#4070C7#4070C7

#4070C7 is a mid, vivid blue. Relative luminance 0.168; OKLCH L 55.6% C 0.145 H 261.2°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#4070C7
RGB	rgb(64, 112, 199)
HSL	hsl(219, 55%, 52%)
HSV	hsv(219, 68%, 78%)
CMYK	cmyk(67.8%, 43.7%, 0%, 22%)
CIE-LAB	lab(48.01, 12.37, -50.17)
CIE-LCH	lch(48.01, 51.68, 283.85°)
OKLab	oklab(55.57% -0.0221 -0.1434)
OKLCH	oklch(55.57% 0.145 261.2)
XYZ	xyz(18.2137, 16.8000, 56.3046)
Luminance	0.1680 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4070C7 #C79740

analogous

#40B3C7 #4070C7 #5440C7

triadic

#4070C7 #C74070 #70C740

tetradic

#4070C7 #C740B3 #C79740 #40C754

square

#4070C7 #C740B3 #C79740 #40C754

split-complementary

#4070C7 #C75440 #B3C740

monochromatic

#203B6D #2E559C #4070C7 #6F93D5 #9FB7E3

Accessibility & contrast

On white

4.82

#4070C7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#4070C7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4070C7

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4070C7	#FFFFFF	#000000	##FFFFFF
##4070C7	1.00	4.82	4.36	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4679CA

Deuteranopia (green-blind)

#2F6CC5

Tritanopia (blue-blind)

#008492

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #4070c7;
/* rgb */ color: rgb(64, 112, 199);
/* oklch */ color: oklch(55.6% 0.145 261.2);

Tailwind

colors: {
  custom: {
    50: '#8398d8',
    500: '#4070c7',
    950: '#000000',
  },
}

SCSS

$custom: #4070c7;
$custom-light: #8398d8;
$custom-dark: #000000;

JSON

{
  "hex": "#4070c7",
  "rgb": {
    "r": 64,
    "g": 112,
    "b": 199
  },
  "hsl": {
    "h": 218.667,
    "s": 54.656,
    "l": 51.569
  },
  "oklch": {
    "l": 0.55573,
    "c": 0.14507,
    "h": 261.2
  },
  "luminance": 0.16802
}

Semantic roles & 50–950 ramp

primary

#4070C7

secondary

#CFBA94

accent

#A94ADE

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #4070C7

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

Preview Lab → · Contrast checker → · Palette generator →