#4459CB#4459CB

#4459CB is a mid, vivid blue. Relative luminance 0.127; OKLCH L 51.4% C 0.178 H 270.9°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#4459CB
RGB	rgb(68, 89, 203)
HSL	hsl(231, 56%, 53%)
HSV	hsv(231, 67%, 80%)
CMYK	cmyk(66.5%, 56.2%, 0%, 20.4%)
CIE-LAB	lab(42.28, 29.01, -61.69)
CIE-LCH	lch(42.28, 68.17, 295.18°)
OKLab	oklab(51.36% 0.0029 -0.1775)
OKLCH	oklch(51.36% 0.178 270.9)
XYZ	xyz(16.7321, 12.6839, 58.0548)
Luminance	0.1268 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4459CB #CBB644

analogous

#449CCB #4459CB #7344CB

triadic

#4459CB #CB4459 #59CB44

tetradic

#4459CB #CB449C #CBB644 #44CB73

square

#4459CB #CB449C #CBB644 #44CB73

split-complementary

#4459CB #CB7344 #9CCB44

monochromatic

#202D74 #2E40A4 #4459CB #7484D8 #A4AEE6

Accessibility & contrast

On white

5.94

#4459CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#4459CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4459CB

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4459CB	#FFFFFF	#000000	##FFFFFF
##4459CB	1.00	5.94	3.54	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ACF

Deuteranopia (green-blind)

#005EC9

Tritanopia (blue-blind)

#007589

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4459cb;
/* rgb */ color: rgb(68, 89, 203);
/* oklch */ color: oklch(51.4% 0.178 270.9);

Tailwind

colors: {
  custom: {
    50: '#8787dc',
    500: '#4459cb',
    950: '#000000',
  },
}

SCSS

$custom: #4459cb;
$custom-light: #8787dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4459cb",
  "rgb": {
    "r": 68,
    "g": 89,
    "b": 203
  },
  "hsl": {
    "h": 230.667,
    "s": 56.485,
    "l": 53.137
  },
  "oklch": {
    "l": 0.51359,
    "c": 0.17753,
    "h": 270.9
  },
  "luminance": 0.12685
}

Semantic roles & 50–950 ramp

primary

#4459CB

secondary

#D3C998

accent

#C848E0

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0D0B15

muted

#7D7C83

Preview Lab

Preview with #4459CB

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

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