#5B78DC#5B78DC

#5B78DC is a mid, vivid blue. Relative luminance 0.208; OKLCH L 60.0% C 0.155 H 269.2°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#5B78DC
RGB	rgb(91, 120, 220)
HSL	hsl(227, 65%, 61%)
HSV	hsv(227, 59%, 86%)
CMYK	cmyk(58.6%, 45.5%, 0%, 13.7%)
CIE-LAB	lab(52.75, 19.43, -54.44)
CIE-LCH	lch(52.75, 57.81, 289.64°)
OKLab	oklab(59.98% -0.0023 -0.1553)
OKLCH	oklch(59.98% 0.155 269.2)
XYZ	xyz(23.9448, 20.8225, 70.4536)
Luminance	0.2082 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B78DC #DCBF5B

analogous

#5BB8DC #5B78DC #7E5BDC

triadic

#5B78DC #DC5B78 #78DC5B

tetradic

#5B78DC #DC5BB8 #DCBF5B #5BDC7E

square

#5B78DC #DC5BB8 #DCBF5B #5BDC7E

split-complementary

#5B78DC #DC7E5B #B8DC5B

monochromatic

#213D9B #2C50CE #5B78DC #8DA2E7 #C0CBF2

Accessibility & contrast

On white

4.07

#5B78DC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.16

#5B78DC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B78DC

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B78DC	#FFFFFF	#000000	##000000
##5B78DC	1.00	4.07	5.16	5.16
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.16	21.00	1.00	1.00
##000000	5.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4984E0

Deuteranopia (green-blind)

#3679DA

Tritanopia (blue-blind)

#008E9F

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #5b78dc;
/* rgb */ color: rgb(91, 120, 220);
/* oklch */ color: oklch(60.0% 0.155 269.2);

Tailwind

colors: {
  custom: {
    50: '#949ee7',
    500: '#5b78dc',
    950: '#000000',
  },
}

SCSS

$custom: #5b78dc;
$custom-light: #949ee7;
$custom-dark: #000000;

JSON

{
  "hex": "#5b78dc",
  "rgb": {
    "r": 91,
    "g": 120,
    "b": 220
  },
  "hsl": {
    "h": 226.512,
    "s": 64.824,
    "l": 60.98
  },
  "oklch": {
    "l": 0.59975,
    "c": 0.15533,
    "h": 269.2
  },
  "luminance": 0.20824
}

Semantic roles & 50–950 ramp

primary

#5B78DC

secondary

#E2D7B1

accent

#A419CD

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #5B78DC

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

Preview Lab → · Contrast checker → · Palette generator →