#4575CB#4575CB

#4575CB is a mid, vivid blue. Relative luminance 0.183; OKLCH L 57.1% C 0.143 H 261.1°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#4575CB
RGB	rgb(69, 117, 203)
HSL	hsl(219, 56%, 53%)
HSV	hsv(219, 66%, 80%)
CMYK	cmyk(66%, 42.4%, 0%, 20.4%)
CIE-LAB	lab(49.86, 11.50, -49.50)
CIE-LCH	lch(49.86, 50.82, 283.08°)
OKLab	oklab(57.13% -0.0221 -0.1412)
OKLCH	oklch(57.13% 0.143 261.1)
XYZ	xyz(19.5912, 18.2977, 58.9877)
Luminance	0.1830 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4575CB #CB9B45

analogous

#45B8CB #4575CB #5845CB

triadic

#4575CB #CB4575 #75CB45

tetradic

#4575CB #CB45B8 #CB9B45 #45CB58

square

#4575CB #CB45B8 #CB9B45 #45CB58

split-complementary

#4575CB #CB5845 #B8CB45

monochromatic

#213F75 #2E59A5 #4575CB #7598D8 #A5BCE6

Accessibility & contrast

On white

4.51

#4575CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#4575CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4575CB

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4575CB	#FFFFFF	#000000	##000000
##4575CB	1.00	4.51	4.66	4.66
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D7DCE

Deuteranopia (green-blind)

#3771C9

Tritanopia (blue-blind)

#008996

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4575cb;
/* rgb */ color: rgb(69, 117, 203);
/* oklch */ color: oklch(57.1% 0.143 261.1);

Tailwind

colors: {
  custom: {
    50: '#869cdb',
    500: '#4575cb',
    950: '#000000',
  },
}

SCSS

$custom: #4575cb;
$custom-light: #869cdb;
$custom-dark: #000000;

JSON

{
  "hex": "#4575cb",
  "rgb": {
    "r": 69,
    "g": 117,
    "b": 203
  },
  "hsl": {
    "h": 218.507,
    "s": 56.303,
    "l": 53.333
  },
  "oklch": {
    "l": 0.57134,
    "c": 0.14295,
    "h": 261.1
  },
  "luminance": 0.183
}

Semantic roles & 50–950 ramp

primary

#4575CB

secondary

#D3BE99

accent

#A948E0

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4575CB

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

Preview Lab → · Contrast checker → · Palette generator →