#4571CE#4571CE

#4571CE is a mid, vivid blue. Relative luminance 0.175; OKLCH L 56.5% C 0.152 H 263.3°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#4571CE
RGB	rgb(69, 113, 206)
HSL	hsl(221, 58%, 54%)
HSV	hsv(221, 67%, 81%)
CMYK	cmyk(66.5%, 45.1%, 0%, 19.2%)
CIE-LAB	lab(48.92, 15.04, -52.70)
CIE-LCH	lch(48.92, 54.81, 285.93°)
OKLab	oklab(56.47% -0.0177 -0.1507)
OKLCH	oklch(56.47% 0.152 263.3)
XYZ	xyz(19.4960, 17.5298, 60.7367)
Luminance	0.1753 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4571CE #CEA245

analogous

#45B6CE #4571CE #5E45CE

triadic

#4571CE #CE4571 #71CE45

tetradic

#4571CE #CE45B6 #CEA245 #45CE5E

square

#4571CE #CE45B6 #CEA245 #45CE5E

split-complementary

#4571CE #CE5E45 #B6CE45

monochromatic

#203C79 #2D55A9 #4571CE #7596DB #A6BBE8

Accessibility & contrast

On white

4.66

#4571CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#4571CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4571CE

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4571CE	#FFFFFF	#000000	##FFFFFF
##4571CE	1.00	4.66	4.51	4.66
#FFFFFF	4.66	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#437BD2

Deuteranopia (green-blind)

#2A6ECC

Tritanopia (blue-blind)

#008695

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4571ce;
/* rgb */ color: rgb(69, 113, 206);
/* oklch */ color: oklch(56.5% 0.152 263.3);

Tailwind

colors: {
  custom: {
    50: '#8799dd',
    500: '#4571ce',
    950: '#000000',
  },
}

SCSS

$custom: #4571ce;
$custom-light: #8799dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4571ce",
  "rgb": {
    "r": 69,
    "g": 113,
    "b": 206
  },
  "hsl": {
    "h": 220.73,
    "s": 58.298,
    "l": 53.922
  },
  "oklch": {
    "l": 0.56471,
    "c": 0.15174,
    "h": 263.3
  },
  "luminance": 0.17532
}

Semantic roles & 50–950 ramp

primary

#4571CE

secondary

#D5C29A

accent

#B046E2

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #4571CE

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

Preview Lab → · Contrast checker → · Palette generator →