#4B70CC#4B70CC

#4B70CC is a mid, vivid blue. Relative luminance 0.174; OKLCH L 56.4% C 0.148 H 265.4°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#4B70CC
RGB	rgb(75, 112, 204)
HSL	hsl(223, 56%, 55%)
HSV	hsv(223, 63%, 80%)
CMYK	cmyk(63.2%, 45.1%, 0%, 20%)
CIE-LAB	lab(48.81, 15.99, -51.72)
CIE-LCH	lch(48.81, 54.14, 287.18°)
OKLab	oklab(56.43% -0.0118 -0.1477)
OKLCH	oklch(56.43% 0.148 265.4)
XYZ	xyz(19.5911, 17.4421, 59.4493)
Luminance	0.1744 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B70CC #CCA74B

analogous

#4BB0CC #4B70CC #674BCC

triadic

#4B70CC #CC4B70 #70CC4B

tetradic

#4B70CC #CC4BB0 #CCA74B #4BCC67

square

#4B70CC #CC4BB0 #CCA74B #4BCC67

split-complementary

#4B70CC #CC674B #B0CC4B

monochromatic

#233C7A #3053AA #4B70CC #7B96DA #AABCE7

Accessibility & contrast

On white

4.68

#4B70CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#4B70CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B70CC

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B70CC	#FFFFFF	#000000	##FFFFFF
##4B70CC	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)

#447ACF

Deuteranopia (green-blind)

#2E6ECA

Tritanopia (blue-blind)

#008594

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4b70cc;
/* rgb */ color: rgb(75, 112, 204);
/* oklch */ color: oklch(56.4% 0.148 265.4);

Tailwind

colors: {
  custom: {
    50: '#8998dc',
    500: '#4b70cc',
    950: '#000000',
  },
}

SCSS

$custom: #4b70cc;
$custom-light: #8998dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4b70cc",
  "rgb": {
    "r": 75,
    "g": 112,
    "b": 204
  },
  "hsl": {
    "h": 222.791,
    "s": 55.844,
    "l": 54.706
  },
  "oklch": {
    "l": 0.56427,
    "c": 0.14819,
    "h": 265.4
  },
  "luminance": 0.17444
}

Semantic roles & 50–950 ramp

primary

#4B70CC

secondary

#D5C59E

accent

#B449DF

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0D0D15

muted

#7D7E83

Preview Lab

Preview with #4B70CC

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

Preview Lab → · Contrast checker → · Palette generator →