#4555AC#4555AC

#4555AC is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.3% C 0.139 H 272.3°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#4555AC
RGB	rgb(69, 85, 172)
HSL	hsl(231, 43%, 47%)
HSV	hsv(231, 60%, 67%)
CMYK	cmyk(59.9%, 50.6%, 0%, 32.5%)
CIE-LAB	lab(39.14, 20.91, -48.65)
CIE-LCH	lch(39.14, 52.96, 293.26°)
OKLab	oklab(48.32% 0.0057 -0.1392)
OKLCH	oklch(48.32% 0.139 272.3)
XYZ	xyz(13.1467, 10.7397, 40.4019)
Luminance	0.1074 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4555AC #AC9C45

analogous

#4588AC #4555AC #6945AC

triadic

#4555AC #AC4555 #55AC45

tetradic

#4555AC #AC4588 #AC9C45 #45AC69

square

#4555AC #AC4588 #AC9C45 #45AC69

split-complementary

#4555AC #AC6945 #88AC45

monochromatic

#222A55 #333F80 #4555AC #6B78C4 #96A0D5

Accessibility & contrast

On white

6.67

#4555AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#4555AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4555AC

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4555AC	#FFFFFF	#000000	##FFFFFF
##4555AC	1.00	6.67	3.15	6.67
#FFFFFF	6.67	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2761AF

Deuteranopia (green-blind)

#1258AA

Tritanopia (blue-blind)

#006978

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #4555ac;
/* rgb */ color: rgb(69, 85, 172);
/* oklch */ color: oklch(48.3% 0.139 272.3);

Tailwind

colors: {
  custom: {
    50: '#8284c5',
    500: '#4555ac',
    950: '#000000',
  },
}

SCSS

$custom: #4555ac;
$custom-light: #8284c5;
$custom-dark: #000000;

JSON

{
  "hex": "#4555ac",
  "rgb": {
    "r": 69,
    "g": 85,
    "b": 172
  },
  "hsl": {
    "h": 230.68,
    "s": 42.739,
    "l": 47.255
  },
  "oklch": {
    "l": 0.48324,
    "c": 0.13929,
    "h": 272.3
  },
  "luminance": 0.10741
}

Semantic roles & 50–950 ramp

primary

#4555AC

secondary

#C1B98C

accent

#BF55D3

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #4555AC

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

Preview Lab → · Contrast checker → · Palette generator →