#4C5FCB#4C5FCB

#4C5FCB is a mid, vivid blue. Relative luminance 0.140; OKLCH L 53.0% C 0.168 H 271.9°. Best body text is #FFFFFF at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#4C5FCB
RGB	rgb(76, 95, 203)
HSL	hsl(231, 55%, 55%)
HSV	hsv(231, 63%, 80%)
CMYK	cmyk(62.6%, 53.2%, 0%, 20.4%)
CIE-LAB	lab(44.28, 26.51, -58.44)
CIE-LCH	lch(44.28, 64.17, 294.40°)
OKLab	oklab(52.98% 0.0057 -0.1677)
OKLCH	oklch(52.98% 0.168 271.9)
XYZ	xyz(17.8486, 14.0312, 58.2560)
Luminance	0.1403 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C5FCB #CBB84C

analogous

#4C9ECB #4C5FCB #794CCB

triadic

#4C5FCB #CB4C5F #5FCB4C

tetradic

#4C5FCB #CB4C9E #CBB84C #4CCB79

square

#4C5FCB #CB4C9E #CBB84C #4CCB79

split-complementary

#4C5FCB #CB794C #9ECB4C

monochromatic

#233079 #3143A9 #4C5FCB #7B89D9 #ABB4E7

Accessibility & contrast

On white

5.52

#4C5FCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#4C5FCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C5FCB

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C5FCB	#FFFFFF	#000000	##FFFFFF
##4C5FCB	1.00	5.52	3.81	5.52
#FFFFFF	5.52	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.52	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: #4c5fcb;
/* rgb */ color: rgb(76, 95, 203);
/* oklch */ color: oklch(53.0% 0.168 271.9);

Tailwind

colors: {
  custom: {
    50: '#8a8cdc',
    500: '#4c5fcb',
    950: '#000000',
  },
}

SCSS

$custom: #4c5fcb;
$custom-light: #8a8cdc;
$custom-dark: #000000;

JSON

{
  "hex": "#4c5fcb",
  "rgb": {
    "r": 76,
    "g": 95,
    "b": 203
  },
  "hsl": {
    "h": 231.024,
    "s": 54.978,
    "l": 54.706
  },
  "oklch": {
    "l": 0.52976,
    "c": 0.16778,
    "h": 271.9
  },
  "luminance": 0.14033
}

Semantic roles & 50–950 ramp

primary

#4C5FCB

secondary

#D4CC9F

accent

#C849DE

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #4C5FCB

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

Preview Lab → · Contrast checker → · Palette generator →