#4571D3#4571D3

#4571D3 is a mid, vivid blue. Relative luminance 0.178; OKLCH L 56.8% C 0.159 H 263.9°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#4571D3
RGB	rgb(69, 113, 211)
HSL	hsl(221, 62%, 55%)
HSV	hsv(221, 67%, 83%)
CMYK	cmyk(67.3%, 46.4%, 0%, 17.3%)
CIE-LAB	lab(49.22, 16.82, -55.07)
CIE-LCH	lch(49.22, 57.58, 286.98°)
OKLab	oklab(56.8% -0.0169 -0.1577)
OKLCH	oklch(56.8% 0.159 263.9)
XYZ	xyz(20.1131, 17.7766, 63.9866)
Luminance	0.1778 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4571D3 #D3A745

analogous

#45B8D3 #4571D3 #6045D3

triadic

#4571D3 #D34571 #71D345

tetradic

#4571D3 #D345B8 #D3A745 #45D360

square

#4571D3 #D345B8 #D3A745 #45D360

split-complementary

#4571D3 #D36045 #B8D345

monochromatic

#1E3C7F #2A54B1 #4571D3 #7697DF #A8BDEA

Accessibility & contrast

On white

4.61

#4571D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#4571D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4571D3

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4571D3	#FFFFFF	#000000	##FFFFFF
##4571D3	1.00	4.61	4.56	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F7CD7

Deuteranopia (green-blind)

#216FD1

Tritanopia (blue-blind)

#008898

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4571d3;
/* rgb */ color: rgb(69, 113, 211);
/* oklch */ color: oklch(56.8% 0.159 263.9);

Tailwind

colors: {
  custom: {
    50: '#8899e1',
    500: '#4571d3',
    950: '#000000',
  },
}

SCSS

$custom: #4571d3;
$custom-light: #8899e1;
$custom-dark: #000000;

JSON

{
  "hex": "#4571d3",
  "rgb": {
    "r": 69,
    "g": 113,
    "b": 211
  },
  "hsl": {
    "h": 221.408,
    "s": 61.739,
    "l": 54.902
  },
  "oklch": {
    "l": 0.56801,
    "c": 0.15856,
    "h": 263.9
  },
  "luminance": 0.17779
}

Semantic roles & 50–950 ramp

primary

#4571D3

secondary

#D8C59C

accent

#B343E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0D0D15

muted

#7D7E83

Preview Lab

Preview with #4571D3

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

Preview Lab → · Contrast checker → · Palette generator →