#5978CC#5978CC

#5978CC is a mid, vivid blue. Relative luminance 0.199; OKLCH L 58.9% C 0.134 H 267.0°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#5978CC
RGB	rgb(89, 120, 204)
HSL	hsl(224, 53%, 57%)
HSV	hsv(224, 56%, 80%)
CMYK	cmyk(56.4%, 41.2%, 0%, 20%)
CIE-LAB	lab(51.74, 13.76, -47.00)
CIE-LCH	lch(51.74, 48.98, 286.31°)
OKLab	oklab(58.88% -0.007 -0.1335)
OKLCH	oklch(58.88% 0.134 267)
XYZ	xyz(21.7317, 19.9147, 59.8138)
Luminance	0.1992 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5978CC #CCAD59

analogous

#59B1CC #5978CC #7459CC

triadic

#5978CC #CC5978 #78CC59

tetradic

#5978CC #CC59B1 #CCAD59 #59CC74

square

#5978CC #CC59B1 #CCAD59 #59CC74

split-complementary

#5978CC #CC7459 #B1CC59

monochromatic

#284083 #3658B1 #5978CC #889EDA #B7C4E9

Accessibility & contrast

On white

4.21

#5978CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#5978CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5978CC

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5978CC	#FFFFFF	#000000	##000000
##5978CC	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)

#5481CF

Deuteranopia (green-blind)

#4677CA

Tritanopia (blue-blind)

#0A8A98

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #5978cc;
/* rgb */ color: rgb(89, 120, 204);
/* oklch */ color: oklch(58.9% 0.134 267.0);

Tailwind

colors: {
  custom: {
    50: '#909edc',
    500: '#5978cc',
    950: '#000000',
  },
}

SCSS

$custom: #5978cc;
$custom-light: #909edc;
$custom-dark: #000000;

JSON

{
  "hex": "#5978cc",
  "rgb": {
    "r": 89,
    "g": 120,
    "b": 204
  },
  "hsl": {
    "h": 223.826,
    "s": 52.995,
    "l": 57.451
  },
  "oklch": {
    "l": 0.58876,
    "c": 0.1337,
    "h": 267
  },
  "luminance": 0.19916
}

Semantic roles & 50–950 ramp

primary

#5978CC

secondary

#D8CBA9

accent

#B54BDC

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #5978CC

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

Preview Lab → · Contrast checker → · Palette generator →