#4A51D8#4A51D8

#4A51D8 is a mid, highly saturated blue. Relative luminance 0.123; OKLCH L 51.3% C 0.203 H 274.4°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#4A51D8
RGB	rgb(74, 81, 216)
HSL	hsl(237, 65%, 57%)
HSV	hsv(237, 66%, 85%)
CMYK	cmyk(65.7%, 62.5%, 0%, 15.3%)
CIE-LAB	lab(41.68, 39.33, -70.12)
CIE-LCH	lch(41.68, 80.39, 299.28°)
OKLab	oklab(51.32% 0.0156 -0.2022)
OKLCH	oklch(51.32% 0.203 274.4)
XYZ	xyz(18.1570, 12.2970, 66.3691)
Luminance	0.1230 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A51D8 #D8D14A

analogous

#4A98D8 #4A51D8 #8A4AD8

triadic

#4A51D8 #D84A51 #51D84A

tetradic

#4A51D8 #D84A98 #D8D14A #4AD88A

square

#4A51D8 #D84A98 #D8D14A #4AD88A

split-complementary

#4A51D8 #D88A4A #98D84A

monochromatic

#1E238A #2930BC #4A51D8 #7C81E3 #AFB2EE

Accessibility & contrast

On white

6.07

#4A51D8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#4A51D8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4A51D8

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A51D8	#FFFFFF	#000000	##FFFFFF
##4A51D8	1.00	6.07	3.46	6.07
#FFFFFF	6.07	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069DC

Deuteranopia (green-blind)

#005CD5

Tritanopia (blue-blind)

#00738D

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #4a51d8;
/* rgb */ color: rgb(74, 81, 216);
/* oklch */ color: oklch(51.3% 0.203 274.4);

Tailwind

colors: {
  custom: {
    50: '#8d82e5',
    500: '#4a51d8',
    950: '#000000',
  },
}

SCSS

$custom: #4a51d8;
$custom-light: #8d82e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4a51d8",
  "rgb": {
    "r": 74,
    "g": 81,
    "b": 216
  },
  "hsl": {
    "h": 237.042,
    "s": 64.545,
    "l": 56.863
  },
  "oklch": {
    "l": 0.51321,
    "c": 0.20281,
    "h": 274.4
  },
  "luminance": 0.12299
}

Semantic roles & 50–950 ramp

primary

#4A51D8

secondary

#DCD9A2

accent

#DF40E8

background

#F9F7FE

surface

#F2EEFC

border

#CCC9D5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #4A51D8

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

Preview Lab → · Contrast checker → · Palette generator →