#4A51CD#4A51CD

#4A51CD is a mid, vivid blue. Relative luminance 0.117; OKLCH L 50.4% C 0.189 H 274.9°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#4A51CD
RGB	rgb(74, 81, 205)
HSL	hsl(237, 57%, 55%)
HSV	hsv(237, 64%, 80%)
CMYK	cmyk(63.9%, 60.5%, 0%, 19.6%)
CIE-LAB	lab(40.81, 35.63, -65.22)
CIE-LCH	lch(40.81, 74.32, 298.65°)
OKLab	oklab(50.41% 0.0161 -0.1878)
OKLCH	oklch(50.41% 0.189 274.9)
XYZ	xyz(16.7823, 11.7471, 59.1288)
Luminance	0.1175 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A51CD #CDC64A

analogous

#4A93CD #4A51CD #854ACD

triadic

#4A51CD #CD4A51 #51CD4A

tetradic

#4A51CD #CD4A93 #CDC64A #4ACD85

square

#4A51CD #CD4A93 #CDC64A #4ACD85

split-complementary

#4A51CD #CD854A #93CD4A

monochromatic

#22277B #2F36AB #4A51CD #7A7FDA #AAADE7

Accessibility & contrast

On white

6.27

#4A51CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#4A51CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4A51CD

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A51CD	#FFFFFF	#000000	##FFFFFF
##4A51CD	1.00	6.27	3.35	6.27
#FFFFFF	6.27	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066D1

Deuteranopia (green-blind)

#005BCB

Tritanopia (blue-blind)

#007087

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4a51cd;
/* rgb */ color: rgb(74, 81, 205);
/* oklch */ color: oklch(50.4% 0.189 274.9);

Tailwind

colors: {
  custom: {
    50: '#8b82dd',
    500: '#4a51cd',
    950: '#000000',
  },
}

SCSS

$custom: #4a51cd;
$custom-light: #8b82dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4a51cd",
  "rgb": {
    "r": 74,
    "g": 81,
    "b": 205
  },
  "hsl": {
    "h": 236.794,
    "s": 56.71,
    "l": 54.706
  },
  "oklch": {
    "l": 0.50407,
    "c": 0.18851,
    "h": 274.9
  },
  "luminance": 0.11748
}

Semantic roles & 50–950 ramp

primary

#4A51CD

secondary

#D5D29E

accent

#D848E0

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #4A51CD

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

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