#4070CF#4070CF

#4070CF is a mid, vivid blue. Relative luminance 0.172; OKLCH L 56.1% C 0.156 H 262.4°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#4070CF
RGB	rgb(64, 112, 207)
HSL	hsl(220, 60%, 53%)
HSV	hsv(220, 69%, 81%)
CMYK	cmyk(69.1%, 45.9%, 0%, 18.8%)
CIE-LAB	lab(48.49, 15.24, -53.98)
CIE-LCH	lch(48.49, 56.09, 285.77°)
OKLab	oklab(56.1% -0.0207 -0.1546)
OKLCH	oklch(56.1% 0.156 262.4)
XYZ	xyz(19.1670, 17.1814, 61.3256)
Luminance	0.1718 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4070CF #CF9F40

analogous

#40B8CF #4070CF #5740CF

triadic

#4070CF #CF4070 #70CF40

tetradic

#4070CF #CF40B8 #CF9F40 #40CF57

square

#4070CF #CF40B8 #CF9F40 #40CF57

split-complementary

#4070CF #CF5740 #B8CF40

monochromatic

#1E3C77 #2A54A8 #4070CF #7195DB #A2B9E8

Accessibility & contrast

On white

4.73

#4070CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#4070CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4070CF

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4070CF	#FFFFFF	#000000	##FFFFFF
##4070CF	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#407AD3

Deuteranopia (green-blind)

#226DCD

Tritanopia (blue-blind)

#008695

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4070cf;
/* rgb */ color: rgb(64, 112, 207);
/* oklch */ color: oklch(56.1% 0.156 262.4);

Tailwind

colors: {
  custom: {
    50: '#8598de',
    500: '#4070cf',
    950: '#000000',
  },
}

SCSS

$custom: #4070cf;
$custom-light: #8598de;
$custom-dark: #000000;

JSON

{
  "hex": "#4070cf",
  "rgb": {
    "r": 64,
    "g": 112,
    "b": 207
  },
  "hsl": {
    "h": 219.86,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.56098,
    "c": 0.15595,
    "h": 262.4
  },
  "luminance": 0.17183
}

Semantic roles & 50–950 ramp

primary

#4070CF

secondary

#D4C097

accent

#AE45E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #4070CF

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

Preview Lab → · Contrast checker → · Palette generator →