#4571BD#4571BD

#4571BD is a mid, vivid blue. Relative luminance 0.168; OKLCH L 55.4% C 0.128 H 260.6°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#4571BD
RGB	rgb(69, 113, 189)
HSL	hsl(218, 48%, 51%)
HSV	hsv(218, 63%, 74%)
CMYK	cmyk(63.5%, 40.2%, 0%, 25.9%)
CIE-LAB	lab(47.94, 9.06, -44.51)
CIE-LCH	lch(47.94, 45.42, 281.51°)
OKLab	oklab(55.4% -0.0209 -0.1267)
OKLCH	oklch(55.4% 0.128 260.6)
XYZ	xyz(17.5414, 16.7480, 50.4425)
Luminance	0.1675 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4571BD #BD9145

analogous

#45ADBD #4571BD #5545BD

triadic

#4571BD #BD4571 #71BD45

tetradic

#4571BD #BD45AD #BD9145 #45BD55

square

#4571BD #BD45AD #BD9145 #45BD55

split-complementary

#4571BD #BD5545 #ADBD45

monochromatic

#243B64 #345691 #4571BD #7293CD #9FB6DD

Accessibility & contrast

On white

4.83

#4571BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#4571BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4571BD

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4571BD	#FFFFFF	#000000	##FFFFFF
##4571BD	1.00	4.83	4.35	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F78C0

Deuteranopia (green-blind)

#3E6DBB

Tritanopia (blue-blind)

#00828E

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #4571bd;
/* rgb */ color: rgb(69, 113, 189);
/* oklch */ color: oklch(55.4% 0.128 260.6);

Tailwind

colors: {
  custom: {
    50: '#8499d1',
    500: '#4571bd',
    950: '#000000',
  },
}

SCSS

$custom: #4571bd;
$custom-light: #8499d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4571bd",
  "rgb": {
    "r": 69,
    "g": 113,
    "b": 189
  },
  "hsl": {
    "h": 218,
    "s": 47.619,
    "l": 50.588
  },
  "oklch": {
    "l": 0.55398,
    "c": 0.12838,
    "h": 260.6
  },
  "luminance": 0.1675
}

Semantic roles & 50–950 ramp

primary

#4571BD

secondary

#CAB694

accent

#A651D7

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0D14

muted

#7D7E82

Preview Lab

Preview with #4571BD

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

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