#3B4EB2#3B4EB2

#3B4EB2 is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.8% C 0.160 H 270.8°. Best body text is #FFFFFF at 7.20:1 contrast (WCAG AA passes).

Color values

HEX	#3B4EB2
RGB	rgb(59, 78, 178)
HSL	hsl(230, 50%, 46%)
HSV	hsv(230, 67%, 70%)
CMYK	cmyk(66.9%, 56.2%, 0%, 30.2%)
CIE-LAB	lab(37.10, 25.81, -55.52)
CIE-LCH	lch(37.10, 61.23, 294.93°)
OKLab	oklab(46.76% 0.0023 -0.1597)
OKLCH	oklch(46.76% 0.16 270.8)
XYZ	xyz(12.5612, 9.5918, 43.3003)
Luminance	0.0959 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4EB2 #B29F3B

analogous

#3B8AB2 #3B4EB2 #643BB2

triadic

#3B4EB2 #B23B4E #4EB23B

tetradic

#3B4EB2 #B23B8A #B29F3B #3BB264

square

#3B4EB2 #B23B8A #B29F3B #3BB264

split-complementary

#3B4EB2 #B2643B #8AB23B

monochromatic

#1D2656 #2C3A84 #3B4EB2 #6071CA #8E9ADA

Accessibility & contrast

On white

7.20

#3B4EB2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#3B4EB2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B4EB2

7.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4EB2	#FFFFFF	#000000	##FFFFFF
##3B4EB2	1.00	7.20	2.92	7.20
#FFFFFF	7.20	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DB5

Deuteranopia (green-blind)

#0052B0

Tritanopia (blue-blind)

#006678

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #3b4eb2;
/* rgb */ color: rgb(59, 78, 178);
/* oklch */ color: oklch(46.8% 0.160 270.8);

Tailwind

colors: {
  custom: {
    50: '#7f7fca',
    500: '#3b4eb2',
    950: '#000000',
  },
}

SCSS

$custom: #3b4eb2;
$custom-light: #7f7fca;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4eb2",
  "rgb": {
    "r": 59,
    "g": 78,
    "b": 178
  },
  "hsl": {
    "h": 230.42,
    "s": 50.211,
    "l": 46.471
  },
  "oklch": {
    "l": 0.46764,
    "c": 0.15974,
    "h": 270.8
  },
  "luminance": 0.09593
}

Semantic roles & 50–950 ramp

primary

#3B4EB2

secondary

#C4BA85

accent

#C34EDA

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3B4EB2

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

Preview Lab → · Contrast checker → · Palette generator →