#4C70BF#4C70BF

#4C70BF is a mid, vivid blue. Relative luminance 0.169; OKLCH L 55.7% C 0.130 H 264.2°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#4C70BF
RGB	rgb(76, 112, 191)
HSL	hsl(221, 47%, 52%)
HSV	hsv(221, 60%, 75%)
CMYK	cmyk(60.2%, 41.4%, 0%, 25.1%)
CIE-LAB	lab(48.11, 11.71, -45.37)
CIE-LCH	lch(48.11, 46.85, 284.47°)
OKLab	oklab(55.66% -0.0132 -0.1291)
OKLCH	oklch(55.66% 0.13 264.2)
XYZ	xyz(18.1754, 16.8849, 51.5814)
Luminance	0.1689 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C70BF #BF9B4C

analogous

#4CAABF #4C70BF #614CBF

triadic

#4C70BF #BF4C70 #70BF4C

tetradic

#4C70BF #BF4CAA #BF9B4C #4CBF61

square

#4C70BF #BF4CAA #BF9B4C #4CBF61

split-complementary

#4C70BF #BF614C #AABF4C

monochromatic

#263C6B #365598 #4C70BF #7994CF #A6B8DF

Accessibility & contrast

On white

4.80

#4C70BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#4C70BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C70BF

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C70BF	#FFFFFF	#000000	##FFFFFF
##4C70BF	1.00	4.80	4.38	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D78C2

Deuteranopia (green-blind)

#3D6DBD

Tritanopia (blue-blind)

#00828E

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #4c70bf;
/* rgb */ color: rgb(76, 112, 191);
/* oklch */ color: oklch(55.7% 0.130 264.2);

Tailwind

colors: {
  custom: {
    50: '#8898d3',
    500: '#4c70bf',
    950: '#000000',
  },
}

SCSS

$custom: #4c70bf;
$custom-light: #8898d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4c70bf",
  "rgb": {
    "r": 76,
    "g": 112,
    "b": 191
  },
  "hsl": {
    "h": 221.217,
    "s": 47.325,
    "l": 52.353
  },
  "oklch": {
    "l": 0.55662,
    "c": 0.12973,
    "h": 264.2
  },
  "luminance": 0.16886
}

Semantic roles & 50–950 ramp

primary

#4C70BF

secondary

#CCBD9A

accent

#AD51D7

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #4C70BF

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

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