#4070CC#4070CC

#4070CC is a mid, vivid blue. Relative luminance 0.170; OKLCH L 55.9% C 0.152 H 262.0°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#4070CC
RGB	rgb(64, 112, 204)
HSL	hsl(219, 58%, 53%)
HSV	hsv(219, 69%, 80%)
CMYK	cmyk(68.6%, 45.1%, 0%, 20%)
CIE-LAB	lab(48.31, 14.16, -52.56)
CIE-LCH	lch(48.31, 54.43, 285.08°)
OKLab	oklab(55.9% -0.0212 -0.1504)
OKLCH	oklch(55.9% 0.152 262)
XYZ	xyz(18.8037, 17.0361, 59.4123)
Luminance	0.1704 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4070CC #CC9C40

analogous

#40B6CC #4070CC #5640CC

triadic

#4070CC #CC4070 #70CC40

tetradic

#4070CC #CC40B6 #CC9C40 #40CC56

square

#4070CC #CC40B6 #CC9C40 #40CC56

split-complementary

#4070CC #CC5640 #B6CC40

monochromatic

#1F3C73 #2C55A3 #4070CC #7094D9 #A1B8E6

Accessibility & contrast

On white

4.76

#4070CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#4070CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4070CC

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4070CC	#FFFFFF	#000000	##FFFFFF
##4070CC	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#427ACF

Deuteranopia (green-blind)

#276DCA

Tritanopia (blue-blind)

#008594

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4070cc;
/* rgb */ color: rgb(64, 112, 204);
/* oklch */ color: oklch(55.9% 0.152 262.0);

Tailwind

colors: {
  custom: {
    50: '#8498dc',
    500: '#4070cc',
    950: '#000000',
  },
}

SCSS

$custom: #4070cc;
$custom-light: #8498dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4070cc",
  "rgb": {
    "r": 64,
    "g": 112,
    "b": 204
  },
  "hsl": {
    "h": 219.429,
    "s": 57.851,
    "l": 52.549
  },
  "oklch": {
    "l": 0.55899,
    "c": 0.15188,
    "h": 262
  },
  "luminance": 0.17038
}

Semantic roles & 50–950 ramp

primary

#4070CC

secondary

#D2BD95

accent

#AC47E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #4070CC

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

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