#3723A6#3723A6

#3723A6 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 38.3% C 0.194 H 278.9°. Best body text is #FFFFFF at 10.75:1 contrast (WCAG AA passes).

Color values

HEX	#3723A6
RGB	rgb(55, 35, 166)
HSL	hsl(249, 65%, 39%)
HSV	hsv(249, 79%, 65%)
CMYK	cmyk(66.9%, 78.9%, 0%, 34.9%)
CIE-LAB	lab(26.06, 47.09, -66.43)
CIE-LCH	lch(26.06, 81.43, 305.33°)
OKLab	oklab(38.35% 0.0302 -0.1918)
OKLCH	oklch(38.35% 0.194 278.9)
XYZ	xyz(9.0573, 4.7667, 36.5118)
Luminance	0.0477 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3723A6 #92A623

analogous

#2351A6 #3723A6 #7923A6

triadic

#3723A6 #A63723 #23A637

tetradic

#3723A6 #A62351 #92A623 #23A679

square

#3723A6 #A62351 #92A623 #23A679

split-complementary

#3723A6 #A67923 #51A623

monochromatic

#160E41 #261873 #3723A6 #4B32D4 #7765DF

Accessibility & contrast

On white

10.75

#3723A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#3723A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3723A6

10.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3723A6	#FFFFFF	#000000	##FFFFFF
##3723A6	1.00	10.75	1.95	10.75
#FFFFFF	10.75	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043AA

Deuteranopia (green-blind)

#0038A4

Tritanopia (blue-blind)

#004A64

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #3723a6;
/* rgb */ color: rgb(55, 35, 166);
/* oklch */ color: oklch(38.3% 0.194 278.9);

Tailwind

colors: {
  custom: {
    50: '#7e62c2',
    500: '#3723a6',
    950: '#000000',
  },
}

SCSS

$custom: #3723a6;
$custom-light: #7e62c2;
$custom-dark: #000000;

JSON

{
  "hex": "#3723a6",
  "rgb": {
    "r": 55,
    "g": 35,
    "b": 166
  },
  "hsl": {
    "h": 249.16,
    "s": 65.174,
    "l": 39.412
  },
  "oklch": {
    "l": 0.38349,
    "c": 0.19421,
    "h": 278.9
  },
  "luminance": 0.04767
}

Semantic roles & 50–950 ramp

primary

#3723A6

secondary

#B5C461

accent

#E840CE

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #3723A6

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

Preview Lab → · Contrast checker → · Palette generator →