#4F70BC#4F70BC

#4F70BC is a mid, vivid blue. Relative luminance 0.169; OKLCH L 55.6% C 0.124 H 264.9°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#4F70BC
RGB	rgb(79, 112, 188)
HSL	hsl(222, 45%, 52%)
HSV	hsv(222, 58%, 74%)
CMYK	cmyk(58%, 40.4%, 0%, 26.3%)
CIE-LAB	lab(48.11, 11.29, -43.64)
CIE-LCH	lch(48.11, 45.07, 284.51°)
OKLab	oklab(55.65% -0.011 -0.1239)
OKLCH	oklch(55.65% 0.124 264.9)
XYZ	xyz(18.0926, 16.8800, 49.8719)
Luminance	0.1688 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F70BC #BC9B4F

analogous

#4FA6BC #4F70BC #654FBC

triadic

#4F70BC #BC4F70 #70BC4F

tetradic

#4F70BC #BC4FA6 #BC9B4F #4FBC65

square

#4F70BC #BC4FA6 #BC9B4F #4FBC65

split-complementary

#4F70BC #BC654F #A6BC4F

monochromatic

#283C69 #395595 #4F70BC #7B94CD #A8B8DE

Accessibility & contrast

On white

4.80

#4F70BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#4F70BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F70BC

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F70BC	#FFFFFF	#000000	##FFFFFF
##4F70BC	1.00	4.80	4.38	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5078BF

Deuteranopia (green-blind)

#416EBA

Tritanopia (blue-blind)

#00818D

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #4f70bc;
/* rgb */ color: rgb(79, 112, 188);
/* oklch */ color: oklch(55.6% 0.124 264.9);

Tailwind

colors: {
  custom: {
    50: '#8998d0',
    500: '#4f70bc',
    950: '#000000',
  },
}

SCSS

$custom: #4f70bc;
$custom-light: #8998d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4f70bc",
  "rgb": {
    "r": 79,
    "g": 112,
    "b": 188
  },
  "hsl": {
    "h": 221.835,
    "s": 44.856,
    "l": 52.353
  },
  "oklch": {
    "l": 0.55646,
    "c": 0.12442,
    "h": 264.9
  },
  "luminance": 0.16881
}

Semantic roles & 50–950 ramp

primary

#4F70BC

secondary

#CBBD9C

accent

#AD53D5

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0D14

muted

#7D7E82

Preview Lab

Preview with #4F70BC

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

Preview Lab → · Contrast checker → · Palette generator →