#3B4E9C#3B4E9C

#3B4E9C is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.1% C 0.128 H 270.3°. Best body text is #FFFFFF at 7.62:1 contrast (WCAG AA passes).

Color values

HEX	#3B4E9C
RGB	rgb(59, 78, 156)
HSL	hsl(228, 45%, 42%)
HSV	hsv(228, 62%, 61%)
CMYK	cmyk(62.2%, 50%, 0%, 38.8%)
CIE-LAB	lab(35.55, 17.90, -44.89)
CIE-LCH	lch(35.55, 48.33, 291.74°)
OKLab	oklab(45.11% 0.0006 -0.1284)
OKLCH	oklch(45.11% 0.128 270.3)
XYZ	xyz(10.5268, 8.7780, 32.5856)
Luminance	0.0878 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4E9C #9C893B

analogous

#3B7F9C #3B4E9C #583B9C

triadic

#3B4E9C #9C3B4E #4E9C3B

tetradic

#3B4E9C #9C3B7F #9C893B #3B9C58

square

#3B4E9C #9C3B7F #9C893B #3B9C58

split-complementary

#3B4E9C #9C583B #7F9C3B

monochromatic

#192243 #2A3870 #3B4E9C #556ABF #8291D0

Accessibility & contrast

On white

7.62

#3B4E9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#3B4E9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B4E9C

7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4E9C	#FFFFFF	#000000	##FFFFFF
##3B4E9C	1.00	7.62	2.76	7.62
#FFFFFF	7.62	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25589F

Deuteranopia (green-blind)

#12509A

Tritanopia (blue-blind)

#00606D

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3b4e9c;
/* rgb */ color: rgb(59, 78, 156);
/* oklch */ color: oklch(45.1% 0.128 270.3);

Tailwind

colors: {
  custom: {
    50: '#7a7fba',
    500: '#3b4e9c',
    950: '#000000',
  },
}

SCSS

$custom: #3b4e9c;
$custom-light: #7a7fba;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4e9c",
  "rgb": {
    "r": 59,
    "g": 78,
    "b": 156
  },
  "hsl": {
    "h": 228.247,
    "s": 45.116,
    "l": 42.157
  },
  "oklch": {
    "l": 0.45106,
    "c": 0.12844,
    "h": 270.3
  },
  "luminance": 0.08779
}

Semantic roles & 50–950 ramp

primary

#3B4E9C

secondary

#B9AD79

accent

#BB53D5

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#0A0A11

muted

#7C7C80

Preview Lab

Preview with #3B4E9C

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

Preview Lab → · Contrast checker → · Palette generator →