#4B70DB#4B70DB

#4B70DB is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.4% C 0.169 H 266.7°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#4B70DB
RGB	rgb(75, 112, 219)
HSL	hsl(225, 67%, 58%)
HSV	hsv(225, 66%, 86%)
CMYK	cmyk(65.8%, 48.9%, 0%, 14.1%)
CIE-LAB	lab(49.73, 21.21, -58.77)
CIE-LCH	lch(49.73, 62.48, 289.84°)
OKLab	oklab(57.43% -0.0097 -0.1685)
OKLCH	oklch(57.43% 0.169 266.7)
XYZ	xyz(21.4776, 18.1966, 69.3845)
Luminance	0.1820 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B70DB #DBB64B

analogous

#4BB8DB #4B70DB #6E4BDB

triadic

#4B70DB #DB4B70 #70DB4B

tetradic

#4B70DB #DB4BB8 #DBB64B #4BDB6E

square

#4B70DB #DB4BB8 #DBB64B #4BDB6E

split-complementary

#4B70DB #DB6E4B #B8DB4B

monochromatic

#1D3A8F #274FC2 #4B70DB #7E99E5 #B1C1EF

Accessibility & contrast

On white

4.53

#4B70DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#4B70DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B70DB

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B70DB	#FFFFFF	#000000	##000000
##4B70DB	1.00	4.53	4.64	4.64
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#357DDF

Deuteranopia (green-blind)

#0C70D9

Tritanopia (blue-blind)

#00899B

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4b70db;
/* rgb */ color: rgb(75, 112, 219);
/* oklch */ color: oklch(57.4% 0.169 266.7);

Tailwind

colors: {
  custom: {
    50: '#8c98e7',
    500: '#4b70db',
    950: '#000000',
  },
}

SCSS

$custom: #4b70db;
$custom-light: #8c98e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4b70db",
  "rgb": {
    "r": 75,
    "g": 112,
    "b": 219
  },
  "hsl": {
    "h": 224.583,
    "s": 66.667,
    "l": 57.647
  },
  "oklch": {
    "l": 0.57427,
    "c": 0.16874,
    "h": 266.7
  },
  "luminance": 0.18199
}

Semantic roles & 50–950 ramp

primary

#4B70DB

secondary

#DECFA4

accent

#BE3EEA

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4B70DB

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

Preview Lab → · Contrast checker → · Palette generator →