#4F5FB5#4F5FB5

#4F5FB5 is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.6% C 0.136 H 272.8°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#4F5FB5
RGB	rgb(79, 95, 181)
HSL	hsl(231, 41%, 51%)
HSV	hsv(231, 56%, 71%)
CMYK	cmyk(56.4%, 47.5%, 0%, 29%)
CIE-LAB	lab(43.04, 19.61, -47.66)
CIE-LCH	lch(43.04, 51.54, 292.37°)
OKLab	oklab(51.63% 0.0067 -0.1359)
OKLCH	oklch(51.63% 0.136 272.8)
XYZ	xyz(15.6544, 13.1817, 45.4265)
Luminance	0.1318 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F5FB5 #B5A54F

analogous

#4F92B5 #4F5FB5 #724FB5

triadic

#4F5FB5 #B54F5F #5FB54F

tetradic

#4F5FB5 #B54F92 #B5A54F #4FB572

square

#4F5FB5 #B54F92 #B5A54F #4FB572

split-complementary

#4F5FB5 #B5724F #92B54F

monochromatic

#293261 #3B488C #4F5FB5 #7A86C7 #A5ADD9

Accessibility & contrast

On white

5.77

#4F5FB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#4F5FB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F5FB5

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F5FB5	#FFFFFF	#000000	##FFFFFF
##4F5FB5	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#376AB8

Deuteranopia (green-blind)

#2961B3

Tritanopia (blue-blind)

#147281

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #4f5fb5;
/* rgb */ color: rgb(79, 95, 181);
/* oklch */ color: oklch(51.6% 0.136 272.8);

Tailwind

colors: {
  custom: {
    50: '#888ccc',
    500: '#4f5fb5',
    950: '#000000',
  },
}

SCSS

$custom: #4f5fb5;
$custom-light: #888ccc;
$custom-dark: #000000;

JSON

{
  "hex": "#4f5fb5",
  "rgb": {
    "r": 79,
    "g": 95,
    "b": 181
  },
  "hsl": {
    "h": 230.588,
    "s": 40.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.51629,
    "c": 0.13608,
    "h": 272.8
  },
  "luminance": 0.13183
}

Semantic roles & 50–950 ramp

primary

#4F5FB5

secondary

#C6BF99

accent

#BE57D1

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C13

muted

#7D7D82

Preview Lab

Preview with #4F5FB5

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

Preview Lab → · Contrast checker → · Palette generator →