#3B428E#3B428E

#3B428E is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.6% C 0.124 H 275.6°. Best body text is #FFFFFF at 8.91:1 contrast (WCAG AA passes).

Color values

HEX	#3B428E
RGB	rgb(59, 66, 142)
HSL	hsl(235, 41%, 39%)
HSV	hsv(235, 58%, 56%)
CMYK	cmyk(58.5%, 53.5%, 0%, 44.3%)
CIE-LAB	lab(31.30, 20.89, -43.23)
CIE-LCH	lch(31.30, 48.01, 295.79°)
OKLab	oklab(41.59% 0.0122 -0.1237)
OKLCH	oklch(41.59% 0.124 275.6)
XYZ	xyz(8.6328, 6.7786, 26.4394)
Luminance	0.0678 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B428E #8E873B

analogous

#3B6C8E #3B428E #5E3B8E

triadic

#3B428E #8E3B42 #428E3B

tetradic

#3B428E #8E3B6C #8E873B #3B8E5E

square

#3B428E #8E3B6C #8E873B #3B8E5E

split-complementary

#3B428E #8E5E3B #6C8E3B

monochromatic

#171A38 #292E63 #3B428E #5059B6 #7B82C8

Accessibility & contrast

On white

8.91

#3B428E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#3B428E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B428E

8.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B428E	#FFFFFF	#000000	##FFFFFF
##3B428E	1.00	8.91	2.36	8.91
#FFFFFF	8.91	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#174D91

Deuteranopia (green-blind)

#04468C

Tritanopia (blue-blind)

#085361

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3b428e;
/* rgb */ color: rgb(59, 66, 142);
/* oklch */ color: oklch(41.6% 0.124 275.6);

Tailwind

colors: {
  custom: {
    50: '#7976b0',
    500: '#3b428e',
    950: '#000000',
  },
}

SCSS

$custom: #3b428e;
$custom-light: #7976b0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b428e",
  "rgb": {
    "r": 59,
    "g": 66,
    "b": 142
  },
  "hsl": {
    "h": 234.94,
    "s": 41.294,
    "l": 39.412
  },
  "oklch": {
    "l": 0.41586,
    "c": 0.12428,
    "h": 275.6
  },
  "luminance": 0.06779
}

Semantic roles & 50–950 ramp

primary

#3B428E

secondary

#B2AC73

accent

#C757D1

background

#F7F7FA

surface

#EEEDF5

border

#C9C8CF

text

#0A0810

muted

#7C7B7F

Preview Lab

Preview with #3B428E

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

Preview Lab → · Contrast checker → · Palette generator →