#4B6CBB#4B6CBB

#4B6CBB is a mid, vivid blue. Relative luminance 0.158; OKLCH L 54.5% C 0.129 H 265.3°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#4B6CBB
RGB	rgb(75, 108, 187)
HSL	hsl(222, 45%, 51%)
HSV	hsv(222, 60%, 73%)
CMYK	cmyk(59.9%, 42.2%, 0%, 26.7%)
CIE-LAB	lab(46.72, 12.63, -45.28)
CIE-LCH	lch(46.72, 47.01, 285.59°)
OKLab	oklab(54.5% -0.0106 -0.1289)
OKLCH	oklch(54.5% 0.129 265.3)
XYZ	xyz(17.2308, 15.8074, 49.1472)
Luminance	0.1581 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B6CBB #BB9A4B

analogous

#4BA4BB #4B6CBB #624BBB

triadic

#4B6CBB #BB4B6C #6CBB4B

tetradic

#4B6CBB #BB4BA4 #BB9A4B #4BBB62

square

#4B6CBB #BB4BA4 #BB9A4B #4BBB62

split-complementary

#4B6CBB #BB624B #A4BB4B

monochromatic

#263965 #375292 #4B6CBB #7790CC #A4B5DD

Accessibility & contrast

On white

5.05

#4B6CBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#4B6CBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B6CBB

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B6CBB	#FFFFFF	#000000	##FFFFFF
##4B6CBB	1.00	5.05	4.16	5.05
#FFFFFF	5.05	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4974BE

Deuteranopia (green-blind)

#3A6AB9

Tritanopia (blue-blind)

#007E8A

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #4b6cbb;
/* rgb */ color: rgb(75, 108, 187);
/* oklch */ color: oklch(54.5% 0.129 265.3);

Tailwind

colors: {
  custom: {
    50: '#8795d0',
    500: '#4b6cbb',
    950: '#000000',
  },
}

SCSS

$custom: #4b6cbb;
$custom-light: #8795d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4b6cbb",
  "rgb": {
    "r": 75,
    "g": 108,
    "b": 187
  },
  "hsl": {
    "h": 222.321,
    "s": 45.161,
    "l": 51.373
  },
  "oklch": {
    "l": 0.545,
    "c": 0.1293,
    "h": 265.3
  },
  "luminance": 0.15809
}

Semantic roles & 50–950 ramp

primary

#4B6CBB

secondary

#CABB98

accent

#AF53D5

background

#F8F9FC

surface

#F0F1F9

border

#CBCBD2

text

#0C0D14

muted

#7D7E82

Preview Lab

Preview with #4B6CBB

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

Preview Lab → · Contrast checker → · Palette generator →