#4D5FCB#4D5FCB

#4D5FCB is a mid, vivid blue. Relative luminance 0.141; OKLCH L 53.0% C 0.168 H 272.3°. Best body text is #FFFFFF at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#4D5FCB
RGB	rgb(77, 95, 203)
HSL	hsl(231, 55%, 55%)
HSV	hsv(231, 62%, 80%)
CMYK	cmyk(62.1%, 53.2%, 0%, 20.4%)
CIE-LAB	lab(44.34, 26.68, -58.34)
CIE-LCH	lch(44.34, 64.15, 294.58°)
OKLab	oklab(53.04% 0.0067 -0.1674)
OKLCH	oklch(53.04% 0.168 272.3)
XYZ	xyz(17.9287, 14.0725, 58.2598)
Luminance	0.1407 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D5FCB #CBB94D

analogous

#4D9ECB #4D5FCB #7A4DCB

triadic

#4D5FCB #CB4D5F #5FCB4D

tetradic

#4D5FCB #CB4D9E #CBB94D #4DCB7A

square

#4D5FCB #CB4D9E #CBB94D #4DCB7A

split-complementary

#4D5FCB #CB7A4D #9ECB4D

monochromatic

#24307A #3143A9 #4D5FCB #7C8AD9 #ACB4E7

Accessibility & contrast

On white

5.50

#4D5FCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#4D5FCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D5FCB

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D5FCB	#FFFFFF	#000000	##FFFFFF
##4D5FCB	1.00	5.50	3.81	5.50
#FFFFFF	5.50	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#186FCF

Deuteranopia (green-blind)

#0063C9

Tritanopia (blue-blind)

#00788C

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #4d5fcb;
/* rgb */ color: rgb(77, 95, 203);
/* oklch */ color: oklch(53.0% 0.168 272.3);

Tailwind

colors: {
  custom: {
    50: '#8b8cdc',
    500: '#4d5fcb',
    950: '#000000',
  },
}

SCSS

$custom: #4d5fcb;
$custom-light: #8b8cdc;
$custom-dark: #000000;

JSON

{
  "hex": "#4d5fcb",
  "rgb": {
    "r": 77,
    "g": 95,
    "b": 203
  },
  "hsl": {
    "h": 231.429,
    "s": 54.783,
    "l": 54.902
  },
  "oklch": {
    "l": 0.53036,
    "c": 0.1675,
    "h": 272.3
  },
  "luminance": 0.14074
}

Semantic roles & 50–950 ramp

primary

#4D5FCB

secondary

#D4CD9F

accent

#C94ADE

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #4D5FCB

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

Preview Lab → · Contrast checker → · Palette generator →