#4570CA#4570CA

#4570CA is a mid, vivid blue. Relative luminance 0.171; OKLCH L 56.0% C 0.147 H 263.2°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#4570CA
RGB	rgb(69, 112, 202)
HSL	hsl(221, 56%, 53%)
HSV	hsv(221, 66%, 79%)
CMYK	cmyk(65.8%, 44.6%, 0%, 20.8%)
CIE-LAB	lab(48.41, 14.26, -51.24)
CIE-LCH	lch(48.41, 53.19, 285.55°)
OKLab	oklab(56% -0.0174 -0.1464)
OKLCH	oklch(56% 0.147 263.2)
XYZ	xyz(18.9053, 17.1160, 58.1731)
Luminance	0.1712 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4570CA #CA9F45

analogous

#45B2CA #4570CA #5C45CA

triadic

#4570CA #CA4570 #70CA45

tetradic

#4570CA #CA45B2 #CA9F45 #45CA5C

square

#4570CA #CA45B2 #CA9F45 #45CA5C

split-complementary

#4570CA #CA5C45 #B2CA45

monochromatic

#213C74 #2F54A3 #4570CA #7595D8 #A4B9E5

Accessibility & contrast

On white

4.75

#4570CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#4570CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4570CA

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4570CA	#FFFFFF	#000000	##FFFFFF
##4570CA	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4479CD

Deuteranopia (green-blind)

#2D6DC8

Tritanopia (blue-blind)

#008593

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4570ca;
/* rgb */ color: rgb(69, 112, 202);
/* oklch */ color: oklch(56.0% 0.147 263.2);

Tailwind

colors: {
  custom: {
    50: '#8698db',
    500: '#4570ca',
    950: '#000000',
  },
}

SCSS

$custom: #4570ca;
$custom-light: #8698db;
$custom-dark: #000000;

JSON

{
  "hex": "#4570ca",
  "rgb": {
    "r": 69,
    "g": 112,
    "b": 202
  },
  "hsl": {
    "h": 220.602,
    "s": 55.649,
    "l": 53.137
  },
  "oklch": {
    "l": 0.55998,
    "c": 0.14746,
    "h": 263.2
  },
  "luminance": 0.17118
}

Semantic roles & 50–950 ramp

primary

#4570CA

secondary

#D2C099

accent

#AE49DF

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #4570CA

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

Preview Lab → · Contrast checker → · Palette generator →