#4C70CB#4C70CB

#4C70CB is a mid, vivid blue. Relative luminance 0.174; OKLCH L 56.4% C 0.146 H 265.7°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#4C70CB
RGB	rgb(76, 112, 203)
HSL	hsl(223, 55%, 55%)
HSV	hsv(223, 63%, 80%)
CMYK	cmyk(62.6%, 44.8%, 0%, 20.4%)
CIE-LAB	lab(48.80, 15.82, -51.16)
CIE-LCH	lch(48.80, 53.55, 287.19°)
OKLab	oklab(56.41% -0.011 -0.1461)
OKLCH	oklch(56.41% 0.146 265.7)
XYZ	xyz(19.5504, 17.4349, 58.8233)
Luminance	0.1744 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C70CB #CBA74C

analogous

#4CB0CB #4C70CB #684CCB

triadic

#4C70CB #CB4C70 #70CB4C

tetradic

#4C70CB #CB4CB0 #CBA74C #4CCB68

square

#4C70CB #CB4CB0 #CBA74C #4CCB68

split-complementary

#4C70CB #CB684C #B0CB4C

monochromatic

#233C79 #3153A9 #4C70CB #7B96D9 #ABBCE7

Accessibility & contrast

On white

4.68

#4C70CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#4C70CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C70CB

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C70CB	#FFFFFF	#000000	##FFFFFF
##4C70CB	1.00	4.68	4.49	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#457ACE

Deuteranopia (green-blind)

#306FC9

Tritanopia (blue-blind)

#008593

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4c70cb;
/* rgb */ color: rgb(76, 112, 203);
/* oklch */ color: oklch(56.4% 0.146 265.7);

Tailwind

colors: {
  custom: {
    50: '#8a98db',
    500: '#4c70cb',
    950: '#000000',
  },
}

SCSS

$custom: #4c70cb;
$custom-light: #8a98db;
$custom-dark: #000000;

JSON

{
  "hex": "#4c70cb",
  "rgb": {
    "r": 76,
    "g": 112,
    "b": 203
  },
  "hsl": {
    "h": 222.992,
    "s": 54.978,
    "l": 54.706
  },
  "oklch": {
    "l": 0.56414,
    "c": 0.14647,
    "h": 265.7
  },
  "luminance": 0.17437
}

Semantic roles & 50–950 ramp

primary

#4C70CB

secondary

#D4C59F

accent

#B449DE

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #4C70CB

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

Preview Lab → · Contrast checker → · Palette generator →