#4951E3#4951E3

#4951E3 is a mid, highly saturated blue. Relative luminance 0.128; OKLCH L 52.2% C 0.217 H 273.6°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#4951E3
RGB	rgb(73, 81, 227)
HSL	hsl(237, 73%, 59%)
HSV	hsv(237, 68%, 89%)
CMYK	cmyk(67.8%, 64.3%, 0%, 11%)
CIE-LAB	lab(42.53, 42.87, -75.01)
CIE-LCH	lch(42.53, 86.40, 299.75°)
OKLab	oklab(52.2% 0.0138 -0.2166)
OKLCH	oklch(52.2% 0.217 273.6)
XYZ	xyz(19.5506, 12.8455, 74.1073)
Luminance	0.1285 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4951E3 #E3DB49

analogous

#499EE3 #4951E3 #8E49E3

triadic

#4951E3 #E34951 #51E349

tetradic

#4951E3 #E3499E #E3DB49 #49E38E

square

#4951E3 #E3499E #E3DB49 #49E38E

split-complementary

#4951E3 #E38E49 #9EE349

monochromatic

#181E9A #2029CF #4951E3 #7E84EB #B3B6F3

Accessibility & contrast

On white

5.88

#4951E3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#4951E3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4951E3

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4951E3	#FFFFFF	#000000	##FFFFFF
##4951E3	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CE8

Deuteranopia (green-blind)

#005DE0

Tritanopia (blue-blind)

#007793

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4951e3;
/* rgb */ color: rgb(73, 81, 227);
/* oklch */ color: oklch(52.2% 0.217 273.6);

Tailwind

colors: {
  custom: {
    50: '#8e82ed',
    500: '#4951e3',
    950: '#000000',
  },
}

SCSS

$custom: #4951e3;
$custom-light: #8e82ed;
$custom-dark: #000000;

JSON

{
  "hex": "#4951e3",
  "rgb": {
    "r": 73,
    "g": 81,
    "b": 227
  },
  "hsl": {
    "h": 236.883,
    "s": 73.333,
    "l": 58.824
  },
  "oklch": {
    "l": 0.52204,
    "c": 0.21702,
    "h": 273.6
  },
  "luminance": 0.12847
}

Semantic roles & 50–950 ramp

primary

#4951E3

secondary

#E2DFA6

accent

#E638F0

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #4951E3

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

Preview Lab → · Contrast checker → · Palette generator →