#4563B1#4563B1

#4563B1 is a mid, vivid blue. Relative luminance 0.134; OKLCH L 51.6% C 0.128 H 266.2°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#4563B1
RGB	rgb(69, 99, 177)
HSL	hsl(223, 44%, 48%)
HSV	hsv(223, 61%, 69%)
CMYK	cmyk(61%, 44.1%, 0%, 30.6%)
CIE-LAB	lab(43.30, 13.67, -44.92)
CIE-LCH	lch(43.30, 46.96, 286.93°)
OKLab	oklab(51.6% -0.0085 -0.128)
OKLCH	oklch(51.6% 0.128 266.2)
XYZ	xyz(14.8492, 13.3620, 43.3830)
Luminance	0.1336 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4563B1 #B19345

analogous

#4599B1 #4563B1 #5D45B1

triadic

#4563B1 #B14563 #63B145

tetradic

#4563B1 #B14599 #B19345 #45B15D

square

#4563B1 #B14599 #B19345 #45B15D

split-complementary

#4563B1 #B15D45 #99B145

monochromatic

#233259 #344A85 #4563B1 #6D86C6 #99AAD7

Accessibility & contrast

On white

5.72

#4563B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#4563B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4563B1

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4563B1	#FFFFFF	#000000	##FFFFFF
##4563B1	1.00	5.72	3.67	5.72
#FFFFFF	5.72	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F6CB4

Deuteranopia (green-blind)

#3062AF

Tritanopia (blue-blind)

#007581

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #4563b1;
/* rgb */ color: rgb(69, 99, 177);
/* oklch */ color: oklch(51.6% 0.128 266.2);

Tailwind

colors: {
  custom: {
    50: '#828fc9',
    500: '#4563b1',
    950: '#000000',
  },
}

SCSS

$custom: #4563b1;
$custom-light: #828fc9;
$custom-dark: #000000;

JSON

{
  "hex": "#4563b1",
  "rgb": {
    "r": 69,
    "g": 99,
    "b": 177
  },
  "hsl": {
    "h": 223.333,
    "s": 43.902,
    "l": 48.235
  },
  "oklch": {
    "l": 0.51599,
    "c": 0.12832,
    "h": 266.2
  },
  "luminance": 0.13363
}

Semantic roles & 50–950 ramp

primary

#4563B1

secondary

#C3B58E

accent

#B054D4

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #4563B1

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

Preview Lab → · Contrast checker → · Palette generator →