#5B78CD#5B78CD

#5B78CD is a mid, vivid blue. Relative luminance 0.201; OKLCH L 59.1% C 0.134 H 267.9°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#5B78CD
RGB	rgb(91, 120, 205)
HSL	hsl(225, 53%, 58%)
HSV	hsv(225, 56%, 80%)
CMYK	cmyk(55.6%, 41.5%, 0%, 19.6%)
CIE-LAB	lab(51.91, 14.50, -47.30)
CIE-LCH	lch(51.91, 49.47, 287.05°)
OKLab	oklab(59.05% -0.0048 -0.1343)
OKLCH	oklch(59.05% 0.134 267.9)
XYZ	xyz(22.0466, 20.0632, 60.4566)
Luminance	0.2006 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B78CD #CDB05B

analogous

#5BB1CD #5B78CD #775BCD

triadic

#5B78CD #CD5B78 #78CD5B

tetradic

#5B78CD #CD5BB1 #CDB05B #5BCD77

square

#5B78CD #CD5BB1 #CDB05B #5BCD77

split-complementary

#5B78CD #CD775B #B1CD5B

monochromatic

#294085 #3757B4 #5B78CD #8A9FDB #B9C5EA

Accessibility & contrast

On white

4.19

#5B78CD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.01

#5B78CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B78CD

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B78CD	#FFFFFF	#000000	##000000
##5B78CD	1.00	4.19	5.01	5.01
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.01	21.00	1.00	1.00
##000000	5.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5481D0

Deuteranopia (green-blind)

#4677CB

Tritanopia (blue-blind)

#168B98

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #5b78cd;
/* rgb */ color: rgb(91, 120, 205);
/* oklch */ color: oklch(59.1% 0.134 267.9);

Tailwind

colors: {
  custom: {
    50: '#919edd',
    500: '#5b78cd',
    950: '#000000',
  },
}

SCSS

$custom: #5b78cd;
$custom-light: #919edd;
$custom-dark: #000000;

JSON

{
  "hex": "#5b78cd",
  "rgb": {
    "r": 91,
    "g": 120,
    "b": 205
  },
  "hsl": {
    "h": 224.737,
    "s": 53.271,
    "l": 58.039
  },
  "oklch": {
    "l": 0.59053,
    "c": 0.13443,
    "h": 267.9
  },
  "luminance": 0.20065
}

Semantic roles & 50–950 ramp

primary

#5B78CD

secondary

#D9CDAB

accent

#B84BDD

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #5B78CD

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

Preview Lab → · Contrast checker → · Palette generator →