#4F5BBD#4F5BBD

#4F5BBD is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.4% C 0.153 H 274.5°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#4F5BBD
RGB	rgb(79, 91, 189)
HSL	hsl(233, 45%, 53%)
HSV	hsv(233, 58%, 74%)
CMYK	cmyk(58.2%, 51.9%, 0%, 25.9%)
CIE-LAB	lab(42.49, 24.83, -53.21)
CIE-LCH	lch(42.49, 58.72, 295.01°)
OKLab	oklab(51.38% 0.0119 -0.1523)
OKLCH	oklch(51.38% 0.153 274.5)
XYZ	xyz(16.1479, 12.8174, 49.7573)
Luminance	0.1282 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F5BBD #BDB14F

analogous

#4F92BD #4F5BBD #7A4FBD

triadic

#4F5BBD #BD4F5B #5BBD4F

tetradic

#4F5BBD #BD4F92 #BDB14F #4FBD7A

square

#4F5BBD #BD4F92 #BDB14F #4FBD7A

split-complementary

#4F5BBD #BD7A4F #92BD4F

monochromatic

#282F6A #384396 #4F5BBD #7C84CE #A8AEDE

Accessibility & contrast

On white

5.89

#4F5BBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#4F5BBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F5BBD

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F5BBD	#FFFFFF	#000000	##FFFFFF
##4F5BBD	1.00	5.89	3.56	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2469C0

Deuteranopia (green-blind)

#0960BB

Tritanopia (blue-blind)

#007183

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4f5bbd;
/* rgb */ color: rgb(79, 91, 189);
/* oklch */ color: oklch(51.4% 0.153 274.5);

Tailwind

colors: {
  custom: {
    50: '#8a89d1',
    500: '#4f5bbd',
    950: '#000000',
  },
}

SCSS

$custom: #4f5bbd;
$custom-light: #8a89d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4f5bbd",
  "rgb": {
    "r": 79,
    "g": 91,
    "b": 189
  },
  "hsl": {
    "h": 233.455,
    "s": 45.455,
    "l": 52.549
  },
  "oklch": {
    "l": 0.51377,
    "c": 0.15274,
    "h": 274.5
  },
  "luminance": 0.12819
}

Semantic roles & 50–950 ramp

primary

#4F5BBD

secondary

#CCC79C

accent

#C753D5

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0D0B14

muted

#7D7C82

Preview Lab

Preview with #4F5BBD

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

Preview Lab → · Contrast checker → · Palette generator →