#4070DF#4070DF

#4070DF is a mid, vivid blue. Relative luminance 0.180; OKLCH L 57.2% C 0.177 H 264.0°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#4070DF
RGB	rgb(64, 112, 223)
HSL	hsl(222, 71%, 56%)
HSV	hsv(222, 71%, 87%)
CMYK	cmyk(71.3%, 49.8%, 0%, 12.5%)
CIE-LAB	lab(49.50, 21.01, -61.43)
CIE-LCH	lch(49.50, 64.93, 288.88°)
OKLab	oklab(57.2% -0.0185 -0.1765)
OKLCH	oklch(57.2% 0.177 264)
XYZ	xyz(21.2231, 18.0038, 72.1543)
Luminance	0.1801 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4070DF #DFAF40

analogous

#40BFDF #4070DF #6040DF

triadic

#4070DF #DF4070 #70DF40

tetradic

#4070DF #DF40BF #DFAF40 #40DF60

square

#4070DF #DF40BF #DFAF40 #40DF60

split-complementary

#4070DF #DF6040 #BFDF40

monochromatic

#183B8D #2051C1 #4070DF #7497E8 #A9BEF1

Accessibility & contrast

On white

4.56

#4070DF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#4070DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4070DF

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4070DF	#FFFFFF	#000000	##000000
##4070DF	1.00	4.56	4.60	4.60
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E7DE3

Deuteranopia (green-blind)

#006FDD

Tritanopia (blue-blind)

#008A9D

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4070df;
/* rgb */ color: rgb(64, 112, 223);
/* oklch */ color: oklch(57.2% 0.177 264.0);

Tailwind

colors: {
  custom: {
    50: '#8898ea',
    500: '#4070df',
    950: '#000000',
  },
}

SCSS

$custom: #4070df;
$custom-light: #8898ea;
$custom-dark: #000000;

JSON

{
  "hex": "#4070df",
  "rgb": {
    "r": 64,
    "g": 112,
    "b": 223
  },
  "hsl": {
    "h": 221.887,
    "s": 71.3,
    "l": 56.275
  },
  "oklch": {
    "l": 0.57198,
    "c": 0.17747,
    "h": 264
  },
  "luminance": 0.18006
}

Semantic roles & 50–950 ramp

primary

#4070DF

secondary

#DECA9D

accent

#B83AEE

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4070DF

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

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