#3633A6#3633A6

#3633A6 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.5% C 0.178 H 276.1°. Best body text is #FFFFFF at 9.63:1 contrast (WCAG AA passes).

Color values

HEX	#3633A6
RGB	rgb(54, 51, 166)
HSL	hsl(242, 53%, 43%)
HSV	hsv(242, 69%, 65%)
CMYK	cmyk(67.5%, 69.3%, 0%, 34.9%)
CIE-LAB	lab(29.17, 38.04, -61.31)
CIE-LCH	lch(29.17, 72.15, 301.82°)
OKLab	oklab(40.54% 0.0189 -0.177)
OKLCH	oklch(40.54% 0.178 276.1)
XYZ	xyz(9.5858, 5.9043, 36.7035)
Luminance	0.0590 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3633A6 #A3A633

analogous

#336AA6 #3633A6 #6F33A6

triadic

#3633A6 #A63633 #33A636

tetradic

#3633A6 #A6336A #A3A633 #33A66F

square

#3633A6 #A6336A #A3A633 #33A66F

split-complementary

#3633A6 #A66F33 #6AA633

monochromatic

#181648 #272577 #3633A6 #514EC9 #7F7CD7

Accessibility & contrast

On white

9.63

#3633A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#3633A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3633A6

9.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3633A6	#FFFFFF	#000000	##FFFFFF
##3633A6	1.00	9.63	2.18	9.63
#FFFFFF	9.63	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AAA

Deuteranopia (green-blind)

#0040A4

Tritanopia (blue-blind)

#005268

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #3633a6;
/* rgb */ color: rgb(54, 51, 166);
/* oklch */ color: oklch(40.5% 0.178 276.1);

Tailwind

colors: {
  custom: {
    50: '#7c6bc1',
    500: '#3633a6',
    950: '#000000',
  },
}

SCSS

$custom: #3633a6;
$custom-light: #7c6bc1;
$custom-dark: #000000;

JSON

{
  "hex": "#3633a6",
  "rgb": {
    "r": 54,
    "g": 51,
    "b": 166
  },
  "hsl": {
    "h": 241.565,
    "s": 52.995,
    "l": 42.549
  },
  "oklch": {
    "l": 0.40536,
    "c": 0.17804,
    "h": 276.1
  },
  "luminance": 0.05905
}

Semantic roles & 50–950 ramp

primary

#3633A6

secondary

#BEC075

accent

#DC4BD9

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0712

muted

#7C7A81

Preview Lab

Preview with #3633A6

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

Preview Lab → · Contrast checker → · Palette generator →