#4D70BC#4D70BC

#4D70BC is a mid, vivid blue. Relative luminance 0.168; OKLCH L 55.5% C 0.125 H 264.1°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#4D70BC
RGB	rgb(77, 112, 188)
HSL	hsl(221, 45%, 52%)
HSV	hsv(221, 59%, 74%)
CMYK	cmyk(59%, 40.4%, 0%, 26.3%)
CIE-LAB	lab(48.00, 10.88, -43.81)
CIE-LCH	lch(48.00, 45.15, 283.95°)
OKLab	oklab(55.53% -0.0129 -0.1245)
OKLCH	oklch(55.53% 0.125 264.1)
XYZ	xyz(17.9287, 16.7955, 49.8643)
Luminance	0.1680 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D70BC #BC994D

analogous

#4DA8BC #4D70BC #624DBC

triadic

#4D70BC #BC4D70 #70BC4D

tetradic

#4D70BC #BC4DA8 #BC994D #4DBC62

square

#4D70BC #BC4DA8 #BC994D #4DBC62

split-complementary

#4D70BC #BC624D #A8BC4D

monochromatic

#273B68 #385594 #4D70BC #7994CD #A6B7DD

Accessibility & contrast

On white

4.82

#4D70BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#4D70BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D70BC

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D70BC	#FFFFFF	#000000	##FFFFFF
##4D70BC	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)

#4F77BF

Deuteranopia (green-blind)

#416DBA

Tritanopia (blue-blind)

#00818D

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #4d70bc;
/* rgb */ color: rgb(77, 112, 188);
/* oklch */ color: oklch(55.5% 0.125 264.1);

Tailwind

colors: {
  custom: {
    50: '#8898d0',
    500: '#4d70bc',
    950: '#000000',
  },
}

SCSS

$custom: #4d70bc;
$custom-light: #8898d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4d70bc",
  "rgb": {
    "r": 77,
    "g": 112,
    "b": 188
  },
  "hsl": {
    "h": 221.081,
    "s": 45.306,
    "l": 51.961
  },
  "oklch": {
    "l": 0.55534,
    "c": 0.12514,
    "h": 264.1
  },
  "luminance": 0.16797
}

Semantic roles & 50–950 ramp

primary

#4D70BC

secondary

#CBBB9A

accent

#AC53D5

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0D14

muted

#7D7E82

Preview Lab

Preview with #4D70BC

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

Preview Lab → · Contrast checker → · Palette generator →