#3637A2#3637A2

#3637A2 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.8% C 0.168 H 275.6°. Best body text is #FFFFFF at 9.44:1 contrast (WCAG AA passes).

Color values

HEX	#3637A2
RGB	rgb(54, 55, 162)
HSL	hsl(239, 50%, 42%)
HSV	hsv(239, 67%, 64%)
CMYK	cmyk(66.7%, 66%, 0%, 36.5%)
CIE-LAB	lab(29.72, 34.19, -57.99)
CIE-LCH	lch(29.72, 67.32, 300.53°)
OKLab	oklab(40.83% 0.0164 -0.1673)
OKLCH	oklch(40.83% 0.168 275.6)
XYZ	xyz(9.4070, 6.1245, 34.8618)
Luminance	0.0612 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.66

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3637A2 #A2A136

analogous

#366DA2 #3637A2 #6B36A2

triadic

#3637A2 #A23637 #37A236

tetradic

#3637A2 #A2366D #A2A136 #36A26B

square

#3637A2 #A2366D #A2A136 #36A26B

split-complementary

#3637A2 #A26B36 #6DA236

monochromatic

#171846 #272774 #3637A2 #5051C5 #7E7FD4

Accessibility & contrast

On white

9.44

#3637A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#3637A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3637A2

9.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3637A2	#FFFFFF	#000000	##FFFFFF
##3637A2	1.00	9.44	2.23	9.44
#FFFFFF	9.44	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA5

Deuteranopia (green-blind)

#0041A0

Tritanopia (blue-blind)

#005367

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3637a2;
/* rgb */ color: rgb(54, 55, 162);
/* oklch */ color: oklch(40.8% 0.168 275.6);

Tailwind

colors: {
  custom: {
    50: '#7b6ebe',
    500: '#3637a2',
    950: '#000000',
  },
}

SCSS

$custom: #3637a2;
$custom-light: #7b6ebe;
$custom-dark: #000000;

JSON

{
  "hex": "#3637a2",
  "rgb": {
    "r": 54,
    "g": 55,
    "b": 162
  },
  "hsl": {
    "h": 239.444,
    "s": 50,
    "l": 42.353
  },
  "oklch": {
    "l": 0.40826,
    "c": 0.16809,
    "h": 275.6
  },
  "luminance": 0.06125
}

Semantic roles & 50–950 ramp

primary

#3637A2

secondary

#BDBD77

accent

#D84EDA

background

#F8F6FB

surface

#EFECF7

border

#CAC7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #3637A2

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

Preview Lab → · Contrast checker → · Palette generator →