#4B70CF#4B70CF

#4B70CF is a mid, vivid blue. Relative luminance 0.176; OKLCH L 56.6% C 0.152 H 265.7°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#4B70CF
RGB	rgb(75, 112, 207)
HSL	hsl(223, 58%, 55%)
HSV	hsv(223, 64%, 81%)
CMYK	cmyk(63.8%, 45.9%, 0%, 18.8%)
CIE-LAB	lab(48.99, 17.03, -53.15)
CIE-LCH	lch(48.99, 55.81, 287.77°)
OKLab	oklab(56.62% -0.0113 -0.1519)
OKLCH	oklch(56.62% 0.152 265.7)
XYZ	xyz(19.9544, 17.5874, 61.3625)
Luminance	0.1759 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B70CF #CFAA4B

analogous

#4BB2CF #4B70CF #684BCF

triadic

#4B70CF #CF4B70 #70CF4B

tetradic

#4B70CF #CF4BB2 #CFAA4B #4BCF68

square

#4B70CF #CF4BB2 #CFAA4B #4BCF68

split-complementary

#4B70CF #CF684B #B2CF4B

monochromatic

#223B7E #2E52AE #4B70CF #7B96DC #ACBDE9

Accessibility & contrast

On white

4.65

#4B70CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#4B70CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4B70CF

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B70CF	#FFFFFF	#000000	##FFFFFF
##4B70CF	1.00	4.65	4.52	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#417BD3

Deuteranopia (green-blind)

#2A6FCD

Tritanopia (blue-blind)

#008695

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4b70cf;
/* rgb */ color: rgb(75, 112, 207);
/* oklch */ color: oklch(56.6% 0.152 265.7);

Tailwind

colors: {
  custom: {
    50: '#8a98de',
    500: '#4b70cf',
    950: '#000000',
  },
}

SCSS

$custom: #4b70cf;
$custom-light: #8a98de;
$custom-dark: #000000;

JSON

{
  "hex": "#4b70cf",
  "rgb": {
    "r": 75,
    "g": 112,
    "b": 207
  },
  "hsl": {
    "h": 223.182,
    "s": 57.895,
    "l": 55.294
  },
  "oklch": {
    "l": 0.56622,
    "c": 0.15233,
    "h": 265.7
  },
  "luminance": 0.17589
}

Semantic roles & 50–950 ramp

primary

#4B70CF

secondary

#D6C79F

accent

#B647E1

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #4B70CF

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

Preview Lab → · Contrast checker → · Palette generator →