#4558B3#4558B3

#4558B3 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.4% C 0.145 H 271.3°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#4558B3
RGB	rgb(69, 88, 179)
HSL	hsl(230, 44%, 49%)
HSV	hsv(230, 61%, 70%)
CMYK	cmyk(61.5%, 50.8%, 0%, 29.8%)
CIE-LAB	lab(40.41, 21.41, -50.74)
CIE-LCH	lch(40.41, 55.07, 292.88°)
OKLab	oklab(49.43% 0.0033 -0.1453)
OKLCH	oklch(49.43% 0.145 271.3)
XYZ	xyz(14.0779, 11.4982, 44.1166)
Luminance	0.1150 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4558B3 #B3A045

analogous

#458FB3 #4558B3 #6945B3

triadic

#4558B3 #B34558 #58B345

tetradic

#4558B3 #B3458F #B3A045 #45B369

square

#4558B3 #B3458F #B3A045 #45B369

split-complementary

#4558B3 #B36945 #8FB345

monochromatic

#232D5B #344287 #4558B3 #6E7DC7 #9AA5D8

Accessibility & contrast

On white

6.36

#4558B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#4558B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4558B3

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4558B3	#FFFFFF	#000000	##FFFFFF
##4558B3	1.00	6.36	3.30	6.36
#FFFFFF	6.36	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2664B6

Deuteranopia (green-blind)

#0A5BB1

Tritanopia (blue-blind)

#006D7D

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #4558b3;
/* rgb */ color: rgb(69, 88, 179);
/* oklch */ color: oklch(49.4% 0.145 271.3);

Tailwind

colors: {
  custom: {
    50: '#8386ca',
    500: '#4558b3',
    950: '#000000',
  },
}

SCSS

$custom: #4558b3;
$custom-light: #8386ca;
$custom-dark: #000000;

JSON

{
  "hex": "#4558b3",
  "rgb": {
    "r": 69,
    "g": 88,
    "b": 179
  },
  "hsl": {
    "h": 229.636,
    "s": 44.355,
    "l": 48.627
  },
  "oklch": {
    "l": 0.49431,
    "c": 0.14532,
    "h": 271.3
  },
  "luminance": 0.11499
}

Semantic roles & 50–950 ramp

primary

#4558B3

secondary

#C4BB8F

accent

#BE54D4

background

#F8F8FC

surface

#F0EFF8

border

#CBCAD1

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #4558B3

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

Preview Lab → · Contrast checker → · Palette generator →