#4C51DC#4C51DC

#4C51DC is a mid, highly saturated blue. Relative luminance 0.126; OKLCH L 51.8% C 0.207 H 274.9°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#4C51DC
RGB	rgb(76, 81, 220)
HSL	hsl(238, 67%, 58%)
HSV	hsv(238, 65%, 86%)
CMYK	cmyk(65.5%, 63.2%, 0%, 13.7%)
CIE-LAB	lab(42.13, 40.94, -71.67)
CIE-LCH	lch(42.13, 82.53, 299.73°)
OKLab	oklab(51.78% 0.0176 -0.2067)
OKLCH	oklch(51.78% 0.207 274.9)
XYZ	xyz(18.8369, 12.5870, 69.1331)
Luminance	0.1259 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C51DC #DCD74C

analogous

#4C99DC #4C51DC #8F4CDC

triadic

#4C51DC #DC4C51 #51DC4C

tetradic

#4C51DC #DC4C99 #DCD74C #4CDC8F

square

#4C51DC #DC4C99 #DCD74C #4CDC8F

split-complementary

#4C51DC #DC8F4C #99DC4C

monochromatic

#1C2091 #262CC4 #4C51DC #7F83E6 #B2B5F0

Accessibility & contrast

On white

5.97

#4C51DC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#4C51DC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C51DC

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C51DC	#FFFFFF	#000000	##FFFFFF
##4C51DC	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AE0

Deuteranopia (green-blind)

#005DD9

Tritanopia (blue-blind)

#00758F

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4c51dc;
/* rgb */ color: rgb(76, 81, 220);
/* oklch */ color: oklch(51.8% 0.207 274.9);

Tailwind

colors: {
  custom: {
    50: '#8e82e8',
    500: '#4c51dc',
    950: '#000000',
  },
}

SCSS

$custom: #4c51dc;
$custom-light: #8e82e8;
$custom-dark: #000000;

JSON

{
  "hex": "#4c51dc",
  "rgb": {
    "r": 76,
    "g": 81,
    "b": 220
  },
  "hsl": {
    "h": 237.917,
    "s": 67.29,
    "l": 58.039
  },
  "oklch": {
    "l": 0.51784,
    "c": 0.20745,
    "h": 274.9
  },
  "luminance": 0.12589
}

Semantic roles & 50–950 ramp

primary

#4C51DC

secondary

#DFDDA5

accent

#E43EEA

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #4C51DC

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

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