#4D70CB#4D70CB

#4D70CB is a mid, vivid blue. Relative luminance 0.175; OKLCH L 56.5% C 0.146 H 266.0°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#4D70CB
RGB	rgb(77, 112, 203)
HSL	hsl(223, 55%, 55%)
HSV	hsv(223, 62%, 80%)
CMYK	cmyk(62.1%, 44.8%, 0%, 20.4%)
CIE-LAB	lab(48.85, 16.01, -51.07)
CIE-LCH	lch(48.85, 53.52, 287.40°)
OKLab	oklab(56.47% -0.0101 -0.1458)
OKLCH	oklch(56.47% 0.146 266)
XYZ	xyz(19.6305, 17.4762, 58.8271)
Luminance	0.1748 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D70CB #CBA84D

analogous

#4DAFCB #4D70CB #694DCB

triadic

#4D70CB #CB4D70 #70CB4D

tetradic

#4D70CB #CB4DAF #CBA84D #4DCB69

square

#4D70CB #CB4DAF #CBA84D #4DCB69

split-complementary

#4D70CB #CB694D #AFCB4D

monochromatic

#243C7A #3153A9 #4D70CB #7C96D9 #ACBCE7

Accessibility & contrast

On white

4.67

#4D70CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#4D70CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4D70CB

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D70CB	#FFFFFF	#000000	##FFFFFF
##4D70CB	1.00	4.67	4.50	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#457ACE

Deuteranopia (green-blind)

#316FC9

Tritanopia (blue-blind)

#008593

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4d70cb;
/* rgb */ color: rgb(77, 112, 203);
/* oklch */ color: oklch(56.5% 0.146 266.0);

Tailwind

colors: {
  custom: {
    50: '#8a98db',
    500: '#4d70cb',
    950: '#000000',
  },
}

SCSS

$custom: #4d70cb;
$custom-light: #8a98db;
$custom-dark: #000000;

JSON

{
  "hex": "#4d70cb",
  "rgb": {
    "r": 77,
    "g": 112,
    "b": 203
  },
  "hsl": {
    "h": 223.333,
    "s": 54.783,
    "l": 54.902
  },
  "oklch": {
    "l": 0.56467,
    "c": 0.14614,
    "h": 266
  },
  "luminance": 0.17478
}

Semantic roles & 50–950 ramp

primary

#4D70CB

secondary

#D4C69F

accent

#B54ADE

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #4D70CB

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

Preview Lab → · Contrast checker → · Palette generator →