#3B4E71#3B4E71

#3B4E71 is a dark, moderate blue. Relative luminance 0.076; OKLCH L 42.4% C 0.063 H 262.1°. Best body text is #FFFFFF at 8.35:1 contrast (WCAG AA passes).

Color values

HEX	#3B4E71
RGB	rgb(59, 78, 113)
HSL	hsl(219, 31%, 34%)
HSV	hsv(219, 48%, 44%)
CMYK	cmyk(47.8%, 31%, 0%, 55.7%)
CIE-LAB	lab(33.07, 3.02, -22.42)
CIE-LCH	lch(33.07, 22.62, 277.66°)
OKLab	oklab(42.39% -0.0087 -0.0628)
OKLCH	oklch(42.39% 0.063 262.1)
XYZ	xyz(7.5077, 7.5704, 16.6852)
Luminance	0.0757 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4E71 #715E3B

analogous

#3B6971 #3B4E71 #433B71

triadic

#3B4E71 #713B4E #4E713B

tetradic

#3B4E71 #713B69 #715E3B #3B7143

square

#3B4E71 #713B69 #715E3B #3B7143

split-complementary

#3B4E71 #71433B #69713B

monochromatic

#111621 #263249 #3B4E71 #506A99 #7189B5

Accessibility & contrast

On white

8.35

#3B4E71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#3B4E71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B4E71

8.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4E71	#FFFFFF	#000000	##FFFFFF
##3B4E71	1.00	8.35	2.51	8.35
#FFFFFF	8.35	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#415173

Deuteranopia (green-blind)

#3B4C70

Tritanopia (blue-blind)

#26555A

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3b4e71;
/* rgb */ color: rgb(59, 78, 113);
/* oklch */ color: oklch(42.4% 0.063 262.1);

Tailwind

colors: {
  custom: {
    50: '#747f9a',
    500: '#3b4e71',
    950: '#000000',
  },
}

SCSS

$custom: #3b4e71;
$custom-light: #747f9a;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4e71",
  "rgb": {
    "r": 59,
    "g": 78,
    "b": 113
  },
  "hsl": {
    "h": 218.889,
    "s": 31.395,
    "l": 33.725
  },
  "oklch": {
    "l": 0.42391,
    "c": 0.06336,
    "h": 262.1
  },
  "luminance": 0.07571
}

Semantic roles & 50–950 ramp

primary

#3B4E71

secondary

#9F8C69

accent

#A360C8

background

#F7F7F9

surface

#EDEEF2

border

#C8C9CC

text

#080A0E

muted

#7B7C7E

Preview Lab

Preview with #3B4E71

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

Preview Lab → · Contrast checker → · Palette generator →