#3734A2#3734A2

#3734A2 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.4% C 0.171 H 276.7°. Best body text is #FFFFFF at 9.65:1 contrast (WCAG AA passes).

Color values

HEX	#3734A2
RGB	rgb(55, 52, 162)
HSL	hsl(242, 51%, 42%)
HSV	hsv(242, 68%, 64%)
CMYK	cmyk(66%, 67.9%, 0%, 36.5%)
CIE-LAB	lab(29.10, 36.20, -59.01)
CIE-LCH	lch(29.10, 69.23, 301.53°)
OKLab	oklab(40.39% 0.0199 -0.1703)
OKLCH	oklch(40.39% 0.171 276.7)
XYZ	xyz(9.3230, 5.8761, 34.8183)
Luminance	0.0588 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3734A2 #9FA234

analogous

#3468A2 #3734A2 #6E34A2

triadic

#3734A2 #A23734 #34A237

tetradic

#3734A2 #A23468 #9FA234 #34A26E

square

#3734A2 #A23468 #9FA234 #34A26E

split-complementary

#3734A2 #A26E34 #68A234

monochromatic

#181645 #272574 #3734A2 #514DC6 #7E7CD5

Accessibility & contrast

On white

9.65

#3734A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#3734A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3734A2

9.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3734A2	#FFFFFF	#000000	##FFFFFF
##3734A2	1.00	9.65	2.18	9.65
#FFFFFF	9.65	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049A5

Deuteranopia (green-blind)

#0040A0

Tritanopia (blue-blind)

#005166

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #3734a2;
/* rgb */ color: rgb(55, 52, 162);
/* oklch */ color: oklch(40.4% 0.171 276.7);

Tailwind

colors: {
  custom: {
    50: '#7c6cbf',
    500: '#3734a2',
    950: '#000000',
  },
}

SCSS

$custom: #3734a2;
$custom-light: #7c6cbf;
$custom-dark: #000000;

JSON

{
  "hex": "#3734a2",
  "rgb": {
    "r": 55,
    "g": 52,
    "b": 162
  },
  "hsl": {
    "h": 241.636,
    "s": 51.402,
    "l": 41.961
  },
  "oklch": {
    "l": 0.4039,
    "c": 0.17143,
    "h": 276.7
  },
  "luminance": 0.05877
}

Semantic roles & 50–950 ramp

primary

#3734A2

secondary

#BCBE74

accent

#DB4DD7

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0B0712

muted

#7C7A81

Preview Lab

Preview with #3734A2

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

Preview Lab → · Contrast checker → · Palette generator →