#4C59CF#4C59CF

#4C59CF is a mid, vivid blue. Relative luminance 0.132; OKLCH L 52.1% C 0.181 H 273.6°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#4C59CF
RGB	rgb(76, 89, 207)
HSL	hsl(234, 58%, 55%)
HSV	hsv(234, 63%, 81%)
CMYK	cmyk(63.3%, 57%, 0%, 18.8%)
CIE-LAB	lab(43.04, 31.64, -62.74)
CIE-LCH	lch(43.04, 70.27, 296.76°)
OKLab	oklab(52.14% 0.0114 -0.1804)
OKLCH	oklch(52.14% 0.181 273.6)
XYZ	xyz(17.8116, 13.1847, 60.6257)
Luminance	0.1319 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C59CF #CFC24C

analogous

#4C9ACF #4C59CF #804CCF

triadic

#4C59CF #CF4C59 #59CF4C

tetradic

#4C59CF #CF4C9A #CFC24C #4CCF80

square

#4C59CF #CF4C9A #CFC24C #4CCF80

split-complementary

#4C59CF #CF804C #9ACF4C

monochromatic

#222B7F #2F3CAF #4C59CF #7C86DC #ADB3E9

Accessibility & contrast

On white

5.77

#4C59CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#4C59CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C59CF

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C59CF	#FFFFFF	#000000	##FFFFFF
##4C59CF	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD3

Deuteranopia (green-blind)

#0060CD

Tritanopia (blue-blind)

#00758B

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #4c59cf;
/* rgb */ color: rgb(76, 89, 207);
/* oklch */ color: oklch(52.1% 0.181 273.6);

Tailwind

colors: {
  custom: {
    50: '#8b87de',
    500: '#4c59cf',
    950: '#000000',
  },
}

SCSS

$custom: #4c59cf;
$custom-light: #8b87de;
$custom-dark: #000000;

JSON

{
  "hex": "#4c59cf",
  "rgb": {
    "r": 76,
    "g": 89,
    "b": 207
  },
  "hsl": {
    "h": 234.046,
    "s": 57.709,
    "l": 55.49
  },
  "oklch": {
    "l": 0.52139,
    "c": 0.18078,
    "h": 273.6
  },
  "luminance": 0.13186
}

Semantic roles & 50–950 ramp

primary

#4C59CF

secondary

#D7D1A0

accent

#D247E1

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4C59CF

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

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