#4557AD#4557AD

#4557AD is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.8% C 0.138 H 271.5°. Best body text is #FFFFFF at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#4557AD
RGB	rgb(69, 87, 173)
HSL	hsl(230, 43%, 47%)
HSV	hsv(230, 60%, 68%)
CMYK	cmyk(60.1%, 49.7%, 0%, 32.2%)
CIE-LAB	lab(39.74, 19.97, -48.27)
CIE-LCH	lch(39.74, 52.24, 292.48°)
OKLab	oklab(48.8% 0.0037 -0.138)
OKLCH	oklch(48.8% 0.138 271.5)
XYZ	xyz(13.4028, 11.0977, 40.9628)
Luminance	0.1110 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4557AD #AD9B45

analogous

#458BAD #4557AD #6745AD

triadic

#4557AD #AD4557 #57AD45

tetradic

#4557AD #AD458B #AD9B45 #45AD67

square

#4557AD #AD458B #AD9B45 #45AD67

split-complementary

#4557AD #AD6745 #8BAD45

monochromatic

#222B55 #344181 #4557AD #6B7BC4 #97A2D5

Accessibility & contrast

On white

6.52

#4557AD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#4557AD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4557AD

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4557AD	#FFFFFF	#000000	##FFFFFF
##4557AD	1.00	6.52	3.22	6.52
#FFFFFF	6.52	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B62B0

Deuteranopia (green-blind)

#1759AB

Tritanopia (blue-blind)

#006B7A

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #4557ad;
/* rgb */ color: rgb(69, 87, 173);
/* oklch */ color: oklch(48.8% 0.138 271.5);

Tailwind

colors: {
  custom: {
    50: '#8286c6',
    500: '#4557ad',
    950: '#000000',
  },
}

SCSS

$custom: #4557ad;
$custom-light: #8286c6;
$custom-dark: #000000;

JSON

{
  "hex": "#4557ad",
  "rgb": {
    "r": 69,
    "g": 87,
    "b": 173
  },
  "hsl": {
    "h": 229.615,
    "s": 42.975,
    "l": 47.451
  },
  "oklch": {
    "l": 0.48804,
    "c": 0.13808,
    "h": 271.5
  },
  "luminance": 0.11099
}

Semantic roles & 50–950 ramp

primary

#4557AD

secondary

#C1B88C

accent

#BD55D3

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #4557AD

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

Preview Lab → · Contrast checker → · Palette generator →