#4E70BB#4E70BB

#4E70BB is a mid, vivid blue. Relative luminance 0.168; OKLCH L 55.5% C 0.123 H 264.4°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#4E70BB
RGB	rgb(78, 112, 187)
HSL	hsl(221, 44%, 52%)
HSV	hsv(221, 58%, 73%)
CMYK	cmyk(58.3%, 40.1%, 0%, 26.7%)
CIE-LAB	lab(48.00, 10.75, -43.23)
CIE-LCH	lch(48.00, 44.55, 283.96°)
OKLab	oklab(55.53% -0.0121 -0.1228)
OKLCH	oklch(55.53% 0.123 264.4)
XYZ	xyz(17.9026, 16.7944, 49.3023)
Luminance	0.1680 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E70BB #BB994E

analogous

#4EA7BB #4E70BB #624EBB

triadic

#4E70BB #BB4E70 #70BB4E

tetradic

#4E70BB #BB4EA7 #BB994E #4EBB62

square

#4E70BB #BB4EA7 #BB994E #4EBB62

split-complementary

#4E70BB #BB624E #A7BB4E

monochromatic

#283B67 #395593 #4E70BB #7A94CC #A6B7DD

Accessibility & contrast

On white

4.82

#4E70BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#4E70BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E70BB

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E70BB	#FFFFFF	#000000	##FFFFFF
##4E70BB	1.00	4.82	4.36	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5077BE

Deuteranopia (green-blind)

#426DB9

Tritanopia (blue-blind)

#00818C

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #4e70bb;
/* rgb */ color: rgb(78, 112, 187);
/* oklch */ color: oklch(55.5% 0.123 264.4);

Tailwind

colors: {
  custom: {
    50: '#8898d0',
    500: '#4e70bb',
    950: '#000000',
  },
}

SCSS

$custom: #4e70bb;
$custom-light: #8898d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4e70bb",
  "rgb": {
    "r": 78,
    "g": 112,
    "b": 187
  },
  "hsl": {
    "h": 221.284,
    "s": 44.49,
    "l": 51.961
  },
  "oklch": {
    "l": 0.5553,
    "c": 0.12337,
    "h": 264.4
  },
  "luminance": 0.16796
}

Semantic roles & 50–950 ramp

primary

#4E70BB

secondary

#CABB9B

accent

#AC54D4

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0D14

muted

#7D7E82

Preview Lab

Preview with #4E70BB

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

Preview Lab → · Contrast checker → · Palette generator →