#4F70CF#4F70CF

#4F70CF is a mid, vivid blue. Relative luminance 0.178; OKLCH L 56.8% C 0.151 H 267.1°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#4F70CF
RGB	rgb(79, 112, 207)
HSL	hsl(225, 57%, 56%)
HSV	hsv(225, 62%, 81%)
CMYK	cmyk(61.8%, 45.9%, 0%, 18.8%)
CIE-LAB	lab(49.20, 17.75, -52.81)
CIE-LCH	lch(49.20, 55.71, 288.57°)
OKLab	oklab(56.83% -0.0076 -0.1508)
OKLCH	oklch(56.83% 0.151 267.1)
XYZ	xyz(20.2773, 17.7538, 61.3776)
Luminance	0.1776 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F70CF #CFAE4F

analogous

#4FB0CF #4F70CF #6E4FCF

triadic

#4F70CF #CF4F70 #70CF4F

tetradic

#4F70CF #CF4FB0 #CFAE4F #4FCF6E

square

#4F70CF #CF4FB0 #CFAE4F #4FCF6E

split-complementary

#4F70CF #CF6E4F #B0CF4F

monochromatic

#233B81 #3051B1 #4F70CF #7F97DC #AFBEE9

Accessibility & contrast

On white

4.61

#4F70CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#4F70CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4F70CF

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F70CF	#FFFFFF	#000000	##FFFFFF
##4F70CF	1.00	4.61	4.55	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#427BD3

Deuteranopia (green-blind)

#2D6FCD

Tritanopia (blue-blind)

#008695

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4f70cf;
/* rgb */ color: rgb(79, 112, 207);
/* oklch */ color: oklch(56.8% 0.151 267.1);

Tailwind

colors: {
  custom: {
    50: '#8c98de',
    500: '#4f70cf',
    950: '#000000',
  },
}

SCSS

$custom: #4f70cf;
$custom-light: #8c98de;
$custom-dark: #000000;

JSON

{
  "hex": "#4f70cf",
  "rgb": {
    "r": 79,
    "g": 112,
    "b": 207
  },
  "hsl": {
    "h": 224.531,
    "s": 57.143,
    "l": 56.078
  },
  "oklch": {
    "l": 0.56834,
    "c": 0.15103,
    "h": 267.1
  },
  "luminance": 0.17756
}

Semantic roles & 50–950 ramp

primary

#4F70CF

secondary

#D7CAA2

accent

#B947E0

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #4F70CF

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

Preview Lab → · Contrast checker → · Palette generator →