#4D5BBF#4D5BBF

#4D5BBF is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.4% C 0.156 H 273.6°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#4D5BBF
RGB	rgb(77, 91, 191)
HSL	hsl(233, 47%, 53%)
HSV	hsv(233, 60%, 75%)
CMYK	cmyk(59.7%, 52.4%, 0%, 25.1%)
CIE-LAB	lab(42.49, 25.12, -54.37)
CIE-LCH	lch(42.49, 59.90, 294.80°)
OKLab	oklab(51.39% 0.0098 -0.1557)
OKLCH	oklch(51.39% 0.156 273.6)
XYZ	xyz(16.2025, 12.8203, 50.9009)
Luminance	0.1282 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D5BBF #BFB14D

analogous

#4D94BF #4D5BBF #784DBF

triadic

#4D5BBF #BF4D5B #5BBF4D

tetradic

#4D5BBF #BF4D94 #BFB14D #4DBF78

square

#4D5BBF #BF4D94 #BFB14D #4DBF78

split-complementary

#4D5BBF #BF784D #94BF4D

monochromatic

#272F6B #374398 #4D5BBF #7A84CF #A7AEDF

Accessibility & contrast

On white

5.89

#4D5BBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#4D5BBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D5BBF

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D5BBF	#FFFFFF	#000000	##FFFFFF
##4D5BBF	1.00	5.89	3.56	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2069C3

Deuteranopia (green-blind)

#0060BD

Tritanopia (blue-blind)

#007284

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4d5bbf;
/* rgb */ color: rgb(77, 91, 191);
/* oklch */ color: oklch(51.4% 0.156 273.6);

Tailwind

colors: {
  custom: {
    50: '#8989d3',
    500: '#4d5bbf',
    950: '#000000',
  },
}

SCSS

$custom: #4d5bbf;
$custom-light: #8989d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4d5bbf",
  "rgb": {
    "r": 77,
    "g": 91,
    "b": 191
  },
  "hsl": {
    "h": 232.632,
    "s": 47.107,
    "l": 52.549
  },
  "oklch": {
    "l": 0.51389,
    "c": 0.15606,
    "h": 273.6
  },
  "luminance": 0.12822
}

Semantic roles & 50–950 ramp

primary

#4D5BBF

secondary

#CDC79B

accent

#C651D7

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #4D5BBF

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

Preview Lab → · Contrast checker → · Palette generator →