#4B4FA5#4B4FA5

#4B4FA5 is a mid, vivid blue. Relative luminance 0.098; OKLCH L 47.0% C 0.136 H 277.8°. Best body text is #FFFFFF at 7.09:1 contrast (WCAG AA passes).

Color values

HEX	#4B4FA5
RGB	rgb(75, 79, 165)
HSL	hsl(237, 38%, 47%)
HSV	hsv(237, 55%, 65%)
CMYK	cmyk(54.5%, 52.1%, 0%, 35.3%)
CIE-LAB	lab(37.49, 23.63, -47.12)
CIE-LCH	lch(37.49, 52.72, 296.63°)
OKLab	oklab(47.04% 0.0184 -0.1346)
OKLCH	oklch(47.04% 0.136 277.8)
XYZ	xyz(12.4870, 9.8036, 36.8243)
Luminance	0.0980 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B4FA5 #A5A14B

analogous

#4B7CA5 #4B4FA5 #744BA5

triadic

#4B4FA5 #A54B4F #4FA54B

tetradic

#4B4FA5 #A54B7C #A5A14B #4BA574

square

#4B4FA5 #A54B7C #A5A14B #4BA574

split-complementary

#4B4FA5 #A5744B #7CA54B

monochromatic

#252751 #383B7B #4B4FA5 #6F73BE #9A9CD1

Accessibility & contrast

On white

7.09

#4B4FA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#4B4FA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B4FA5

7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B4FA5	#FFFFFF	#000000	##FFFFFF
##4B4FA5	1.00	7.09	2.96	7.09
#FFFFFF	7.09	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#225CA8

Deuteranopia (green-blind)

#1555A3

Tritanopia (blue-blind)

#216272

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #4b4fa5;
/* rgb */ color: rgb(75, 79, 165);
/* oklch */ color: oklch(47.0% 0.136 277.8);

Tailwind

colors: {
  custom: {
    50: '#8480c0',
    500: '#4b4fa5',
    950: '#000000',
  },
}

SCSS

$custom: #4b4fa5;
$custom-light: #8480c0;
$custom-dark: #000000;

JSON

{
  "hex": "#4b4fa5",
  "rgb": {
    "r": 75,
    "g": 79,
    "b": 165
  },
  "hsl": {
    "h": 237.333,
    "s": 37.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.47037,
    "c": 0.13585,
    "h": 277.8
  },
  "luminance": 0.09804
}

Semantic roles & 50–950 ramp

primary

#4B4FA5

secondary

#BDBB8F

accent

#C85ACD

background

#F8F7FB

surface

#F0EEF7

border

#CBC9D0

text

#0B0A12

muted

#7C7C81

Preview Lab

Preview with #4B4FA5

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

Preview Lab → · Contrast checker → · Palette generator →