#3A4C91#3A4C91

#3A4C91 is a dark, moderate blue. Relative luminance 0.081; OKLCH L 43.8% C 0.115 H 270.1°. Best body text is #FFFFFF at 8.01:1 contrast (WCAG AA passes).

Color values

HEX	#3A4C91
RGB	rgb(58, 76, 145)
HSL	hsl(228, 43%, 40%)
HSV	hsv(228, 60%, 57%)
CMYK	cmyk(60%, 47.6%, 0%, 43.1%)
CIE-LAB	lab(34.22, 15.10, -40.38)
CIE-LCH	lch(34.22, 43.11, 290.50°)
OKLab	oklab(43.84% 0.0002 -0.1152)
OKLCH	oklch(43.84% 0.115 270.1)
XYZ	xyz(9.4385, 8.1120, 27.8510)
Luminance	0.0811 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A4C91 #917F3A

analogous

#3A7891 #3A4C91 #533A91

triadic

#3A4C91 #913A4C #4C913A

tetradic

#3A4C91 #913A78 #917F3A #3A9153

square

#3A4C91 #913A78 #917F3A #3A9153

split-complementary

#3A4C91 #91533A #78913A

monochromatic

#171E3A #293565 #3A4C91 #4F65B9 #7B8CCA

Accessibility & contrast

On white

8.01

#3A4C91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#3A4C91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A4C91

8.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A4C91	#FFFFFF	#000000	##FFFFFF
##3A4C91	1.00	8.01	2.62	8.01
#FFFFFF	8.01	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B5594

Deuteranopia (green-blind)

#1E4D90

Tritanopia (blue-blind)

#005B67

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3a4c91;
/* rgb */ color: rgb(58, 76, 145);
/* oklch */ color: oklch(43.8% 0.115 270.1);

Tailwind

colors: {
  custom: {
    50: '#787db2',
    500: '#3a4c91',
    950: '#000000',
  },
}

SCSS

$custom: #3a4c91;
$custom-light: #787db2;
$custom-dark: #000000;

JSON

{
  "hex": "#3a4c91",
  "rgb": {
    "r": 58,
    "g": 76,
    "b": 145
  },
  "hsl": {
    "h": 227.586,
    "s": 42.857,
    "l": 39.804
  },
  "oklch": {
    "l": 0.43842,
    "c": 0.11522,
    "h": 270.1
  },
  "luminance": 0.08113
}

Semantic roles & 50–950 ramp

primary

#3A4C91

secondary

#B4A673

accent

#B955D3

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#090911

muted

#7B7B80

Preview Lab

Preview with #3A4C91

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

Preview Lab → · Contrast checker → · Palette generator →