#5978EB#5978EB

#5978EB is a mid, vivid blue. Relative luminance 0.216; OKLCH L 60.8% C 0.176 H 269.3°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#5978EB
RGB	rgb(89, 120, 235)
HSL	hsl(227, 78%, 64%)
HSV	hsv(227, 62%, 92%)
CMYK	cmyk(62.1%, 48.9%, 0%, 7.8%)
CIE-LAB	lab(53.55, 24.07, -61.59)
CIE-LCH	lch(53.55, 66.13, 291.35°)
OKLab	oklab(60.84% -0.0023 -0.1764)
OKLCH	oklch(60.84% 0.176 269.3)
XYZ	xyz(25.8266, 21.5527, 81.3802)
Luminance	0.2155 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5978EB #EBCC59

analogous

#59C1EB #5978EB #8359EB

triadic

#5978EB #EB5978 #78EB59

tetradic

#5978EB #EB59C1 #EBCC59 #59EB83

square

#5978EB #EB59C1 #EBCC59 #59EB83

split-complementary

#5978EB #EB8359 #C1EB59

monochromatic

#1637B4 #224CE4 #5978EB #90A4F2 #C6D1F8

Accessibility & contrast

On white

3.95

#5978EB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.31

#5978EB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5978EB

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5978EB	#FFFFFF	#000000	##000000
##5978EB	1.00	3.95	5.31	5.31
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.31	21.00	1.00	1.00
##000000	5.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A87EF

Deuteranopia (green-blind)

#187AE9

Tritanopia (blue-blind)

#0093A6

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #5978eb;
/* rgb */ color: rgb(89, 120, 235);
/* oklch */ color: oklch(60.8% 0.176 269.3);

Tailwind

colors: {
  custom: {
    50: '#959ef2',
    500: '#5978eb',
    950: '#000000',
  },
}

SCSS

$custom: #5978eb;
$custom-light: #959ef2;
$custom-dark: #000000;

JSON

{
  "hex": "#5978eb",
  "rgb": {
    "r": 89,
    "g": 120,
    "b": 235
  },
  "hsl": {
    "h": 227.26,
    "s": 78.495,
    "l": 63.529
  },
  "oklch": {
    "l": 0.60842,
    "c": 0.17637,
    "h": 269.3
  },
  "luminance": 0.21555
}

Semantic roles & 50–950 ramp

primary

#5978EB

secondary

#EADFB6

accent

#AF0BDB

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #5978EB

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

Preview Lab → · Contrast checker → · Palette generator →