#4A51D0#4A51D0

#4A51D0 is a mid, vivid blue. Relative luminance 0.119; OKLCH L 50.7% C 0.192 H 274.8°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#4A51D0
RGB	rgb(74, 81, 208)
HSL	hsl(237, 59%, 55%)
HSV	hsv(237, 64%, 82%)
CMYK	cmyk(64.4%, 61.1%, 0%, 18.4%)
CIE-LAB	lab(41.05, 36.64, -66.57)
CIE-LCH	lch(41.05, 75.99, 298.83°)
OKLab	oklab(50.65% 0.016 -0.1918)
OKLCH	oklch(50.65% 0.192 274.8)
XYZ	xyz(17.1479, 11.8933, 61.0542)
Luminance	0.1190 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A51D0 #D0C94A

analogous

#4A94D0 #4A51D0 #864AD0

triadic

#4A51D0 #D04A51 #51D04A

tetradic

#4A51D0 #D04A94 #D0C94A #4AD086

square

#4A51D0 #D04A94 #D0C94A #4AD086

split-complementary

#4A51D0 #D0864A #94D04A

monochromatic

#21267F #2E34AF #4A51D0 #7B80DD #ABAEE9

Accessibility & contrast

On white

6.21

#4A51D0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#4A51D0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4A51D0

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A51D0	#FFFFFF	#000000	##FFFFFF
##4A51D0	1.00	6.21	3.38	6.21
#FFFFFF	6.21	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067D4

Deuteranopia (green-blind)

#005BCE

Tritanopia (blue-blind)

#007189

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #4a51d0;
/* rgb */ color: rgb(74, 81, 208);
/* oklch */ color: oklch(50.7% 0.192 274.8);

Tailwind

colors: {
  custom: {
    50: '#8b82df',
    500: '#4a51d0',
    950: '#000000',
  },
}

SCSS

$custom: #4a51d0;
$custom-light: #8b82df;
$custom-dark: #000000;

JSON

{
  "hex": "#4a51d0",
  "rgb": {
    "r": 74,
    "g": 81,
    "b": 208
  },
  "hsl": {
    "h": 236.866,
    "s": 58.772,
    "l": 55.294
  },
  "oklch": {
    "l": 0.50653,
    "c": 0.19245,
    "h": 274.8
  },
  "luminance": 0.11895
}

Semantic roles & 50–950 ramp

primary

#4A51D0

secondary

#D7D49F

accent

#DA46E2

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #4A51D0

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

Preview Lab → · Contrast checker → · Palette generator →