#4B5A90#4B5A90

#4B5A90 is a mid, moderate blue. Relative luminance 0.108; OKLCH L 48.0% C 0.089 H 271.0°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#4B5A90
RGB	rgb(75, 90, 144)
HSL	hsl(227, 32%, 43%)
HSV	hsv(227, 48%, 56%)
CMYK	cmyk(47.9%, 37.5%, 0%, 43.5%)
CIE-LAB	lab(39.28, 9.68, -31.66)
CIE-LCH	lch(39.28, 33.11, 287.00°)
OKLab	oklab(48% 0.0015 -0.0892)
OKLCH	oklch(48% 0.089 271)
XYZ	xyz(11.5903, 10.8211, 27.8581)
Luminance	0.1082 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B5A90 #90814B

analogous

#4B7C90 #4B5A90 #5F4B90

triadic

#4B5A90 #904B5A #5A904B

tetradic

#4B5A90 #904B7C #90814B #4B905F

square

#4B5A90 #904B7C #90814B #4B905F

split-complementary

#4B5A90 #905F4B #7C904B

monochromatic

#212840 #364168 #4B5A90 #6878B0 #909CC5

Accessibility & contrast

On white

6.64

#4B5A90 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#4B5A90 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B5A90

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B5A90	#FFFFFF	#000000	##FFFFFF
##4B5A90	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#466092

Deuteranopia (green-blind)

#3F5A8F

Tritanopia (blue-blind)

#31656E

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #4b5a90;
/* rgb */ color: rgb(75, 90, 144);
/* oklch */ color: oklch(48.0% 0.089 271.0);

Tailwind

colors: {
  custom: {
    50: '#8188b1',
    500: '#4b5a90',
    950: '#000000',
  },
}

SCSS

$custom: #4b5a90;
$custom-light: #8188b1;
$custom-dark: #000000;

JSON

{
  "hex": "#4b5a90",
  "rgb": {
    "r": 75,
    "g": 90,
    "b": 144
  },
  "hsl": {
    "h": 226.957,
    "s": 31.507,
    "l": 42.941
  },
  "oklch": {
    "l": 0.47999,
    "c": 0.08922,
    "h": 271
  },
  "luminance": 0.10822
}

Semantic roles & 50–950 ramp

primary

#4B5A90

secondary

#B1A885

accent

#B160C8

background

#F8F8FA

surface

#EFEFF5

border

#CACACF

text

#0B0B10

muted

#7C7C7F

Preview Lab

Preview with #4B5A90

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

Preview Lab → · Contrast checker → · Palette generator →