#4B70DD#4B70DD

#4B70DD is a mid, vivid blue. Relative luminance 0.183; OKLCH L 57.6% C 0.171 H 266.8°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#4B70DD
RGB	rgb(75, 112, 221)
HSL	hsl(225, 68%, 58%)
HSV	hsv(225, 66%, 87%)
CMYK	cmyk(66.1%, 49.3%, 0%, 13.3%)
CIE-LAB	lab(49.86, 21.91, -59.70)
CIE-LCH	lch(49.86, 63.59, 290.15°)
OKLab	oklab(57.57% -0.0094 -0.1712)
OKLCH	oklch(57.57% 0.171 266.8)
XYZ	xyz(21.7425, 18.3026, 70.7795)
Luminance	0.1830 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B70DD #DDB84B

analogous

#4BB9DD #4B70DD #6F4BDD

triadic

#4B70DD #DD4B70 #70DD4B

tetradic

#4B70DD #DD4BB9 #DDB84B #4BDD6F

square

#4B70DD #DD4BB9 #DDB84B #4BDD6F

split-complementary

#4B70DD #DD6F4B #B9DD4B

monochromatic

#1C3A92 #254EC5 #4B70DD #7E99E7 #B2C2F0

Accessibility & contrast

On white

4.51

#4B70DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#4B70DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B70DD

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B70DD	#FFFFFF	#000000	##000000
##4B70DD	1.00	4.51	4.66	4.66
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#337EE1

Deuteranopia (green-blind)

#0270DB

Tritanopia (blue-blind)

#00899C

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4b70dd;
/* rgb */ color: rgb(75, 112, 221);
/* oklch */ color: oklch(57.6% 0.171 266.8);

Tailwind

colors: {
  custom: {
    50: '#8c98e8',
    500: '#4b70dd',
    950: '#000000',
  },
}

SCSS

$custom: #4b70dd;
$custom-light: #8c98e8;
$custom-dark: #000000;

JSON

{
  "hex": "#4b70dd",
  "rgb": {
    "r": 75,
    "g": 112,
    "b": 221
  },
  "hsl": {
    "h": 224.795,
    "s": 68.224,
    "l": 58.039
  },
  "oklch": {
    "l": 0.57565,
    "c": 0.17145,
    "h": 266.8
  },
  "luminance": 0.18305
}

Semantic roles & 50–950 ramp

primary

#4B70DD

secondary

#DFD0A5

accent

#BF3DEB

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4B70DD

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

Preview Lab → · Contrast checker → · Palette generator →