#4F70BF#4F70BF

#4F70BF is a mid, vivid blue. Relative luminance 0.170; OKLCH L 55.8% C 0.129 H 265.4°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#4F70BF
RGB	rgb(79, 112, 191)
HSL	hsl(222, 47%, 53%)
HSV	hsv(222, 59%, 75%)
CMYK	cmyk(58.6%, 41.4%, 0%, 25.1%)
CIE-LAB	lab(48.27, 12.30, -45.11)
CIE-LCH	lch(48.27, 46.75, 285.26°)
OKLab	oklab(55.83% -0.0104 -0.1282)
OKLCH	oklch(55.83% 0.129 265.4)
XYZ	xyz(18.4194, 17.0107, 51.5929)
Luminance	0.1701 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F70BF #BF9E4F

analogous

#4FA8BF #4F70BF #664FBF

triadic

#4F70BF #BF4F70 #70BF4F

tetradic

#4F70BF #BF4FA8 #BF9E4F #4FBF66

square

#4F70BF #BF4FA8 #BF9E4F #4FBF66

split-complementary

#4F70BF #BF664F #A8BF4F

monochromatic

#273C6C #385499 #4F70BF #7C94CF #A9B9E0

Accessibility & contrast

On white

4.77

#4F70BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#4F70BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F70BF

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F70BF	#FFFFFF	#000000	##FFFFFF
##4F70BF	1.00	4.77	4.40	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E78C2

Deuteranopia (green-blind)

#3F6EBD

Tritanopia (blue-blind)

#00828E

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4f70bf;
/* rgb */ color: rgb(79, 112, 191);
/* oklch */ color: oklch(55.8% 0.129 265.4);

Tailwind

colors: {
  custom: {
    50: '#8998d3',
    500: '#4f70bf',
    950: '#000000',
  },
}

SCSS

$custom: #4f70bf;
$custom-light: #8998d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4f70bf",
  "rgb": {
    "r": 79,
    "g": 112,
    "b": 191
  },
  "hsl": {
    "h": 222.321,
    "s": 46.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.55827,
    "c": 0.12865,
    "h": 265.4
  },
  "luminance": 0.17012
}

Semantic roles & 50–950 ramp

primary

#4F70BF

secondary

#CDBF9D

accent

#AF51D6

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #4F70BF

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

Preview Lab → · Contrast checker → · Palette generator →