#3B4CBB#3B4CBB

#3B4CBB is a mid, vivid blue. Relative luminance 0.097; OKLCH L 47.1% C 0.175 H 271.4°. Best body text is #FFFFFF at 7.15:1 contrast (WCAG AA passes).

Color values

HEX	#3B4CBB
RGB	rgb(59, 76, 187)
HSL	hsl(232, 52%, 48%)
HSV	hsv(232, 68%, 73%)
CMYK	cmyk(68.4%, 59.4%, 0%, 26.7%)
CIE-LAB	lab(37.27, 30.32, -60.55)
CIE-LCH	lch(37.27, 67.71, 296.60°)
OKLab	oklab(47.11% 0.0042 -0.1745)
OKLCH	oklch(47.11% 0.175 271.4)
XYZ	xyz(13.3547, 9.6853, 48.1697)
Luminance	0.0969 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4CBB #BBAA3B

analogous

#3B8CBB #3B4CBB #6A3BBB

triadic

#3B4CBB #BB3B4C #4CBB3B

tetradic

#3B4CBB #BB3B8C #BBAA3B #3BBB6A

square

#3B4CBB #BB3B8C #BBAA3B #3BBB6A

split-complementary

#3B4CBB #BB6A3B #8CBB3B

monochromatic

#1E265E #2C398C #3B4CBB #6573CE #939DDD

Accessibility & contrast

On white

7.15

#3B4CBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#3B4CBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B4CBB

7.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4CBB	#FFFFFF	#000000	##FFFFFF
##3B4CBB	1.00	7.15	2.94	7.15
#FFFFFF	7.15	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EBF

Deuteranopia (green-blind)

#0052B9

Tritanopia (blue-blind)

#00687C

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #3b4cbb;
/* rgb */ color: rgb(59, 76, 187);
/* oklch */ color: oklch(47.1% 0.175 271.4);

Tailwind

colors: {
  custom: {
    50: '#817ed0',
    500: '#3b4cbb',
    950: '#000000',
  },
}

SCSS

$custom: #3b4cbb;
$custom-light: #817ed0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4cbb",
  "rgb": {
    "r": 59,
    "g": 76,
    "b": 187
  },
  "hsl": {
    "h": 232.031,
    "s": 52.033,
    "l": 48.235
  },
  "oklch": {
    "l": 0.47108,
    "c": 0.17456,
    "h": 271.4
  },
  "luminance": 0.09687
}

Semantic roles & 50–950 ramp

primary

#3B4CBB

secondary

#C8C08A

accent

#C84CDB

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #3B4CBB

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

Preview Lab → · Contrast checker → · Palette generator →