#5B78CA#5B78CA

#5B78CA is a mid, vivid blue. Relative luminance 0.199; OKLCH L 58.9% C 0.130 H 267.6°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#5B78CA
RGB	rgb(91, 120, 202)
HSL	hsl(224, 51%, 57%)
HSV	hsv(224, 55%, 79%)
CMYK	cmyk(55%, 40.6%, 0%, 20.8%)
CIE-LAB	lab(51.75, 13.53, -45.85)
CIE-LCH	lch(51.75, 47.80, 286.44°)
OKLab	oklab(58.88% -0.0054 -0.1301)
OKLCH	oklch(58.88% 0.13 267.6)
XYZ	xyz(21.6880, 19.9197, 58.5677)
Luminance	0.1992 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B78CA #CAAD5B

analogous

#5BB0CA #5B78CA #755BCA

triadic

#5B78CA #CA5B78 #78CA5B

tetradic

#5B78CA #CA5BB0 #CAAD5B #5BCA75

square

#5B78CA #CA5BB0 #CAAD5B #5BCA75

split-complementary

#5B78CA #CA755B #B0CA5B

monochromatic

#2A4081 #3958AF #5B78CA #899ED9 #B8C4E8

Accessibility & contrast

On white

4.21

#5B78CA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#5B78CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B78CA

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B78CA	#FFFFFF	#000000	##000000
##5B78CA	1.00	4.21	4.98	4.98
#FFFFFF	4.21	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5681CD

Deuteranopia (green-blind)

#4877C8

Tritanopia (blue-blind)

#1C8A97

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #5b78ca;
/* rgb */ color: rgb(91, 120, 202);
/* oklch */ color: oklch(58.9% 0.130 267.6);

Tailwind

colors: {
  custom: {
    50: '#919eda',
    500: '#5b78ca',
    950: '#000000',
  },
}

SCSS

$custom: #5b78ca;
$custom-light: #919eda;
$custom-dark: #000000;

JSON

{
  "hex": "#5b78ca",
  "rgb": {
    "r": 91,
    "g": 120,
    "b": 202
  },
  "hsl": {
    "h": 224.324,
    "s": 51.152,
    "l": 57.451
  },
  "oklch": {
    "l": 0.58875,
    "c": 0.1302,
    "h": 267.6
  },
  "luminance": 0.19921
}

Semantic roles & 50–950 ramp

primary

#5B78CA

secondary

#D7CBAA

accent

#B64DDB

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #5B78CA

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

Preview Lab → · Contrast checker → · Palette generator →