#3B4E9D#3B4E9D

#3B4E9D is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.2% C 0.130 H 270.3°. Best body text is #FFFFFF at 7.60:1 contrast (WCAG AA passes).

Color values

HEX	#3B4E9D
RGB	rgb(59, 78, 157)
HSL	hsl(228, 45%, 42%)
HSV	hsv(228, 62%, 62%)
CMYK	cmyk(62.4%, 50.3%, 0%, 38.4%)
CIE-LAB	lab(35.62, 18.26, -45.39)
CIE-LCH	lch(35.62, 48.92, 291.92°)
OKLab	oklab(45.18% 0.0007 -0.1299)
OKLCH	oklch(45.18% 0.13 270.3)
XYZ	xyz(10.6118, 8.8120, 33.0334)
Luminance	0.0881 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4E9D #9D8A3B

analogous

#3B7F9D #3B4E9D #593B9D

triadic

#3B4E9D #9D3B4E #4E9D3B

tetradic

#3B4E9D #9D3B7F #9D8A3B #3B9D59

square

#3B4E9D #9D3B7F #9D8A3B #3B9D59

split-complementary

#3B4E9D #9D593B #7F9D3B

monochromatic

#1A2244 #2A3871 #3B4E9D #566ABF #8291D0

Accessibility & contrast

On white

7.60

#3B4E9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#3B4E9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B4E9D

7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4E9D	#FFFFFF	#000000	##FFFFFF
##3B4E9D	1.00	7.60	2.76	7.60
#FFFFFF	7.60	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2458A0

Deuteranopia (green-blind)

#0F509B

Tritanopia (blue-blind)

#00606E

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3b4e9d;
/* rgb */ color: rgb(59, 78, 157);
/* oklch */ color: oklch(45.2% 0.130 270.3);

Tailwind

colors: {
  custom: {
    50: '#7b7fba',
    500: '#3b4e9d',
    950: '#000000',
  },
}

SCSS

$custom: #3b4e9d;
$custom-light: #7b7fba;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4e9d",
  "rgb": {
    "r": 59,
    "g": 78,
    "b": 157
  },
  "hsl": {
    "h": 228.367,
    "s": 45.37,
    "l": 42.353
  },
  "oklch": {
    "l": 0.45178,
    "c": 0.1299,
    "h": 270.3
  },
  "luminance": 0.08813
}

Semantic roles & 50–950 ramp

primary

#3B4E9D

secondary

#BAAE7A

accent

#BC53D5

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #3B4E9D

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

Preview Lab → · Contrast checker → · Palette generator →