#4B70BC#4B70BC

#4B70BC is a mid, vivid blue. Relative luminance 0.167; OKLCH L 55.4% C 0.126 H 263.3°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#4B70BC
RGB	rgb(75, 112, 188)
HSL	hsl(220, 46%, 52%)
HSV	hsv(220, 60%, 74%)
CMYK	cmyk(60.1%, 40.4%, 0%, 26.3%)
CIE-LAB	lab(47.90, 10.48, -43.99)
CIE-LCH	lch(47.90, 45.22, 283.41°)
OKLab	oklab(55.43% -0.0147 -0.125)
OKLCH	oklch(55.43% 0.126 263.3)
XYZ	xyz(17.7698, 16.7135, 49.8568)
Luminance	0.1671 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B70BC #BC974B

analogous

#4BA9BC #4B70BC #5F4BBC

triadic

#4B70BC #BC4B70 #70BC4B

tetradic

#4B70BC #BC4BA9 #BC974B #4BBC5F

square

#4B70BC #BC4BA9 #BC974B #4BBC5F

split-complementary

#4B70BC #BC5F4B #A9BC4B

monochromatic

#263B66 #375593 #4B70BC #7893CD #A4B7DD

Accessibility & contrast

On white

4.84

#4B70BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#4B70BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B70BC

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B70BC	#FFFFFF	#000000	##FFFFFF
##4B70BC	1.00	4.84	4.34	4.84
#FFFFFF	4.84	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F77BF

Deuteranopia (green-blind)

#406DBA

Tritanopia (blue-blind)

#00818D

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #4b70bc;
/* rgb */ color: rgb(75, 112, 188);
/* oklch */ color: oklch(55.4% 0.126 263.3);

Tailwind

colors: {
  custom: {
    50: '#8798d0',
    500: '#4b70bc',
    950: '#000000',
  },
}

SCSS

$custom: #4b70bc;
$custom-light: #8798d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4b70bc",
  "rgb": {
    "r": 75,
    "g": 112,
    "b": 188
  },
  "hsl": {
    "h": 220.354,
    "s": 45.749,
    "l": 51.569
  },
  "oklch": {
    "l": 0.55426,
    "c": 0.12588,
    "h": 263.3
  },
  "luminance": 0.16715
}

Semantic roles & 50–950 ramp

primary

#4B70BC

secondary

#CABA99

accent

#AB52D5

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0D14

muted

#7D7E82

Preview Lab

Preview with #4B70BC

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

Preview Lab → · Contrast checker → · Palette generator →