#4070D7#4070D7

#4070D7 is a mid, vivid blue. Relative luminance 0.176; OKLCH L 56.6% C 0.167 H 263.3°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#4070D7
RGB	rgb(64, 112, 215)
HSL	hsl(221, 65%, 55%)
HSV	hsv(221, 70%, 84%)
CMYK	cmyk(70.2%, 47.9%, 0%, 15.7%)
CIE-LAB	lab(48.99, 18.12, -57.73)
CIE-LCH	lch(48.99, 60.51, 287.43°)
OKLab	oklab(56.64% -0.0195 -0.1656)
OKLCH	oklch(56.64% 0.167 263.3)
XYZ	xyz(20.1699, 17.5825, 66.6076)
Luminance	0.1759 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4070D7 #D7A740

analogous

#40BCD7 #4070D7 #5C40D7

triadic

#4070D7 #D74070 #70D740

tetradic

#4070D7 #D740BC #D7A740 #40D75C

square

#4070D7 #D740BC #D7A740 #40D75C

split-complementary

#4070D7 #D75C40 #BCD740

monochromatic

#1B3C81 #2653B4 #4070D7 #7396E2 #A5BCEC

Accessibility & contrast

On white

4.65

#4070D7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#4070D7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4070D7

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4070D7	#FFFFFF	#000000	##FFFFFF
##4070D7	1.00	4.65	4.52	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#387CDB

Deuteranopia (green-blind)

#0B6ED5

Tritanopia (blue-blind)

#008899

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4070d7;
/* rgb */ color: rgb(64, 112, 215);
/* oklch */ color: oklch(56.6% 0.167 263.3);

Tailwind

colors: {
  custom: {
    50: '#8698e4',
    500: '#4070d7',
    950: '#000000',
  },
}

SCSS

$custom: #4070d7;
$custom-light: #8698e4;
$custom-dark: #000000;

JSON

{
  "hex": "#4070d7",
  "rgb": {
    "r": 64,
    "g": 112,
    "b": 215
  },
  "hsl": {
    "h": 220.927,
    "s": 65.368,
    "l": 54.706
  },
  "oklch": {
    "l": 0.5664,
    "c": 0.16676,
    "h": 263.3
  },
  "luminance": 0.17585
}

Semantic roles & 50–950 ramp

primary

#4070D7

secondary

#D9C59A

accent

#B33FE8

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0D0D16

muted

#7D7E84

Preview Lab

Preview with #4070D7

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

Preview Lab → · Contrast checker → · Palette generator →