#4B70BE#4B70BE

#4B70BE is a mid, vivid blue. Relative luminance 0.168; OKLCH L 55.5% C 0.129 H 263.6°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#4B70BE
RGB	rgb(75, 112, 190)
HSL	hsl(221, 47%, 52%)
HSV	hsv(221, 61%, 75%)
CMYK	cmyk(60.5%, 41.1%, 0%, 25.5%)
CIE-LAB	lab(48.01, 11.17, -44.96)
CIE-LCH	lch(48.01, 46.33, 283.95°)
OKLab	oklab(55.55% -0.0143 -0.1279)
OKLCH	oklch(55.55% 0.129 263.6)
XYZ	xyz(17.9869, 16.8004, 51.0001)
Luminance	0.1680 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B70BE #BE994B

analogous

#4BA9BE #4B70BE #604BBE

triadic

#4B70BE #BE4B70 #70BE4B

tetradic

#4B70BE #BE4BA9 #BE994B #4BBE60

square

#4B70BE #BE4BA9 #BE994B #4BBE60

split-complementary

#4B70BE #BE604B #A9BE4B

monochromatic

#263B69 #365596 #4B70BE #7894CE #A5B7DE

Accessibility & contrast

On white

4.82

#4B70BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#4B70BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B70BE

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B70BE	#FFFFFF	#000000	##FFFFFF
##4B70BE	1.00	4.82	4.36	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E78C1

Deuteranopia (green-blind)

#3E6DBC

Tritanopia (blue-blind)

#00818E

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #4b70be;
/* rgb */ color: rgb(75, 112, 190);
/* oklch */ color: oklch(55.5% 0.129 263.6);

Tailwind

colors: {
  custom: {
    50: '#8798d2',
    500: '#4b70be',
    950: '#000000',
  },
}

SCSS

$custom: #4b70be;
$custom-light: #8798d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4b70be",
  "rgb": {
    "r": 75,
    "g": 112,
    "b": 190
  },
  "hsl": {
    "h": 220.696,
    "s": 46.939,
    "l": 51.961
  },
  "oklch": {
    "l": 0.55547,
    "c": 0.12869,
    "h": 263.6
  },
  "luminance": 0.16802
}

Semantic roles & 50–950 ramp

primary

#4B70BE

secondary

#CCBB99

accent

#AC51D7

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0D14

muted

#7D7E82

Preview Lab

Preview with #4B70BE

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

Preview Lab → · Contrast checker → · Palette generator →