#4C5ECB#4C5ECB

#4C5ECB is a mid, vivid blue. Relative luminance 0.139; OKLCH L 52.8% C 0.169 H 272.2°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#4C5ECB
RGB	rgb(76, 94, 203)
HSL	hsl(231, 55%, 55%)
HSV	hsv(231, 63%, 80%)
CMYK	cmyk(62.6%, 53.7%, 0%, 20.4%)
CIE-LAB	lab(44.02, 27.14, -58.85)
CIE-LCH	lch(44.02, 64.81, 294.75°)
OKLab	oklab(52.78% 0.0066 -0.1689)
OKLCH	oklch(52.78% 0.169 272.2)
XYZ	xyz(17.7591, 13.8522, 58.2262)
Luminance	0.1385 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C5ECB #CBB94C

analogous

#4C9ECB #4C5ECB #7A4CCB

triadic

#4C5ECB #CB4C5E #5ECB4C

tetradic

#4C5ECB #CB4C9E #CBB94C #4CCB7A

square

#4C5ECB #CB4C9E #CBB94C #4CCB7A

split-complementary

#4C5ECB #CB7A4C #9ECB4C

monochromatic

#232F79 #3142A9 #4C5ECB #7B89D9 #ABB3E7

Accessibility & contrast

On white

5.57

#4C5ECB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#4C5ECB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C5ECB

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C5ECB	#FFFFFF	#000000	##FFFFFF
##4C5ECB	1.00	5.57	3.77	5.57
#FFFFFF	5.57	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#136ECF

Deuteranopia (green-blind)

#0063C9

Tritanopia (blue-blind)

#00788B

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #4c5ecb;
/* rgb */ color: rgb(76, 94, 203);
/* oklch */ color: oklch(52.8% 0.169 272.2);

Tailwind

colors: {
  custom: {
    50: '#8a8bdc',
    500: '#4c5ecb',
    950: '#000000',
  },
}

SCSS

$custom: #4c5ecb;
$custom-light: #8a8bdc;
$custom-dark: #000000;

JSON

{
  "hex": "#4c5ecb",
  "rgb": {
    "r": 76,
    "g": 94,
    "b": 203
  },
  "hsl": {
    "h": 231.496,
    "s": 54.978,
    "l": 54.706
  },
  "oklch": {
    "l": 0.52782,
    "c": 0.16905,
    "h": 272.2
  },
  "luminance": 0.13854
}

Semantic roles & 50–950 ramp

primary

#4C5ECB

secondary

#D4CD9F

accent

#C949DE

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #4C5ECB

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

Preview Lab → · Contrast checker → · Palette generator →