#4B70BA#4B70BA

#4B70BA is a mid, vivid blue. Relative luminance 0.166; OKLCH L 55.3% C 0.123 H 262.9°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#4B70BA
RGB	rgb(75, 112, 186)
HSL	hsl(220, 45%, 51%)
HSV	hsv(220, 60%, 73%)
CMYK	cmyk(59.7%, 39.8%, 0%, 27.1%)
CIE-LAB	lab(47.79, 9.80, -43.00)
CIE-LCH	lch(47.79, 44.11, 282.84°)
OKLab	oklab(55.31% -0.0152 -0.1221)
OKLCH	oklch(55.31% 0.123 262.9)
XYZ	xyz(17.5557, 16.6279, 48.7292)
Luminance	0.1663 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B70BA #BA954B

analogous

#4BA7BA #4B70BA #5D4BBA

triadic

#4B70BA #BA4B70 #70BA4B

tetradic

#4B70BA #BA4BA7 #BA954B #4BBA5D

square

#4B70BA #BA4BA7 #BA954B #4BBA5D

split-complementary

#4B70BA #BA5D4B #A7BA4B

monochromatic

#263B64 #375590 #4B70BA #7793CB #A3B6DC

Accessibility & contrast

On white

4.85

#4B70BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#4B70BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B70BA

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B70BA	#FFFFFF	#000000	##FFFFFF
##4B70BA	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5077BD

Deuteranopia (green-blind)

#416DB8

Tritanopia (blue-blind)

#00818C

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #4b70ba;
/* rgb */ color: rgb(75, 112, 186);
/* oklch */ color: oklch(55.3% 0.123 262.9);

Tailwind

colors: {
  custom: {
    50: '#8698cf',
    500: '#4b70ba',
    950: '#000000',
  },
}

SCSS

$custom: #4b70ba;
$custom-light: #8698cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4b70ba",
  "rgb": {
    "r": 75,
    "g": 112,
    "b": 186
  },
  "hsl": {
    "h": 220,
    "s": 44.578,
    "l": 51.176
  },
  "oklch": {
    "l": 0.55306,
    "c": 0.12309,
    "h": 262.9
  },
  "luminance": 0.16629
}

Semantic roles & 50–950 ramp

primary

#4B70BA

secondary

#C9B998

accent

#A954D4

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0D14

muted

#7D7E82

Preview Lab

Preview with #4B70BA

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

Preview Lab → · Contrast checker → · Palette generator →