#3639A2#3639A2

#3639A2 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.2% C 0.166 H 275.1°. Best body text is #FFFFFF at 9.28:1 contrast (WCAG AA passes).

Color values

HEX	#3639A2
RGB	rgb(54, 57, 162)
HSL	hsl(238, 50%, 42%)
HSV	hsv(238, 67%, 64%)
CMYK	cmyk(66.7%, 64.8%, 0%, 36.5%)
CIE-LAB	lab(30.20, 32.93, -57.21)
CIE-LCH	lch(30.20, 66.01, 299.92°)
OKLab	oklab(41.18% 0.0148 -0.165)
OKLCH	oklch(41.18% 0.166 275.1)
XYZ	xyz(9.5039, 6.3183, 34.8941)
Luminance	0.0632 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.67

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3639A2 #A29F36

analogous

#366FA2 #3639A2 #6936A2

triadic

#3639A2 #A23639 #39A236

tetradic

#3639A2 #A2366F #A29F36 #36A269

square

#3639A2 #A2366F #A29F36 #36A269

split-complementary

#3639A2 #A26936 #6FA236

monochromatic

#171946 #272974 #3639A2 #5054C5 #7E81D4

Accessibility & contrast

On white

9.28

#3639A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#3639A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3639A2

9.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3639A2	#FFFFFF	#000000	##FFFFFF
##3639A2	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)

#004CA5

Deuteranopia (green-blind)

#0042A0

Tritanopia (blue-blind)

#005468

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3639a2;
/* rgb */ color: rgb(54, 57, 162);
/* oklch */ color: oklch(41.2% 0.166 275.1);

Tailwind

colors: {
  custom: {
    50: '#7b6fbe',
    500: '#3639a2',
    950: '#000000',
  },
}

SCSS

$custom: #3639a2;
$custom-light: #7b6fbe;
$custom-dark: #000000;

JSON

{
  "hex": "#3639a2",
  "rgb": {
    "r": 54,
    "g": 57,
    "b": 162
  },
  "hsl": {
    "h": 238.333,
    "s": 50,
    "l": 42.353
  },
  "oklch": {
    "l": 0.41175,
    "c": 0.16565,
    "h": 275.1
  },
  "luminance": 0.06319
}

Semantic roles & 50–950 ramp

primary

#3639A2

secondary

#BDBB77

accent

#D64EDA

background

#F8F6FB

surface

#EFECF7

border

#CAC7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #3639A2

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

Preview Lab → · Contrast checker → · Palette generator →