#4B59A8#4B59A8

#4B59A8 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.3% C 0.126 H 273.3°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#4B59A8
RGB	rgb(75, 89, 168)
HSL	hsl(231, 38%, 48%)
HSV	hsv(231, 55%, 66%)
CMYK	cmyk(55.4%, 47%, 0%, 34.1%)
CIE-LAB	lab(40.36, 18.22, -44.31)
CIE-LCH	lch(40.36, 47.91, 292.35°)
OKLab	oklab(49.27% 0.0074 -0.1262)
OKLCH	oklch(49.27% 0.126 273.3)
XYZ	xyz(13.5396, 11.4668, 38.5380)
Luminance	0.1147 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B59A8 #A89A4B

analogous

#4B87A8 #4B59A8 #6C4BA8

triadic

#4B59A8 #A84B59 #59A84B

tetradic

#4B59A8 #A84B87 #A89A4B #4BA86C

square

#4B59A8 #A84B87 #A89A4B #4BA86C

split-complementary

#4B59A8 #A86C4B #87A84B

monochromatic

#252C53 #38437E #4B59A8 #717DBF #9BA3D2

Accessibility & contrast

On white

6.38

#4B59A8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#4B59A8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B59A8

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B59A8	#FFFFFF	#000000	##FFFFFF
##4B59A8	1.00	6.38	3.29	6.38
#FFFFFF	6.38	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3563AB

Deuteranopia (green-blind)

#295BA6

Tritanopia (blue-blind)

#1B6A78

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #4b59a8;
/* rgb */ color: rgb(75, 89, 168);
/* oklch */ color: oklch(49.3% 0.126 273.3);

Tailwind

colors: {
  custom: {
    50: '#8487c2',
    500: '#4b59a8',
    950: '#000000',
  },
}

SCSS

$custom: #4b59a8;
$custom-light: #8487c2;
$custom-dark: #000000;

JSON

{
  "hex": "#4b59a8",
  "rgb": {
    "r": 75,
    "g": 89,
    "b": 168
  },
  "hsl": {
    "h": 230.968,
    "s": 38.272,
    "l": 47.647
  },
  "oklch": {
    "l": 0.49267,
    "c": 0.12643,
    "h": 273.3
  },
  "luminance": 0.11468
}

Semantic roles & 50–950 ramp

primary

#4B59A8

secondary

#BFB890

accent

#BD5ACE

background

#F8F8FC

surface

#F0EFF8

border

#CBCAD1

text

#0B0B12

muted

#7C7C81

Preview Lab

Preview with #4B59A8

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

Preview Lab → · Contrast checker → · Palette generator →