#4070DC#4070DC

#4070DC is a mid, vivid blue. Relative luminance 0.178; OKLCH L 57.0% C 0.173 H 263.8°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#4070DC
RGB	rgb(64, 112, 220)
HSL	hsl(222, 69%, 56%)
HSV	hsv(222, 71%, 86%)
CMYK	cmyk(70.9%, 49.1%, 0%, 13.7%)
CIE-LAB	lab(49.31, 19.93, -60.05)
CIE-LCH	lch(49.31, 63.27, 288.36°)
OKLab	oklab(56.99% -0.0188 -0.1724)
OKLCH	oklch(56.99% 0.173 263.8)
XYZ	xyz(20.8222, 17.8434, 70.0430)
Luminance	0.1785 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4070DC #DCAC40

analogous

#40BEDC #4070DC #5E40DC

triadic

#4070DC #DC4070 #70DC40

tetradic

#4070DC #DC40BE #DCAC40 #40DC5E

square

#4070DC #DC40BE #DCAC40 #40DC5E

split-complementary

#4070DC #DC5E40 #BEDC40

monochromatic

#193B89 #2352BC #4070DC #7497E5 #A7BDEF

Accessibility & contrast

On white

4.60

#4070DC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#4070DC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4070DC

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4070DC	#FFFFFF	#000000	##FFFFFF
##4070DC	1.00	4.60	4.57	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#327DE0

Deuteranopia (green-blind)

#006EDA

Tritanopia (blue-blind)

#008A9B

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4070dc;
/* rgb */ color: rgb(64, 112, 220);
/* oklch */ color: oklch(57.0% 0.173 263.8);

Tailwind

colors: {
  custom: {
    50: '#8798e7',
    500: '#4070dc',
    950: '#000000',
  },
}

SCSS

$custom: #4070dc;
$custom-light: #8798e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4070dc",
  "rgb": {
    "r": 64,
    "g": 112,
    "b": 220
  },
  "hsl": {
    "h": 221.538,
    "s": 69.027,
    "l": 55.686
  },
  "oklch": {
    "l": 0.56987,
    "c": 0.17347,
    "h": 263.8
  },
  "luminance": 0.17846
}

Semantic roles & 50–950 ramp

primary

#4070DC

secondary

#DCC89B

accent

#B63CEC

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4070DC

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

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