#4B5FAC#4B5FAC

#4B5FAC is a mid, vivid blue. Relative luminance 0.127; OKLCH L 50.8% C 0.124 H 270.5°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#4B5FAC
RGB	rgb(75, 95, 172)
HSL	hsl(228, 39%, 48%)
HSV	hsv(228, 56%, 67%)
CMYK	cmyk(56.4%, 44.8%, 0%, 32.5%)
CIE-LAB	lab(42.24, 15.73, -43.66)
CIE-LCH	lch(42.24, 46.41, 289.82°)
OKLab	oklab(50.78% 0.0011 -0.1242)
OKLCH	oklch(50.78% 0.124 270.5)
XYZ	xyz(14.4378, 12.6578, 40.7041)
Luminance	0.1266 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B5FAC #AC984B

analogous

#4B8FAC #4B5FAC #674BAC

triadic

#4B5FAC #AC4B5F #5FAC4B

tetradic

#4B5FAC #AC4B8F #AC984B #4BAC67

square

#4B5FAC #AC4B8F #AC984B #4BAC67

split-complementary

#4B5FAC #AC674B #8FAC4B

monochromatic

#263057 #384781 #4B5FAC #7283C2 #9DA8D4

Accessibility & contrast

On white

5.95

#4B5FAC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#4B5FAC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B5FAC

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B5FAC	#FFFFFF	#000000	##FFFFFF
##4B5FAC	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D68AF

Deuteranopia (green-blind)

#3160AA

Tritanopia (blue-blind)

#11707D

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4b5fac;
/* rgb */ color: rgb(75, 95, 172);
/* oklch */ color: oklch(50.8% 0.124 270.5);

Tailwind

colors: {
  custom: {
    50: '#858cc5',
    500: '#4b5fac',
    950: '#000000',
  },
}

SCSS

$custom: #4b5fac;
$custom-light: #858cc5;
$custom-dark: #000000;

JSON

{
  "hex": "#4b5fac",
  "rgb": {
    "r": 75,
    "g": 95,
    "b": 172
  },
  "hsl": {
    "h": 227.629,
    "s": 39.271,
    "l": 48.431
  },
  "oklch": {
    "l": 0.50784,
    "c": 0.12425,
    "h": 270.5
  },
  "luminance": 0.12659
}

Semantic roles & 50–950 ramp

primary

#4B5FAC

secondary

#C1B792

accent

#B759CF

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0C13

muted

#7D7D82

Preview Lab

Preview with #4B5FAC

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

Preview Lab → · Contrast checker → · Palette generator →