#3B4E91#3B4E91

#3B4E91 is a dark, moderate blue. Relative luminance 0.084; OKLCH L 44.3% C 0.112 H 269.5°. Best body text is #FFFFFF at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#3B4E91
RGB	rgb(59, 78, 145)
HSL	hsl(227, 42%, 40%)
HSV	hsv(227, 59%, 57%)
CMYK	cmyk(59.3%, 46.2%, 0%, 43.1%)
CIE-LAB	lab(34.85, 13.98, -39.36)
CIE-LCH	lch(34.85, 41.77, 289.56°)
OKLab	oklab(44.34% -0.001 -0.1122)
OKLCH	oklch(44.34% 0.112 269.5)
XYZ	xyz(9.6372, 8.4222, 27.9004)
Luminance	0.0842 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4E91 #917E3B

analogous

#3B7991 #3B4E91 #533B91

triadic

#3B4E91 #913B4E #4E913B

tetradic

#3B4E91 #913B79 #917E3B #3B9153

square

#3B4E91 #913B79 #917E3B #3B9153

split-complementary

#3B4E91 #91533B #79913B

monochromatic

#181F3A #293766 #3B4E91 #5168B8 #7C8ECA

Accessibility & contrast

On white

7.82

#3B4E91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#3B4E91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B4E91

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4E91	#FFFFFF	#000000	##FFFFFF
##3B4E91	1.00	7.82	2.68	7.82
#FFFFFF	7.82	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F5694

Deuteranopia (green-blind)

#234E90

Tritanopia (blue-blind)

#005D68

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3b4e91;
/* rgb */ color: rgb(59, 78, 145);
/* oklch */ color: oklch(44.3% 0.112 269.5);

Tailwind

colors: {
  custom: {
    50: '#787fb2',
    500: '#3b4e91',
    950: '#000000',
  },
}

SCSS

$custom: #3b4e91;
$custom-light: #787fb2;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4e91",
  "rgb": {
    "r": 59,
    "g": 78,
    "b": 145
  },
  "hsl": {
    "h": 226.744,
    "s": 42.157,
    "l": 40
  },
  "oklch": {
    "l": 0.44341,
    "c": 0.11219,
    "h": 269.5
  },
  "luminance": 0.08423
}

Semantic roles & 50–950 ramp

primary

#3B4E91

secondary

#B4A674

accent

#B756D2

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #3B4E91

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

Preview Lab → · Contrast checker → · Palette generator →