#4757CA#4757CA

#4757CA is a mid, vivid blue. Relative luminance 0.124; OKLCH L 51.1% C 0.178 H 272.5°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#4757CA
RGB	rgb(71, 87, 202)
HSL	hsl(233, 55%, 54%)
HSV	hsv(233, 65%, 79%)
CMYK	cmyk(64.9%, 56.9%, 0%, 20.8%)
CIE-LAB	lab(41.87, 30.39, -61.77)
CIE-LCH	lch(41.87, 68.84, 296.19°)
OKLab	oklab(51.08% 0.0077 -0.1777)
OKLCH	oklch(51.08% 0.178 272.5)
XYZ	xyz(16.6638, 12.4188, 57.3846)
Luminance	0.1242 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4757CA #CABA47

analogous

#4798CA #4757CA #7847CA

triadic

#4757CA #CA4757 #57CA47

tetradic

#4757CA #CA4798 #CABA47 #47CA78

square

#4757CA #CA4798 #CABA47 #47CA78

split-complementary

#4757CA #CA7847 #98CA47

monochromatic

#222C75 #2F3EA4 #4757CA #7782D8 #A6AEE5

Accessibility & contrast

On white

6.03

#4757CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#4757CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4757CA

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4757CA	#FFFFFF	#000000	##FFFFFF
##4757CA	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069CE

Deuteranopia (green-blind)

#005DC8

Tritanopia (blue-blind)

#007388

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4757ca;
/* rgb */ color: rgb(71, 87, 202);
/* oklch */ color: oklch(51.1% 0.178 272.5);

Tailwind

colors: {
  custom: {
    50: '#8886db',
    500: '#4757ca',
    950: '#000000',
  },
}

SCSS

$custom: #4757ca;
$custom-light: #8886db;
$custom-dark: #000000;

JSON

{
  "hex": "#4757ca",
  "rgb": {
    "r": 71,
    "g": 87,
    "b": 202
  },
  "hsl": {
    "h": 232.672,
    "s": 55.274,
    "l": 53.529
  },
  "oklch": {
    "l": 0.51075,
    "c": 0.17786,
    "h": 272.5
  },
  "luminance": 0.1242
}

Semantic roles & 50–950 ramp

primary

#4757CA

secondary

#D2CC9A

accent

#CC49DF

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4757CA

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

Preview Lab → · Contrast checker → · Palette generator →