#3B428B#3B428B

#3B428B is a dark, moderate blue. Relative luminance 0.067; OKLCH L 41.4% C 0.120 H 275.7°. Best body text is #FFFFFF at 8.98:1 contrast (WCAG AA passes).

Color values

HEX	#3B428B
RGB	rgb(59, 66, 139)
HSL	hsl(235, 40%, 39%)
HSV	hsv(235, 58%, 55%)
CMYK	cmyk(57.6%, 52.5%, 0%, 45.5%)
CIE-LAB	lab(31.09, 19.84, -41.72)
CIE-LCH	lch(31.09, 46.19, 295.43°)
OKLab	oklab(41.36% 0.012 -0.1192)
OKLCH	oklch(41.36% 0.12 275.7)
XYZ	xyz(8.4106, 6.6897, 25.2691)
Luminance	0.0669 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B428B #8B843B

analogous

#3B6A8B #3B428B #5C3B8B

triadic

#3B428B #8B3B42 #428B3B

tetradic

#3B428B #8B3B6A #8B843B #3B8B5C

square

#3B428B #8B3B6A #8B843B #3B8B5C

split-complementary

#3B428B #8B5C3B #6A8B3B

monochromatic

#171935 #292E60 #3B428B #4F58B4 #7A81C7

Accessibility & contrast

On white

8.98

#3B428B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#3B428B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B428B

8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B428B	#FFFFFF	#000000	##FFFFFF
##3B428B	1.00	8.98	2.34	8.98
#FFFFFF	8.98	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B4D8E

Deuteranopia (green-blind)

#0D4689

Tritanopia (blue-blind)

#0E5260

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3b428b;
/* rgb */ color: rgb(59, 66, 139);
/* oklch */ color: oklch(41.4% 0.120 275.7);

Tailwind

colors: {
  custom: {
    50: '#7876ad',
    500: '#3b428b',
    950: '#000000',
  },
}

SCSS

$custom: #3b428b;
$custom-light: #7876ad;
$custom-dark: #000000;

JSON

{
  "hex": "#3b428b",
  "rgb": {
    "r": 59,
    "g": 66,
    "b": 139
  },
  "hsl": {
    "h": 234.75,
    "s": 40.404,
    "l": 38.824
  },
  "oklch": {
    "l": 0.41363,
    "c": 0.11984,
    "h": 275.7
  },
  "luminance": 0.0669
}

Semantic roles & 50–950 ramp

primary

#3B428B

secondary

#B0AB72

accent

#C658D0

background

#F7F7FA

surface

#EEEDF4

border

#C9C8CE

text

#090810

muted

#7B7B7F

Preview Lab

Preview with #3B428B

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

Preview Lab → · Contrast checker → · Palette generator →