#3B4E7B#3B4E7B

#3B4E7B is a dark, moderate blue. Relative luminance 0.078; OKLCH L 43.0% C 0.079 H 265.8°. Best body text is #FFFFFF at 8.20:1 contrast (WCAG AA passes).

Color values

HEX	#3B4E7B
RGB	rgb(59, 78, 123)
HSL	hsl(222, 35%, 36%)
HSV	hsv(222, 52%, 48%)
CMYK	cmyk(52%, 36.6%, 0%, 51.8%)
CIE-LAB	lab(33.58, 6.34, -27.86)
CIE-LCH	lch(33.58, 28.57, 282.83°)
OKLab	oklab(42.95% -0.0057 -0.0785)
OKLCH	oklch(42.95% 0.079 265.8)
XYZ	xyz(8.1020, 7.8081, 19.8152)
Luminance	0.0781 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4E7B #7B683B

analogous

#3B6E7B #3B4E7B #483B7B

triadic

#3B4E7B #7B3B4E #4E7B3B

tetradic

#3B4E7B #7B3B6E #7B683B #3B7B48

square

#3B4E7B #7B3B6E #7B683B #3B7B48

split-complementary

#3B4E7B #7B483B #6E7B3B

monochromatic

#131A28 #273452 #3B4E7B #4F68A4 #748ABC

Accessibility & contrast

On white

8.20

#3B4E7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#3B4E7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B4E7B

8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4E7B	#FFFFFF	#000000	##FFFFFF
##3B4E7B	1.00	8.20	2.56	8.20
#FFFFFF	8.20	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D527D

Deuteranopia (green-blind)

#364C7A

Tritanopia (blue-blind)

#1F585E

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3b4e7b;
/* rgb */ color: rgb(59, 78, 123);
/* oklch */ color: oklch(43.0% 0.079 265.8);

Tailwind

colors: {
  custom: {
    50: '#757fa1',
    500: '#3b4e7b',
    950: '#000000',
  },
}

SCSS

$custom: #3b4e7b;
$custom-light: #757fa1;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4e7b",
  "rgb": {
    "r": 59,
    "g": 78,
    "b": 123
  },
  "hsl": {
    "h": 222.188,
    "s": 35.165,
    "l": 35.686
  },
  "oklch": {
    "l": 0.42953,
    "c": 0.07873,
    "h": 265.8
  },
  "luminance": 0.07809
}

Semantic roles & 50–950 ramp

primary

#3B4E7B

secondary

#A6956C

accent

#AA5DCB

background

#F7F7F9

surface

#EDEEF2

border

#C8C9CC

text

#090A0F

muted

#7B7C7E

Preview Lab

Preview with #3B4E7B

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

Preview Lab → · Contrast checker → · Palette generator →