#4B6FBB#4B6FBB

#4B6FBB is a mid, vivid blue. Relative luminance 0.165; OKLCH L 55.1% C 0.126 H 263.7°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#4B6FBB
RGB	rgb(75, 111, 187)
HSL	hsl(221, 45%, 51%)
HSV	hsv(221, 60%, 73%)
CMYK	cmyk(59.9%, 40.6%, 0%, 26.7%)
CIE-LAB	lab(47.56, 10.76, -43.94)
CIE-LCH	lch(47.56, 45.24, 283.76°)
OKLab	oklab(55.15% -0.0139 -0.1249)
OKLCH	oklch(55.15% 0.126 263.7)
XYZ	xyz(17.5526, 16.4511, 49.2545)
Luminance	0.1645 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B6FBB #BB974B

analogous

#4BA7BB #4B6FBB #5F4BBB

triadic

#4B6FBB #BB4B6F #6FBB4B

tetradic

#4B6FBB #BB4BA7 #BB974B #4BBB5F

square

#4B6FBB #BB4BA7 #BB974B #4BBB5F

split-complementary

#4B6FBB #BB5F4B #A7BB4B

monochromatic

#263B65 #375492 #4B6FBB #7793CC #A4B6DD

Accessibility & contrast

On white

4.89

#4B6FBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#4B6FBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B6FBB

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B6FBB	#FFFFFF	#000000	##FFFFFF
##4B6FBB	1.00	4.89	4.29	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E76BE

Deuteranopia (green-blind)

#3F6CB9

Tritanopia (blue-blind)

#00808C

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #4b6fbb;
/* rgb */ color: rgb(75, 111, 187);
/* oklch */ color: oklch(55.1% 0.126 263.7);

Tailwind

colors: {
  custom: {
    50: '#8797d0',
    500: '#4b6fbb',
    950: '#000000',
  },
}

SCSS

$custom: #4b6fbb;
$custom-light: #8797d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4b6fbb",
  "rgb": {
    "r": 75,
    "g": 111,
    "b": 187
  },
  "hsl": {
    "h": 220.714,
    "s": 45.161,
    "l": 51.373
  },
  "oklch": {
    "l": 0.55148,
    "c": 0.12568,
    "h": 263.7
  },
  "luminance": 0.16453
}

Semantic roles & 50–950 ramp

primary

#4B6FBB

secondary

#CABA98

accent

#AB53D5

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0D14

muted

#7D7E82

Preview Lab

Preview with #4B6FBB

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

Preview Lab → · Contrast checker → · Palette generator →