#4F51DC#4F51DC

#4F51DC is a mid, highly saturated blue. Relative luminance 0.127; OKLCH L 52.0% C 0.207 H 275.8°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#4F51DC
RGB	rgb(79, 81, 220)
HSL	hsl(239, 67%, 59%)
HSV	hsv(239, 64%, 86%)
CMYK	cmyk(64.1%, 63.2%, 0%, 13.7%)
CIE-LAB	lab(42.33, 41.36, -71.34)
CIE-LCH	lch(42.33, 82.46, 300.10°)
OKLab	oklab(51.98% 0.0211 -0.2057)
OKLCH	oklch(51.98% 0.207 275.8)
XYZ	xyz(19.0809, 12.7128, 69.1446)
Luminance	0.1271 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F51DC #DCDA4F

analogous

#4F97DC #4F51DC #934FDC

triadic

#4F51DC #DC4F51 #51DC4F

tetradic

#4F51DC #DC4F97 #DCDA4F #4FDC93

square

#4F51DC #DC4F97 #DCDA4F #4FDC93

split-complementary

#4F51DC #DC934F #97DC4F

monochromatic

#1D1F93 #272AC6 #4F51DC #8283E6 #B5B6F0

Accessibility & contrast

On white

5.93

#4F51DC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#4F51DC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F51DC

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F51DC	#FFFFFF	#000000	##FFFFFF
##4F51DC	1.00	5.93	3.54	5.93
#FFFFFF	5.93	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AE0

Deuteranopia (green-blind)

#005ED9

Tritanopia (blue-blind)

#00748F

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4f51dc;
/* rgb */ color: rgb(79, 81, 220);
/* oklch */ color: oklch(52.0% 0.207 275.8);

Tailwind

colors: {
  custom: {
    50: '#9082e8',
    500: '#4f51dc',
    950: '#000000',
  },
}

SCSS

$custom: #4f51dc;
$custom-light: #9082e8;
$custom-dark: #000000;

JSON

{
  "hex": "#4f51dc",
  "rgb": {
    "r": 79,
    "g": 81,
    "b": 220
  },
  "hsl": {
    "h": 239.149,
    "s": 66.825,
    "l": 58.627
  },
  "oklch": {
    "l": 0.51976,
    "c": 0.20674,
    "h": 275.8
  },
  "luminance": 0.12714
}

Semantic roles & 50–950 ramp

primary

#4F51DC

secondary

#DFDEA8

accent

#E73EEA

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #4F51DC

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

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