#4070D5#4070D5

#4070D5 is a mid, vivid blue. Relative luminance 0.175; OKLCH L 56.5% C 0.164 H 263.1°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#4070D5
RGB	rgb(64, 112, 213)
HSL	hsl(221, 64%, 54%)
HSV	hsv(221, 70%, 84%)
CMYK	cmyk(70%, 47.4%, 0%, 16.5%)
CIE-LAB	lab(48.86, 17.40, -56.80)
CIE-LCH	lch(48.86, 59.41, 287.03°)
OKLab	oklab(56.5% -0.0198 -0.1629)
OKLCH	oklch(56.5% 0.164 263.1)
XYZ	xyz(19.9145, 17.4804, 65.2624)
Luminance	0.1748 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4070D5 #D5A540

analogous

#40BBD5 #4070D5 #5B40D5

triadic

#4070D5 #D54070 #70D540

tetradic

#4070D5 #D540BB #D5A540 #40D55B

square

#4070D5 #D540BB #D5A540 #40D55B

split-complementary

#4070D5 #D55B40 #BBD540

monochromatic

#1C3C7F #2753B1 #4070D5 #7296E0 #A4BBEB

Accessibility & contrast

On white

4.67

#4070D5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#4070D5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4070D5

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4070D5	#FFFFFF	#000000	##FFFFFF
##4070D5	1.00	4.67	4.50	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A7BD9

Deuteranopia (green-blind)

#136ED3

Tritanopia (blue-blind)

#008898

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4070d5;
/* rgb */ color: rgb(64, 112, 213);
/* oklch */ color: oklch(56.5% 0.164 263.1);

Tailwind

colors: {
  custom: {
    50: '#8698e2',
    500: '#4070d5',
    950: '#000000',
  },
}

SCSS

$custom: #4070d5;
$custom-light: #8698e2;
$custom-dark: #000000;

JSON

{
  "hex": "#4070d5",
  "rgb": {
    "r": 64,
    "g": 112,
    "b": 213
  },
  "hsl": {
    "h": 220.671,
    "s": 63.948,
    "l": 54.314
  },
  "oklch": {
    "l": 0.56503,
    "c": 0.16407,
    "h": 263.1
  },
  "luminance": 0.17482
}

Semantic roles & 50–950 ramp

primary

#4070D5

secondary

#D8C499

accent

#B141E7

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #4070D5

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

Preview Lab → · Contrast checker → · Palette generator →