#4571DB#4571DB

#4571DB is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.3% C 0.169 H 264.7°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#4571DB
RGB	rgb(69, 113, 219)
HSL	hsl(222, 68%, 56%)
HSV	hsv(222, 68%, 86%)
CMYK	cmyk(68.5%, 48.4%, 0%, 14.1%)
CIE-LAB	lab(49.72, 19.66, -58.80)
CIE-LCH	lch(49.72, 62.00, 288.48°)
OKLab	oklab(57.34% -0.0158 -0.1687)
OKLCH	oklch(57.34% 0.169 264.7)
XYZ	xyz(21.1411, 18.1878, 69.4005)
Luminance	0.1819 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4571DB #DBAF45

analogous

#45BCDB #4571DB #6445DB

triadic

#4571DB #DB4571 #71DB45

tetradic

#4571DB #DB45BC #DBAF45 #45DB64

square

#4571DB #DB45BC #DBAF45 #45DB64

split-complementary

#4571DB #DB6445 #BCDB45

monochromatic

#1B3C8B #2552BE #4571DB #7898E5 #ACBFEF

Accessibility & contrast

On white

4.53

#4571DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#4571DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4571DB

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4571DB	#FFFFFF	#000000	##000000
##4571DB	1.00	4.53	4.64	4.64
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#377EDF

Deuteranopia (green-blind)

#0870D9

Tritanopia (blue-blind)

#008A9B

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4571db;
/* rgb */ color: rgb(69, 113, 219);
/* oklch */ color: oklch(57.3% 0.169 264.7);

Tailwind

colors: {
  custom: {
    50: '#8999e7',
    500: '#4571db',
    950: '#000000',
  },
}

SCSS

$custom: #4571db;
$custom-light: #8999e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4571db",
  "rgb": {
    "r": 69,
    "g": 113,
    "b": 219
  },
  "hsl": {
    "h": 222.4,
    "s": 67.568,
    "l": 56.471
  },
  "oklch": {
    "l": 0.57343,
    "c": 0.1694,
    "h": 264.7
  },
  "luminance": 0.1819
}

Semantic roles & 50–950 ramp

primary

#4571DB

secondary

#DDCB9F

accent

#B83DEA

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4571DB

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

Preview Lab → · Contrast checker → · Palette generator →