#4570CE#4570CE

#4570CE is a mid, vivid blue. Relative luminance 0.173; OKLCH L 56.3% C 0.153 H 263.7°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#4570CE
RGB	rgb(69, 112, 206)
HSL	hsl(221, 58%, 54%)
HSV	hsv(221, 67%, 81%)
CMYK	cmyk(66.5%, 45.6%, 0%, 19.2%)
CIE-LAB	lab(48.65, 15.67, -53.15)
CIE-LCH	lch(48.65, 55.41, 286.43°)
OKLab	oklab(56.26% -0.0167 -0.152)
OKLCH	oklch(56.26% 0.153 263.7)
XYZ	xyz(19.3851, 17.3079, 60.6997)
Luminance	0.1731 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4570CE #CEA345

analogous

#45B5CE #4570CE #5F45CE

triadic

#4570CE #CE4570 #70CE45

tetradic

#4570CE #CE45B5 #CEA345 #45CE5F

square

#4570CE #CE45B5 #CEA345 #45CE5F

split-complementary

#4570CE #CE5F45 #B5CE45

monochromatic

#203C79 #2D54A9 #4570CE #7595DB #A6BAE8

Accessibility & contrast

On white

4.71

#4570CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#4570CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4570CE

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4570CE	#FFFFFF	#000000	##FFFFFF
##4570CE	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#417AD2

Deuteranopia (green-blind)

#276ECC

Tritanopia (blue-blind)

#008695

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4570ce;
/* rgb */ color: rgb(69, 112, 206);
/* oklch */ color: oklch(56.3% 0.153 263.7);

Tailwind

colors: {
  custom: {
    50: '#8798dd',
    500: '#4570ce',
    950: '#000000',
  },
}

SCSS

$custom: #4570ce;
$custom-light: #8798dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4570ce",
  "rgb": {
    "r": 69,
    "g": 112,
    "b": 206
  },
  "hsl": {
    "h": 221.168,
    "s": 58.298,
    "l": 53.922
  },
  "oklch": {
    "l": 0.5626,
    "c": 0.15295,
    "h": 263.7
  },
  "luminance": 0.1731
}

Semantic roles & 50–950 ramp

primary

#4570CE

secondary

#D5C29A

accent

#B146E2

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #4570CE

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

Preview Lab → · Contrast checker → · Palette generator →