#4557C3#4557C3

#4557C3 is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.4% C 0.169 H 271.8°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#4557C3
RGB	rgb(69, 87, 195)
HSL	hsl(231, 51%, 52%)
HSV	hsv(231, 65%, 76%)
CMYK	cmyk(64.6%, 55.4%, 0%, 23.5%)
CIE-LAB	lab(41.25, 27.64, -58.73)
CIE-LCH	lch(41.25, 64.91, 295.20°)
OKLab	oklab(50.42% 0.0054 -0.1688)
OKLCH	oklch(50.42% 0.169 271.8)
XYZ	xyz(15.7095, 12.0203, 53.1115)
Luminance	0.1202 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4557C3 #C3B145

analogous

#4596C3 #4557C3 #7245C3

triadic

#4557C3 #C34557 #57C345

tetradic

#4557C3 #C34596 #C3B145 #45C372

square

#4557C3 #C34596 #C3B145 #45C372

split-complementary

#4557C3 #C37245 #96C345

monochromatic

#232D6B #314099 #4557C3 #7381D2 #A2ABE1

Accessibility & contrast

On white

6.17

#4557C3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#4557C3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4557C3

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4557C3	#FFFFFF	#000000	##FFFFFF
##4557C3	1.00	6.17	3.40	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067C7

Deuteranopia (green-blind)

#005CC1

Tritanopia (blue-blind)

#007184

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #4557c3;
/* rgb */ color: rgb(69, 87, 195);
/* oklch */ color: oklch(50.4% 0.169 271.8);

Tailwind

colors: {
  custom: {
    50: '#8686d6',
    500: '#4557c3',
    950: '#000000',
  },
}

SCSS

$custom: #4557c3;
$custom-light: #8686d6;
$custom-dark: #000000;

JSON

{
  "hex": "#4557c3",
  "rgb": {
    "r": 69,
    "g": 87,
    "b": 195
  },
  "hsl": {
    "h": 231.429,
    "s": 51.22,
    "l": 51.765
  },
  "oklch": {
    "l": 0.50416,
    "c": 0.16889,
    "h": 271.8
  },
  "luminance": 0.12022
}

Semantic roles & 50–950 ramp

primary

#4557C3

secondary

#CEC696

accent

#C64DDB

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #4557C3

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

Preview Lab → · Contrast checker → · Palette generator →