#4554AB#4554AB

#4554AB is a mid, vivid blue. Relative luminance 0.105; OKLCH L 48.0% C 0.139 H 272.7°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#4554AB
RGB	rgb(69, 84, 171)
HSL	hsl(231, 43%, 47%)
HSV	hsv(231, 60%, 67%)
CMYK	cmyk(59.6%, 50.9%, 0%, 32.9%)
CIE-LAB	lab(38.80, 21.21, -48.60)
CIE-LCH	lch(38.80, 53.03, 293.58°)
OKLab	oklab(48.05% 0.0066 -0.139)
OKLCH	oklch(48.05% 0.139 272.7)
XYZ	xyz(12.9728, 10.5451, 39.8720)
Luminance	0.1055 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4554AB #AB9C45

analogous

#4587AB #4554AB #6945AB

triadic

#4554AB #AB4554 #54AB45

tetradic

#4554AB #AB4587 #AB9C45 #45AB69

square

#4554AB #AB4587 #AB9C45 #45AB69

split-complementary

#4554AB #AB6945 #87AB45

monochromatic

#222954 #333F7F #4554AB #6A77C3 #969FD5

Accessibility & contrast

On white

6.75

#4554AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#4554AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4554AB

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4554AB	#FFFFFF	#000000	##FFFFFF
##4554AB	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2660AE

Deuteranopia (green-blind)

#1057A9

Tritanopia (blue-blind)

#006877

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #4554ab;
/* rgb */ color: rgb(69, 84, 171);
/* oklch */ color: oklch(48.0% 0.139 272.7);

Tailwind

colors: {
  custom: {
    50: '#8283c5',
    500: '#4554ab',
    950: '#000000',
  },
}

SCSS

$custom: #4554ab;
$custom-light: #8283c5;
$custom-dark: #000000;

JSON

{
  "hex": "#4554ab",
  "rgb": {
    "r": 69,
    "g": 84,
    "b": 171
  },
  "hsl": {
    "h": 231.176,
    "s": 42.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.48049,
    "c": 0.13919,
    "h": 272.7
  },
  "luminance": 0.10546
}

Semantic roles & 50–950 ramp

primary

#4554AB

secondary

#C0B98B

accent

#C056D2

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #4554AB

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

Preview Lab → · Contrast checker → · Palette generator →