#3A3F8A#3A3F8A

#3A3F8A is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.6% C 0.123 H 276.6°. Best body text is #FFFFFF at 9.30:1 contrast (WCAG AA passes).

Color values

HEX	#3A3F8A
RGB	rgb(58, 63, 138)
HSL	hsl(236, 41%, 38%)
HSV	hsv(236, 58%, 54%)
CMYK	cmyk(58%, 54.3%, 0%, 45.9%)
CIE-LAB	lab(30.13, 21.27, -42.65)
CIE-LCH	lch(30.13, 47.66, 296.51°)
OKLab	oklab(40.6% 0.0141 -0.122)
OKLCH	oklch(40.6% 0.123 276.6)
XYZ	xyz(8.1084, 6.2890, 24.8264)
Luminance	0.0629 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A3F8A #8A853A

analogous

#3A678A #3A3F8A #5D3A8A

triadic

#3A3F8A #8A3A3F #3F8A3A

tetradic

#3A3F8A #8A3A67 #8A853A #3A8A5D

square

#3A3F8A #8A3A67 #8A853A #3A8A5D

split-complementary

#3A3F8A #8A5D3A #678A3A

monochromatic

#161834 #282B5F #3A3F8A #4D53B4 #787DC6

Accessibility & contrast

On white

9.30

#3A3F8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#3A3F8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A3F8A

9.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A3F8A	#FFFFFF	#000000	##FFFFFF
##3A3F8A	1.00	9.30	2.26	9.30
#FFFFFF	9.30	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#134A8D

Deuteranopia (green-blind)

#014488

Tritanopia (blue-blind)

#0D505E

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3a3f8a;
/* rgb */ color: rgb(58, 63, 138);
/* oklch */ color: oklch(40.6% 0.123 276.6);

Tailwind

colors: {
  custom: {
    50: '#7874ad',
    500: '#3a3f8a',
    950: '#000000',
  },
}

SCSS

$custom: #3a3f8a;
$custom-light: #7874ad;
$custom-dark: #000000;

JSON

{
  "hex": "#3a3f8a",
  "rgb": {
    "r": 58,
    "g": 63,
    "b": 138
  },
  "hsl": {
    "h": 236.25,
    "s": 40.816,
    "l": 38.431
  },
  "oklch": {
    "l": 0.40601,
    "c": 0.12285,
    "h": 276.6
  },
  "luminance": 0.0629
}

Semantic roles & 50–950 ramp

primary

#3A3F8A

secondary

#B0AC70

accent

#C957D1

background

#F7F7FA

surface

#EEEDF4

border

#C9C8CE

text

#090810

muted

#7B7B7F

Preview Lab

Preview with #3A3F8A

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

Preview Lab → · Contrast checker → · Palette generator →