#4558A8#4558A8

#4558A8 is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.7% C 0.130 H 270.9°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#4558A8
RGB	rgb(69, 88, 168)
HSL	hsl(228, 42%, 46%)
HSV	hsv(228, 59%, 66%)
CMYK	cmyk(58.9%, 47.6%, 0%, 34.1%)
CIE-LAB	lab(39.70, 17.59, -45.38)
CIE-LCH	lch(39.70, 48.67, 291.19°)
OKLab	oklab(48.67% 0.002 -0.1295)
OKLCH	oklch(48.67% 0.13 270.9)
XYZ	xyz(13.0095, 11.0708, 38.4895)
Luminance	0.1107 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4558A8 #A89545

analogous

#458AA8 #4558A8 #6445A8

triadic

#4558A8 #A84558 #58A845

tetradic

#4558A8 #A8458A #A89545 #45A864

square

#4558A8 #A8458A #A89545 #45A864

split-complementary

#4558A8 #A86445 #8AA845

monochromatic

#212B51 #33417D #4558A8 #697AC1 #94A0D3

Accessibility & contrast

On white

6.53

#4558A8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#4558A8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4558A8

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4558A8	#FFFFFF	#000000	##FFFFFF
##4558A8	1.00	6.53	3.21	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3262AB

Deuteranopia (green-blind)

#2359A6

Tritanopia (blue-blind)

#006A78

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #4558a8;
/* rgb */ color: rgb(69, 88, 168);
/* oklch */ color: oklch(48.7% 0.130 270.9);

Tailwind

colors: {
  custom: {
    50: '#8186c2',
    500: '#4558a8',
    950: '#000000',
  },
}

SCSS

$custom: #4558a8;
$custom-light: #8186c2;
$custom-dark: #000000;

JSON

{
  "hex": "#4558a8",
  "rgb": {
    "r": 69,
    "g": 88,
    "b": 168
  },
  "hsl": {
    "h": 228.485,
    "s": 41.772,
    "l": 46.471
  },
  "oklch": {
    "l": 0.48667,
    "c": 0.12953,
    "h": 270.9
  },
  "luminance": 0.11072
}

Semantic roles & 50–950 ramp

primary

#4558A8

secondary

#BFB58A

accent

#BA56D2

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B12

muted

#7C7C81

Preview Lab

Preview with #4558A8

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

Preview Lab → · Contrast checker → · Palette generator →