#4B5BB2#4B5BB2

#4B5BB2 is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.3% C 0.138 H 272.7°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).

Color values

HEX	#4B5BB2
RGB	rgb(75, 91, 178)
HSL	hsl(231, 41%, 50%)
HSV	hsv(231, 58%, 70%)
CMYK	cmyk(57.9%, 48.9%, 0%, 30.2%)
CIE-LAB	lab(41.52, 20.32, -48.35)
CIE-LCH	lch(41.52, 52.44, 292.79°)
OKLab	oklab(50.35% 0.0064 -0.1381)
OKLCH	oklch(50.35% 0.138 272.7)
XYZ	xyz(14.6760, 12.1913, 43.6906)
Luminance	0.1219 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B5BB2 #B2A24B

analogous

#4B8EB2 #4B5BB2 #6F4BB2

triadic

#4B5BB2 #B24B5B #5BB24B

tetradic

#4B5BB2 #B24B8E #B2A24B #4BB26F

square

#4B5BB2 #B24B8E #B2A24B #4BB26F

split-complementary

#4B5BB2 #B26F4B #8EB24B

monochromatic

#272F5C #394587 #4B5BB2 #7582C5 #A0A9D7

Accessibility & contrast

On white

6.11

#4B5BB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#4B5BB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B5BB2

6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B5BB2	#FFFFFF	#000000	##FFFFFF
##4B5BB2	1.00	6.11	3.44	6.11
#FFFFFF	6.11	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3067B5

Deuteranopia (green-blind)

#205EB0

Tritanopia (blue-blind)

#026F7E

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #4b5bb2;
/* rgb */ color: rgb(75, 91, 178);
/* oklch */ color: oklch(50.3% 0.138 272.7);

Tailwind

colors: {
  custom: {
    50: '#8689c9',
    500: '#4b5bb2',
    950: '#000000',
  },
}

SCSS

$custom: #4b5bb2;
$custom-light: #8689c9;
$custom-dark: #000000;

JSON

{
  "hex": "#4b5bb2",
  "rgb": {
    "r": 75,
    "g": 91,
    "b": 178
  },
  "hsl": {
    "h": 230.68,
    "s": 40.711,
    "l": 49.608
  },
  "oklch": {
    "l": 0.5035,
    "c": 0.13822,
    "h": 272.7
  },
  "luminance": 0.12192
}

Semantic roles & 50–950 ramp

primary

#4B5BB2

secondary

#C4BD95

accent

#BE57D1

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #4B5BB2

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

Preview Lab → · Contrast checker → · Palette generator →