#4070C8#4070C8

#4070C8 is a mid, vivid blue. Relative luminance 0.168; OKLCH L 55.6% C 0.146 H 261.4°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#4070C8
RGB	rgb(64, 112, 200)
HSL	hsl(219, 55%, 52%)
HSV	hsv(219, 68%, 78%)
CMYK	cmyk(68%, 44%, 0%, 21.6%)
CIE-LAB	lab(48.07, 12.73, -50.65)
CIE-LCH	lch(48.07, 52.23, 284.11°)
OKLab	oklab(55.64% -0.0219 -0.1448)
OKLCH	oklch(55.64% 0.146 261.4)
XYZ	xyz(18.3301, 16.8466, 56.9181)
Luminance	0.1685 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4070C8 #C89840

analogous

#40B4C8 #4070C8 #5440C8

triadic

#4070C8 #C84070 #70C840

tetradic

#4070C8 #C840B4 #C89840 #40C854

square

#4070C8 #C840B4 #C89840 #40C854

split-complementary

#4070C8 #C85440 #B4C840

monochromatic

#203B6E #2D559D #4070C8 #7094D6 #9FB7E3

Accessibility & contrast

On white

4.81

#4070C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#4070C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4070C8

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4070C8	#FFFFFF	#000000	##FFFFFF
##4070C8	1.00	4.81	4.37	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4579CB

Deuteranopia (green-blind)

#2D6CC6

Tritanopia (blue-blind)

#008492

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #4070c8;
/* rgb */ color: rgb(64, 112, 200);
/* oklch */ color: oklch(55.6% 0.146 261.4);

Tailwind

colors: {
  custom: {
    50: '#8498d9',
    500: '#4070c8',
    950: '#000000',
  },
}

SCSS

$custom: #4070c8;
$custom-light: #8498d9;
$custom-dark: #000000;

JSON

{
  "hex": "#4070c8",
  "rgb": {
    "r": 64,
    "g": 112,
    "b": 200
  },
  "hsl": {
    "h": 218.824,
    "s": 55.285,
    "l": 51.765
  },
  "oklch": {
    "l": 0.55638,
    "c": 0.14644,
    "h": 261.4
  },
  "luminance": 0.16848
}

Semantic roles & 50–950 ramp

primary

#4070C8

secondary

#D0BB94

accent

#AA49DF

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #4070C8

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

Preview Lab → · Contrast checker → · Palette generator →