#4B70BD#4B70BD

#4B70BD is a mid, vivid blue. Relative luminance 0.168; OKLCH L 55.5% C 0.127 H 263.5°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#4B70BD
RGB	rgb(75, 112, 189)
HSL	hsl(221, 46%, 52%)
HSV	hsv(221, 60%, 74%)
CMYK	cmyk(60.3%, 40.7%, 0%, 25.9%)
CIE-LAB	lab(47.95, 10.83, -44.48)
CIE-LCH	lch(47.95, 45.77, 283.68°)
OKLab	oklab(55.49% -0.0145 -0.1265)
OKLCH	oklch(55.49% 0.127 263.5)
XYZ	xyz(17.8780, 16.7568, 50.4265)
Luminance	0.1676 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B70BD #BD984B

analogous

#4BA9BD #4B70BD #5F4BBD

triadic

#4B70BD #BD4B70 #70BD4B

tetradic

#4B70BD #BD4BA9 #BD984B #4BBD5F

square

#4B70BD #BD4BA9 #BD984B #4BBD5F

split-complementary

#4B70BD #BD5F4B #A9BD4B

monochromatic

#263B68 #365594 #4B70BD #7894CD #A5B7DE

Accessibility & contrast

On white

4.83

#4B70BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#4B70BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B70BD

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B70BD	#FFFFFF	#000000	##FFFFFF
##4B70BD	1.00	4.83	4.35	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E77C0

Deuteranopia (green-blind)

#3F6DBB

Tritanopia (blue-blind)

#00818D

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #4b70bd;
/* rgb */ color: rgb(75, 112, 189);
/* oklch */ color: oklch(55.5% 0.127 263.5);

Tailwind

colors: {
  custom: {
    50: '#8798d1',
    500: '#4b70bd',
    950: '#000000',
  },
}

SCSS

$custom: #4b70bd;
$custom-light: #8798d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4b70bd",
  "rgb": {
    "r": 75,
    "g": 112,
    "b": 189
  },
  "hsl": {
    "h": 220.526,
    "s": 46.341,
    "l": 51.765
  },
  "oklch": {
    "l": 0.55486,
    "c": 0.12729,
    "h": 263.5
  },
  "luminance": 0.16758
}

Semantic roles & 50–950 ramp

primary

#4B70BD

secondary

#CBBB99

accent

#AB52D6

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0D14

muted

#7D7E82

Preview Lab

Preview with #4B70BD

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

Preview Lab → · Contrast checker → · Palette generator →