#4159CC#4159CC

#4159CC is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.3% C 0.180 H 270.0°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#4159CC
RGB	rgb(65, 89, 204)
HSL	hsl(230, 58%, 53%)
HSV	hsv(230, 68%, 80%)
CMYK	cmyk(68.1%, 56.4%, 0%, 20%)
CIE-LAB	lab(42.20, 28.91, -62.42)
CIE-LCH	lch(42.20, 68.79, 294.85°)
OKLab	oklab(51.27% -0.0001 -0.1797)
OKLCH	oklch(51.27% 0.18 270)
XYZ	xyz(16.6477, 12.6266, 58.6749)
Luminance	0.1263 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4159CC #CCB441

analogous

#419FCC #4159CC #6E41CC

triadic

#4159CC #CC4159 #59CC41

tetradic

#4159CC #CC419F #CCB441 #41CC6E

square

#4159CC #CC419F #CCB441 #41CC6E

split-complementary

#4159CC #CC6E41 #9FCC41

monochromatic

#1F2E74 #2C41A4 #4159CC #7183D9 #A1ADE6

Accessibility & contrast

On white

5.96

#4159CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#4159CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4159CC

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4159CC	#FFFFFF	#000000	##FFFFFF
##4159CC	1.00	5.96	3.53	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD0

Deuteranopia (green-blind)

#005DCA

Tritanopia (blue-blind)

#00758A

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4159cc;
/* rgb */ color: rgb(65, 89, 204);
/* oklch */ color: oklch(51.3% 0.180 270.0);

Tailwind

colors: {
  custom: {
    50: '#8687dc',
    500: '#4159cc',
    950: '#000000',
  },
}

SCSS

$custom: #4159cc;
$custom-light: #8687dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4159cc",
  "rgb": {
    "r": 65,
    "g": 89,
    "b": 204
  },
  "hsl": {
    "h": 229.64,
    "s": 57.676,
    "l": 52.745
  },
  "oklch": {
    "l": 0.51273,
    "c": 0.17971,
    "h": 270
  },
  "luminance": 0.12628
}

Semantic roles & 50–950 ramp

primary

#4159CC

secondary

#D3C896

accent

#C647E1

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #4159CC

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

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