#4557D3#4557D3

#4557D3 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.7% C 0.190 H 271.7°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#4557D3
RGB	rgb(69, 87, 211)
HSL	hsl(232, 62%, 55%)
HSV	hsv(232, 67%, 83%)
CMYK	cmyk(67.3%, 58.8%, 0%, 17.3%)
CIE-LAB	lab(42.43, 33.20, -66.04)
CIE-LCH	lch(42.43, 73.92, 296.69°)
OKLab	oklab(51.67% 0.0057 -0.1903)
OKLCH	oklch(51.67% 0.19 271.7)
XYZ	xyz(17.6163, 12.7831, 63.1544)
Luminance	0.1278 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4557D3 #D3C145

analogous

#459ED3 #4557D3 #7A45D3

triadic

#4557D3 #D34557 #57D345

tetradic

#4557D3 #D3459E #D3C145 #45D37A

square

#4557D3 #D3459E #D3C145 #45D37A

split-complementary

#4557D3 #D37A45 #9ED345

monochromatic

#1E2A7F #2A3BB1 #4557D3 #7684DF #A8B0EA

Accessibility & contrast

On white

5.90

#4557D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#4557D3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4557D3

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4557D3	#FFFFFF	#000000	##FFFFFF
##4557D3	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD7

Deuteranopia (green-blind)

#005ED1

Tritanopia (blue-blind)

#00768C

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4557d3;
/* rgb */ color: rgb(69, 87, 211);
/* oklch */ color: oklch(51.7% 0.190 271.7);

Tailwind

colors: {
  custom: {
    50: '#8986e1',
    500: '#4557d3',
    950: '#000000',
  },
}

SCSS

$custom: #4557d3;
$custom-light: #8986e1;
$custom-dark: #000000;

JSON

{
  "hex": "#4557d3",
  "rgb": {
    "r": 69,
    "g": 87,
    "b": 211
  },
  "hsl": {
    "h": 232.394,
    "s": 61.739,
    "l": 54.902
  },
  "oklch": {
    "l": 0.51674,
    "c": 0.19039,
    "h": 271.7
  },
  "luminance": 0.12785
}

Semantic roles & 50–950 ramp

primary

#4557D3

secondary

#D8D09C

accent

#D043E5

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4557D3

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

Preview Lab → · Contrast checker → · Palette generator →