#4957DA#4957DA

#4957DA is a mid, vivid blue. Relative luminance 0.133; OKLCH L 52.5% C 0.199 H 272.8°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#4957DA
RGB	rgb(73, 87, 218)
HSL	hsl(234, 66%, 57%)
HSV	hsv(234, 67%, 85%)
CMYK	cmyk(66.5%, 60.1%, 0%, 14.5%)
CIE-LAB	lab(43.20, 36.18, -68.79)
CIE-LCH	lch(43.20, 77.72, 297.74°)
OKLab	oklab(52.47% 0.0098 -0.1983)
OKLCH	oklch(52.47% 0.199 272.8)
XYZ	xyz(18.8065, 13.2931, 67.8908)
Luminance	0.1330 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4957DA #DACC49

analogous

#49A0DA #4957DA #8449DA

triadic

#4957DA #DA4957 #57DA49

tetradic

#4957DA #DA49A0 #DACC49 #49DA84

square

#4957DA #DA49A0 #DACC49 #49DA84

split-complementary

#4957DA #DA8449 #A0DA49

monochromatic

#1C278C #2736BF #4957DA #7C86E4 #AFB5EF

Accessibility & contrast

On white

5.74

#4957DA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#4957DA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4957DA

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4957DA	#FFFFFF	#000000	##FFFFFF
##4957DA	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DDE

Deuteranopia (green-blind)

#0060D7

Tritanopia (blue-blind)

#007890

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #4957da;
/* rgb */ color: rgb(73, 87, 218);
/* oklch */ color: oklch(52.5% 0.199 272.8);

Tailwind

colors: {
  custom: {
    50: '#8c86e6',
    500: '#4957da',
    950: '#000000',
  },
}

SCSS

$custom: #4957da;
$custom-light: #8c86e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4957da",
  "rgb": {
    "r": 73,
    "g": 87,
    "b": 218
  },
  "hsl": {
    "h": 234.207,
    "s": 66.21,
    "l": 57.059
  },
  "oklch": {
    "l": 0.52472,
    "c": 0.19852,
    "h": 272.8
  },
  "luminance": 0.13295
}

Semantic roles & 50–950 ramp

primary

#4957DA

secondary

#DDD7A2

accent

#D93FE9

background

#F9F8FE

surface

#F2EFFC

border

#CCCAD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #4957DA

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

Preview Lab → · Contrast checker → · Palette generator →