#4557AC#4557AC

#4557AC is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.7% C 0.137 H 271.5°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#4557AC
RGB	rgb(69, 87, 172)
HSL	hsl(230, 43%, 47%)
HSV	hsv(230, 60%, 67%)
CMYK	cmyk(59.9%, 49.4%, 0%, 32.5%)
CIE-LAB	lab(39.68, 19.62, -47.78)
CIE-LCH	lch(39.68, 51.65, 292.33°)
OKLab	oklab(48.73% 0.0036 -0.1366)
OKLCH	oklch(48.73% 0.137 271.5)
XYZ	xyz(13.3064, 11.0591, 40.4551)
Luminance	0.1106 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4557AC #AC9A45

analogous

#458AAC #4557AC #6745AC

triadic

#4557AC #AC4557 #57AC45

tetradic

#4557AC #AC458A #AC9A45 #45AC67

square

#4557AC #AC458A #AC9A45 #45AC67

split-complementary

#4557AC #AC6745 #8AAC45

monochromatic

#222B55 #334180 #4557AC #6B7AC4 #96A1D5

Accessibility & contrast

On white

6.54

#4557AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#4557AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4557AC

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4557AC	#FFFFFF	#000000	##FFFFFF
##4557AC	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C62AF

Deuteranopia (green-blind)

#1959AA

Tritanopia (blue-blind)

#006A79

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4557ac;
/* rgb */ color: rgb(69, 87, 172);
/* oklch */ color: oklch(48.7% 0.137 271.5);

Tailwind

colors: {
  custom: {
    50: '#8286c5',
    500: '#4557ac',
    950: '#000000',
  },
}

SCSS

$custom: #4557ac;
$custom-light: #8286c5;
$custom-dark: #000000;

JSON

{
  "hex": "#4557ac",
  "rgb": {
    "r": 69,
    "g": 87,
    "b": 172
  },
  "hsl": {
    "h": 229.515,
    "s": 42.739,
    "l": 47.255
  },
  "oklch": {
    "l": 0.48734,
    "c": 0.13664,
    "h": 271.5
  },
  "luminance": 0.1106
}

Semantic roles & 50–950 ramp

primary

#4557AC

secondary

#C1B88C

accent

#BD55D3

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #4557AC

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

Preview Lab → · Contrast checker → · Palette generator →