#5478CF#5478CF

#5478CF is a mid, vivid blue. Relative luminance 0.198; OKLCH L 58.8% C 0.140 H 265.4°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#5478CF
RGB	rgb(84, 120, 207)
HSL	hsl(222, 56%, 57%)
HSV	hsv(222, 59%, 81%)
CMYK	cmyk(59.4%, 42%, 0%, 18.8%)
CIE-LAB	lab(51.63, 13.74, -48.90)
CIE-LCH	lch(51.63, 50.79, 285.70°)
OKLab	oklab(58.78% -0.0112 -0.1392)
OKLCH	oklch(58.78% 0.14 265.4)
XYZ	xyz(21.6313, 19.8209, 61.7053)
Luminance	0.1982 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5478CF #CFAB54

analogous

#54B6CF #5478CF #6E54CF

triadic

#5478CF #CF5478 #78CF54

tetradic

#5478CF #CF54B6 #CFAB54 #54CF6E

square

#5478CF #CF54B6 #CFAB54 #54CF6E

split-complementary

#5478CF #CF6E54 #B6CF54

monochromatic

#254184 #3258B3 #5478CF #849EDC #B4C3EA

Accessibility & contrast

On white

4.23

#5478CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#5478CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5478CF

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5478CF	#FFFFFF	#000000	##000000
##5478CF	1.00	4.23	4.96	4.96
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5281D2

Deuteranopia (green-blind)

#4076CD

Tritanopia (blue-blind)

#008B99

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #5478cf;
/* rgb */ color: rgb(84, 120, 207);
/* oklch */ color: oklch(58.8% 0.140 265.4);

Tailwind

colors: {
  custom: {
    50: '#8e9ede',
    500: '#5478cf',
    950: '#000000',
  },
}

SCSS

$custom: #5478cf;
$custom-light: #8e9ede;
$custom-dark: #000000;

JSON

{
  "hex": "#5478cf",
  "rgb": {
    "r": 84,
    "g": 120,
    "b": 207
  },
  "hsl": {
    "h": 222.439,
    "s": 56.164,
    "l": 57.059
  },
  "oklch": {
    "l": 0.58775,
    "c": 0.13961,
    "h": 265.4
  },
  "luminance": 0.19823
}

Semantic roles & 50–950 ramp

primary

#5478CF

secondary

#D8CAA6

accent

#B348DF

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #5478CF

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

Preview Lab → · Contrast checker → · Palette generator →