#3B4E81#3B4E81

#3B4E81 is a dark, moderate blue. Relative luminance 0.080; OKLCH L 43.3% C 0.088 H 267.2°. Best body text is #FFFFFF at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#3B4E81
RGB	rgb(59, 78, 129)
HSL	hsl(224, 37%, 37%)
HSV	hsv(224, 54%, 51%)
CMYK	cmyk(54.3%, 39.5%, 0%, 49.4%)
CIE-LAB	lab(33.91, 8.39, -31.06)
CIE-LCH	lch(33.91, 32.17, 285.12°)
OKLab	oklab(43.31% -0.0042 -0.0878)
OKLCH	oklch(43.31% 0.088 267.2)
XYZ	xyz(8.4892, 7.9630, 21.8543)
Luminance	0.0796 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4E81 #816E3B

analogous

#3B7181 #3B4E81 #4B3B81

triadic

#3B4E81 #813B4E #4E813B

tetradic

#3B4E81 #813B71 #816E3B #3B814B

square

#3B4E81 #813B71 #816E3B #3B814B

split-complementary

#3B4E81 #814B3B #71813B

monochromatic

#151B2D #283557 #3B4E81 #4E67AB #768AC0

Accessibility & contrast

On white

8.10

#3B4E81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#3B4E81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B4E81

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4E81	#FFFFFF	#000000	##FFFFFF
##3B4E81	1.00	8.10	2.59	8.10
#FFFFFF	8.10	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A5383

Deuteranopia (green-blind)

#324D80

Tritanopia (blue-blind)

#195961

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3b4e81;
/* rgb */ color: rgb(59, 78, 129);
/* oklch */ color: oklch(43.3% 0.088 267.2);

Tailwind

colors: {
  custom: {
    50: '#767fa6',
    500: '#3b4e81',
    950: '#000000',
  },
}

SCSS

$custom: #3b4e81;
$custom-light: #767fa6;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4e81",
  "rgb": {
    "r": 59,
    "g": 78,
    "b": 129
  },
  "hsl": {
    "h": 223.714,
    "s": 37.234,
    "l": 36.863
  },
  "oklch": {
    "l": 0.43312,
    "c": 0.08795,
    "h": 267.2
  },
  "luminance": 0.07964
}

Semantic roles & 50–950 ramp

primary

#3B4E81

secondary

#AA9A6E

accent

#AE5BCD

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#090A0F

muted

#7B7C7F

Preview Lab

Preview with #3B4E81

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

Preview Lab → · Contrast checker → · Palette generator →