#3B4E79#3B4E79

#3B4E79 is a dark, moderate blue. Relative luminance 0.078; OKLCH L 42.8% C 0.076 H 265.2°. Best body text is #FFFFFF at 8.23:1 contrast (WCAG AA passes).

Color values

HEX	#3B4E79
RGB	rgb(59, 78, 121)
HSL	hsl(222, 34%, 35%)
HSV	hsv(222, 51%, 47%)
CMYK	cmyk(51.2%, 35.5%, 0%, 52.5%)
CIE-LAB	lab(33.47, 5.67, -26.78)
CIE-LCH	lch(33.47, 27.37, 281.95°)
OKLab	oklab(42.84% -0.0063 -0.0754)
OKLCH	oklch(42.84% 0.076 265.2)
XYZ	xyz(7.9781, 7.7585, 19.1626)
Luminance	0.0776 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4E79 #79663B

analogous

#3B6D79 #3B4E79 #473B79

triadic

#3B4E79 #793B4E #4E793B

tetradic

#3B4E79 #793B6D #79663B #3B7947

square

#3B4E79 #793B6D #79663B #3B7947

split-complementary

#3B4E79 #79473B #6D793B

monochromatic

#131927 #273350 #3B4E79 #4F69A2 #7389BB

Accessibility & contrast

On white

8.23

#3B4E79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#3B4E79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B4E79

8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4E79	#FFFFFF	#000000	##FFFFFF
##3B4E79	1.00	8.23	2.55	8.23
#FFFFFF	8.23	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E527B

Deuteranopia (green-blind)

#374C78

Tritanopia (blue-blind)

#21575E

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3b4e79;
/* rgb */ color: rgb(59, 78, 121);
/* oklch */ color: oklch(42.8% 0.076 265.2);

Tailwind

colors: {
  custom: {
    50: '#757fa0',
    500: '#3b4e79',
    950: '#000000',
  },
}

SCSS

$custom: #3b4e79;
$custom-light: #757fa0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4e79",
  "rgb": {
    "r": 59,
    "g": 78,
    "b": 121
  },
  "hsl": {
    "h": 221.613,
    "s": 34.444,
    "l": 35.294
  },
  "oklch": {
    "l": 0.42837,
    "c": 0.07565,
    "h": 265.2
  },
  "luminance": 0.07759
}

Semantic roles & 50–950 ramp

primary

#3B4E79

secondary

#A5936B

accent

#A95DCB

background

#F7F7F9

surface

#EDEEF2

border

#C8C9CC

text

#080A0E

muted

#7B7C7E

Preview Lab

Preview with #3B4E79

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

Preview Lab → · Contrast checker → · Palette generator →