#3B4C8A#3B4C8A

#3B4C8A is a dark, moderate blue. Relative luminance 0.079; OKLCH L 43.4% C 0.104 H 270.1°. Best body text is #FFFFFF at 8.12:1 contrast (WCAG AA passes).

Color values

HEX	#3B4C8A
RGB	rgb(59, 76, 138)
HSL	hsl(227, 40%, 39%)
HSV	hsv(227, 57%, 54%)
CMYK	cmyk(57.2%, 44.9%, 0%, 45.9%)
CIE-LAB	lab(33.84, 12.84, -36.69)
CIE-LCH	lch(33.84, 38.87, 289.28°)
OKLab	oklab(43.43% 0.0001 -0.1044)
OKLCH	oklch(43.43% 0.104 270.1)
XYZ	xyz(8.9740, 7.9330, 25.0982)
Luminance	0.0793 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4C8A #8A793B

analogous

#3B738A #3B4C8A #513B8A

triadic

#3B4C8A #8A3B4C #4C8A3B

tetradic

#3B4C8A #8A3B73 #8A793B #3B8A51

square

#3B4C8A #8A3B73 #8A793B #3B8A51

split-complementary

#3B4C8A #8A513B #738A3B

monochromatic

#161D34 #29345F #3B4C8A #4F64B4 #798AC6

Accessibility & contrast

On white

8.12

#3B4C8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#3B4C8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B4C8A

8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4C8A	#FFFFFF	#000000	##FFFFFF
##3B4C8A	1.00	8.12	2.59	8.12
#FFFFFF	8.12	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#31538C

Deuteranopia (green-blind)

#274C89

Tritanopia (blue-blind)

#0D5A64

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3b4c8a;
/* rgb */ color: rgb(59, 76, 138);
/* oklch */ color: oklch(43.4% 0.104 270.1);

Tailwind

colors: {
  custom: {
    50: '#777dac',
    500: '#3b4c8a',
    950: '#000000',
  },
}

SCSS

$custom: #3b4c8a;
$custom-light: #777dac;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4c8a",
  "rgb": {
    "r": 59,
    "g": 76,
    "b": 138
  },
  "hsl": {
    "h": 227.089,
    "s": 40.102,
    "l": 38.627
  },
  "oklch": {
    "l": 0.43434,
    "c": 0.10437,
    "h": 270.1
  },
  "luminance": 0.07934
}

Semantic roles & 50–950 ramp

primary

#3B4C8A

secondary

#AFA271

accent

#B658D0

background

#F7F7FA

surface

#EEEEF4

border

#C9C9CE

text

#090910

muted

#7B7B7F

Preview Lab

Preview with #3B4C8A

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

Preview Lab → · Contrast checker → · Palette generator →