#5A78CA#5A78CA

#5A78CA is a mid, vivid blue. Relative luminance 0.199; OKLCH L 58.8% C 0.131 H 267.2°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#5A78CA
RGB	rgb(90, 120, 202)
HSL	hsl(224, 51%, 57%)
HSV	hsv(224, 55%, 79%)
CMYK	cmyk(55.4%, 40.6%, 0%, 20.8%)
CIE-LAB	lab(51.69, 13.31, -45.94)
CIE-LCH	lch(51.69, 47.83, 286.16°)
OKLab	oklab(58.82% -0.0064 -0.1304)
OKLCH	oklch(58.82% 0.131 267.2)
XYZ	xyz(21.5900, 19.8692, 58.5631)
Luminance	0.1987 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A78CA #CAAC5A

analogous

#5AB0CA #5A78CA #745ACA

triadic

#5A78CA #CA5A78 #78CA5A

tetradic

#5A78CA #CA5AB0 #CAAC5A #5ACA74

square

#5A78CA #CA5AB0 #CAAC5A #5ACA74

split-complementary

#5A78CA #CA745A #B0CA5A

monochromatic

#294180 #3858AF #5A78CA #889ED9 #B7C4E8

Accessibility & contrast

On white

4.22

#5A78CA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#5A78CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5A78CA

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A78CA	#FFFFFF	#000000	##000000
##5A78CA	1.00	4.22	4.97	4.97
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5681CD

Deuteranopia (green-blind)

#4877C8

Tritanopia (blue-blind)

#178A97

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #5a78ca;
/* rgb */ color: rgb(90, 120, 202);
/* oklch */ color: oklch(58.8% 0.131 267.2);

Tailwind

colors: {
  custom: {
    50: '#909eda',
    500: '#5a78ca',
    950: '#000000',
  },
}

SCSS

$custom: #5a78ca;
$custom-light: #909eda;
$custom-dark: #000000;

JSON

{
  "hex": "#5a78ca",
  "rgb": {
    "r": 90,
    "g": 120,
    "b": 202
  },
  "hsl": {
    "h": 223.929,
    "s": 51.376,
    "l": 57.255
  },
  "oklch": {
    "l": 0.58816,
    "c": 0.13055,
    "h": 267.2
  },
  "luminance": 0.19871
}

Semantic roles & 50–950 ramp

primary

#5A78CA

secondary

#D7CAA9

accent

#B54DDB

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #5A78CA

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

Preview Lab → · Contrast checker → · Palette generator →