#4B70BF#4B70BF

#4B70BF is a mid, vivid blue. Relative luminance 0.168; OKLCH L 55.6% C 0.130 H 263.8°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#4B70BF
RGB	rgb(75, 112, 191)
HSL	hsl(221, 48%, 52%)
HSV	hsv(221, 61%, 75%)
CMYK	cmyk(60.7%, 41.4%, 0%, 25.1%)
CIE-LAB	lab(48.06, 11.51, -45.45)
CIE-LCH	lch(48.06, 46.89, 284.21°)
OKLab	oklab(55.61% -0.0141 -0.1293)
OKLCH	oklch(55.61% 0.13 263.8)
XYZ	xyz(18.0965, 16.8442, 51.5777)
Luminance	0.1685 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B70BF #BF9A4B

analogous

#4BAABF #4B70BF #604BBF

triadic

#4B70BF #BF4B70 #70BF4B

tetradic

#4B70BF #BF4BAA #BF9A4B #4BBF60

square

#4B70BF #BF4BAA #BF9A4B #4BBF60

split-complementary

#4B70BF #BF604B #AABF4B

monochromatic

#263B6A #365597 #4B70BF #7894CF #A5B8DF

Accessibility & contrast

On white

4.81

#4B70BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#4B70BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B70BF

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B70BF	#FFFFFF	#000000	##FFFFFF
##4B70BF	1.00	4.81	4.37	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D78C2

Deuteranopia (green-blind)

#3D6DBD

Tritanopia (blue-blind)

#00828E

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #4b70bf;
/* rgb */ color: rgb(75, 112, 191);
/* oklch */ color: oklch(55.6% 0.130 263.8);

Tailwind

colors: {
  custom: {
    50: '#8798d3',
    500: '#4b70bf',
    950: '#000000',
  },
}

SCSS

$custom: #4b70bf;
$custom-light: #8798d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4b70bf",
  "rgb": {
    "r": 75,
    "g": 112,
    "b": 191
  },
  "hsl": {
    "h": 220.862,
    "s": 47.541,
    "l": 52.157
  },
  "oklch": {
    "l": 0.55608,
    "c": 0.13009,
    "h": 263.8
  },
  "luminance": 0.16846
}

Semantic roles & 50–950 ramp

primary

#4B70BF

secondary

#CCBC9A

accent

#AC51D7

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #4B70BF

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

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