#4575BB#4575BB

#4575BB is a mid, vivid blue. Relative luminance 0.176; OKLCH L 56.2% C 0.121 H 257.8°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#4575BB
RGB	rgb(69, 117, 187)
HSL	hsl(216, 46%, 50%)
HSV	hsv(216, 63%, 73%)
CMYK	cmyk(63.1%, 37.4%, 0%, 26.7%)
CIE-LAB	lab(48.98, 5.90, -41.72)
CIE-LCH	lch(48.98, 42.13, 278.05°)
OKLab	oklab(56.17% -0.0256 -0.1184)
OKLCH	oklch(56.17% 0.121 257.8)
XYZ	xyz(17.7820, 17.5740, 49.4591)
Luminance	0.1758 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4575BB #BB8B45

analogous

#45B0BB #4575BB #5045BB

triadic

#4575BB #BB4575 #75BB45

tetradic

#4575BB #BB45B0 #BB8B45 #45BB50

square

#4575BB #BB45B0 #BB8B45 #45BB50

split-complementary

#4575BB #BB5045 #B0BB45

monochromatic

#243D62 #34598F #4575BB #7296CB #9FB8DC

Accessibility & contrast

On white

4.65

#4575BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#4575BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4575BB

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4575BB	#FFFFFF	#000000	##FFFFFF
##4575BB	1.00	4.65	4.52	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#577ABE

Deuteranopia (green-blind)

#466FBA

Tritanopia (blue-blind)

#00858F

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4575bb;
/* rgb */ color: rgb(69, 117, 187);
/* oklch */ color: oklch(56.2% 0.121 257.8);

Tailwind

colors: {
  custom: {
    50: '#849cd0',
    500: '#4575bb',
    950: '#000000',
  },
}

SCSS

$custom: #4575bb;
$custom-light: #849cd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4575bb",
  "rgb": {
    "r": 69,
    "g": 117,
    "b": 187
  },
  "hsl": {
    "h": 215.593,
    "s": 46.457,
    "l": 50.196
  },
  "oklch": {
    "l": 0.56166,
    "c": 0.12115,
    "h": 257.8
  },
  "luminance": 0.17576
}

Semantic roles & 50–950 ramp

primary

#4575BB

secondary

#C8B394

accent

#A052D6

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4575BB

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

Preview Lab → · Contrast checker → · Palette generator →