#4559AB#4559AB

#4559AB is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.1% C 0.133 H 270.6°. Best body text is #FFFFFF at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#4559AB
RGB	rgb(69, 89, 171)
HSL	hsl(228, 43%, 47%)
HSV	hsv(228, 60%, 67%)
CMYK	cmyk(59.6%, 48%, 0%, 32.9%)
CIE-LAB	lab(40.16, 17.99, -46.41)
CIE-LCH	lch(40.16, 49.78, 291.18°)
OKLab	oklab(49.08% 0.0013 -0.1325)
OKLCH	oklch(49.08% 0.133 270.6)
XYZ	xyz(13.3749, 11.3492, 40.0060)
Luminance	0.1135 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4559AB #AB9745

analogous

#458CAB #4559AB #6445AB

triadic

#4559AB #AB4559 #59AB45

tetradic

#4559AB #AB458C #AB9745 #45AB64

square

#4559AB #AB458C #AB9745 #45AB64

split-complementary

#4559AB #AB6445 #8CAB45

monochromatic

#222C54 #33427F #4559AB #6A7CC3 #96A2D5

Accessibility & contrast

On white

6.42

#4559AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#4559AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4559AB

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4559AB	#FFFFFF	#000000	##FFFFFF
##4559AB	1.00	6.42	3.27	6.42
#FFFFFF	6.42	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3163AE

Deuteranopia (green-blind)

#215AA9

Tritanopia (blue-blind)

#006B7A

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #4559ab;
/* rgb */ color: rgb(69, 89, 171);
/* oklch */ color: oklch(49.1% 0.133 270.6);

Tailwind

colors: {
  custom: {
    50: '#8287c4',
    500: '#4559ab',
    950: '#000000',
  },
}

SCSS

$custom: #4559ab;
$custom-light: #8287c4;
$custom-dark: #000000;

JSON

{
  "hex": "#4559ab",
  "rgb": {
    "r": 69,
    "g": 89,
    "b": 171
  },
  "hsl": {
    "h": 228.235,
    "s": 42.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.4908,
    "c": 0.13256,
    "h": 270.6
  },
  "luminance": 0.1135
}

Semantic roles & 50–950 ramp

primary

#4559AB

secondary

#C0B68B

accent

#BA56D2

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #4559AB

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

Preview Lab → · Contrast checker → · Palette generator →