#5780DB#5780DB

#5780DB is a mid, vivid blue. Relative luminance 0.226; OKLCH L 61.3% C 0.146 H 264.3°. Best body text is #000000 at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#5780DB
RGB	rgb(87, 128, 219)
HSL	hsl(221, 65%, 60%)
HSV	hsv(221, 60%, 86%)
CMYK	cmyk(60.3%, 41.6%, 0%, 14.1%)
CIE-LAB	lab(54.63, 13.46, -50.89)
CIE-LCH	lch(54.63, 52.64, 284.81°)
OKLab	oklab(61.34% -0.0145 -0.1449)
OKLCH	oklch(61.34% 0.146 264.3)
XYZ	xyz(24.4314, 22.5769, 70.0744)
Luminance	0.2258 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5780DB #DBB257

analogous

#57C2DB #5780DB #7057DB

triadic

#5780DB #DB5780 #80DB57

tetradic

#5780DB #DB57C2 #DBB257 #57DB70

square

#5780DB #DB57C2 #DBB257 #57DB70

split-complementary

#5780DB #DB7057 #C2DB57

monochromatic

#204597 #2B5CCA #5780DB #89A6E6 #BCCCF1

Accessibility & contrast

On white

3.81

#5780DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.52

#5780DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5780DB

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5780DB	#FFFFFF	#000000	##000000
##5780DB	1.00	3.81	5.52	5.52
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.52	21.00	1.00	1.00
##000000	5.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5889DF

Deuteranopia (green-blind)

#457DD9

Tritanopia (blue-blind)

#0094A3

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #5780db;
/* rgb */ color: rgb(87, 128, 219);
/* oklch */ color: oklch(61.3% 0.146 264.3);

Tailwind

colors: {
  custom: {
    50: '#91a4e6',
    500: '#5780db',
    950: '#000000',
  },
}

SCSS

$custom: #5780db;
$custom-light: #91a4e6;
$custom-dark: #000000;

JSON

{
  "hex": "#5780db",
  "rgb": {
    "r": 87,
    "g": 128,
    "b": 219
  },
  "hsl": {
    "h": 221.364,
    "s": 64.706,
    "l": 60
  },
  "oklch": {
    "l": 0.61342,
    "c": 0.1456,
    "h": 264.3
  },
  "luminance": 0.22579
}

Semantic roles & 50–950 ramp

primary

#5780DB

secondary

#E0D1AD

accent

#B440E8

background

#F9FAFE

surface

#F2F3FC

border

#CCCDD5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #5780DB

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

Preview Lab → · Contrast checker → · Palette generator →