#4F70E9#4F70E9

#4F70E9 is a mid, vivid blue. Relative luminance 0.191; OKLCH L 58.6% C 0.186 H 268.6°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#4F70E9
RGB	rgb(79, 112, 233)
HSL	hsl(227, 78%, 61%)
HSV	hsv(227, 66%, 91%)
CMYK	cmyk(66.1%, 51.9%, 0%, 8.6%)
CIE-LAB	lab(50.84, 26.70, -64.86)
CIE-LCH	lch(50.84, 70.14, 292.37°)
OKLab	oklab(58.61% -0.0046 -0.1863)
OKLCH	oklch(58.61% 0.186 268.6)
XYZ	xyz(23.7216, 19.1316, 79.5176)
Luminance	0.1913 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F70E9 #E9C84F

analogous

#4FBDE9 #4F70E9 #7B4FE9

triadic

#4F70E9 #E94F70 #70E94F

tetradic

#4F70E9 #E94FBD #E9C84F #4FE97B

square

#4F70E9 #E94FBD #E9C84F #4FE97B

split-complementary

#4F70E9 #E97B4F #BDE94F

monochromatic

#1535A9 #1C46DF #4F70E9 #859CF0 #BCC8F7

Accessibility & contrast

On white

4.35

#4F70E9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#4F70E9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F70E9

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F70E9	#FFFFFF	#000000	##000000
##4F70E9	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2180ED

Deuteranopia (green-blind)

#0072E7

Tritanopia (blue-blind)

#008DA2

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #4f70e9;
/* rgb */ color: rgb(79, 112, 233);
/* oklch */ color: oklch(58.6% 0.186 268.6);

Tailwind

colors: {
  custom: {
    50: '#9098f1',
    500: '#4f70e9',
    950: '#000000',
  },
}

SCSS

$custom: #4f70e9;
$custom-light: #9098f1;
$custom-dark: #000000;

JSON

{
  "hex": "#4f70e9",
  "rgb": {
    "r": 79,
    "g": 112,
    "b": 233
  },
  "hsl": {
    "h": 227.143,
    "s": 77.778,
    "l": 61.176
  },
  "oklch": {
    "l": 0.58611,
    "c": 0.18637,
    "h": 268.6
  },
  "luminance": 0.19134
}

Semantic roles & 50–950 ramp

primary

#4F70E9

secondary

#E7DAAD

accent

#AE0BDA

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D17

muted

#7E7E85

Preview Lab

Preview with #4F70E9

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

Preview Lab → · Contrast checker → · Palette generator →