH	oklch(41.26% 0.196 275.5)
XYZ	xyz(10.6115, 6.1115, 42.7313)
Luminance	0.0611 (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

#3630B2 #ACB230

analogous

#306BB2 #3630B2 #7730B2

triadic

#3630B2 #B23630 #30B236

tetradic

#3630B2 #B2306B #ACB230 #30B277

square

#3630B2 #B2306B #ACB230 #30B277

split-complementary

#3630B2 #B27730 #6BB230

monochromatic

#191652 #272382 #3630B2 #5550D0 #8480DD

Accessibility & contrast

On white

9.45

#3630B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#3630B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3630B2

9.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3630B2	#FFFFFF	#000000	##FFFFFF
##3630B2	1.00	9.45	2.22	9.45
#FFFFFF	9.45	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CB6

Deuteranopia (green-blind)

#0040B0

Tritanopia (blue-blind)

#00556E

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3630b2;
/* rgb */ color: rgb(54, 48, 178);
/* oklch */ color: oklch(41.3% 0.196 275.5);

Tailwind

colors: {
  custom: {
    50: '#7f6aca',
    500: '#3630b2',
    950: '#000000',
  },
}

SCSS

$custom: #3630b2;
$custom-light: #7f6aca;
$custom-dark: #000000;

JSON

{
  "hex": "#3630b2",
  "rgb": {
    "r": 54,
    "g": 48,
    "b": 178
  },
  "hsl": {
    "h": 242.769,
    "s": 57.522,
    "l": 44.314
  },
  "oklch": {
    "l": 0.41262,
    "c": 0.19645,
    "h": 275.5
  },
  "luminance": 0.06113
}

Semantic roles & 50–950 ramp

primary

#3630B2

secondary

#C2C678

accent

#E147DA

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3630B2

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

Preview Lab → · Contrast checker → · Palette generator →