#5A78BB#5A78BB

#5A78BB is a mid, moderate blue. Relative luminance 0.192; OKLCH L 58.0% C 0.109 H 264.9°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#5A78BB
RGB	rgb(90, 120, 187)
HSL	hsl(221, 42%, 54%)
HSV	hsv(221, 52%, 73%)
CMYK	cmyk(51.9%, 35.8%, 0%, 26.7%)
CIE-LAB	lab(50.91, 8.48, -38.58)
CIE-LCH	lch(50.91, 39.50, 282.40°)
OKLab	oklab(57.96% -0.0097 -0.1089)
OKLCH	oklch(57.96% 0.109 264.9)
XYZ	xyz(19.8996, 19.1931, 49.6601)
Luminance	0.1919 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A78BB #BB9D5A

analogous

#5AA9BB #5A78BB #6D5ABB

triadic

#5A78BB #BB5A78 #78BB5A

tetradic

#5A78BB #BB5AA9 #BB9D5A #5ABB6D

square

#5A78BB #BB5AA9 #BB9D5A #5ABB6D

split-complementary

#5A78BB #BB6D5A #A9BB5A

monochromatic

#2D416D #3F5B99 #5A78BB #859BCD #B1BFDF

Accessibility & contrast

On white

4.34

#5A78BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#5A78BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5A78BB

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A78BB	#FFFFFF	#000000	##000000
##5A78BB	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E7EBE

Deuteranopia (green-blind)

#5375BA

Tritanopia (blue-blind)

#2C8691

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #5a78bb;
/* rgb */ color: rgb(90, 120, 187);
/* oklch */ color: oklch(58.0% 0.109 264.9);

Tailwind

colors: {
  custom: {
    50: '#8f9ed0',
    500: '#5a78bb',
    950: '#000000',
  },
}

SCSS

$custom: #5a78bb;
$custom-light: #8f9ed0;
$custom-dark: #000000;

JSON

{
  "hex": "#5a78bb",
  "rgb": {
    "r": 90,
    "g": 120,
    "b": 187
  },
  "hsl": {
    "h": 221.443,
    "s": 41.631,
    "l": 54.314
  },
  "oklch": {
    "l": 0.57962,
    "c": 0.10932,
    "h": 264.9
  },
  "luminance": 0.19194
}

Semantic roles & 50–950 ramp

primary

#5A78BB

secondary

#CDC0A4

accent

#AB56D1

background

#F9F9FC

surface

#F1F2F9

border

#CBCCD2

text

#0D0E14

muted

#7E7E82

Preview Lab

Preview with #5A78BB

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

Preview Lab → · Contrast checker → · Palette generator →