#5781CE#5781CE

#5781CE is a mid, vivid blue. Relative luminance 0.222; OKLCH L 60.8% C 0.127 H 261.7°. Best body text is #000000 at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#5781CE
RGB	rgb(87, 129, 206)
HSL	hsl(219, 55%, 57%)
HSV	hsv(219, 58%, 81%)
CMYK	cmyk(57.8%, 37.4%, 0%, 19.2%)
CIE-LAB	lab(54.22, 8.54, -44.22)
CIE-LCH	lch(54.22, 45.03, 280.93°)
OKLab	oklab(60.8% -0.0183 -0.1253)
OKLCH	oklch(60.8% 0.127 261.7)
XYZ	xyz(22.9175, 22.1811, 61.4542)
Luminance	0.2218 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5781CE #CEA457

analogous

#57BCCE #5781CE #6957CE

triadic

#5781CE #CE5781 #81CE57

tetradic

#5781CE #CE57BC #CEA457 #57CE69

square

#5781CE #CE57BC #CEA457 #57CE69

split-complementary

#5781CE #CE6957 #BCCE57

monochromatic

#274884 #3461B3 #5781CE #86A5DC #B6C8EA

Accessibility & contrast

On white

3.86

#5781CE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.44

#5781CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5781CE

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5781CE	#FFFFFF	#000000	##000000
##5781CE	1.00	3.86	5.44	5.44
#FFFFFF	3.86	1.00	21.00	21.00
#000000	5.44	21.00	1.00	1.00
##000000	5.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6188D1

Deuteranopia (green-blind)

#517DCC

Tritanopia (blue-blind)

#00929E

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #5781ce;
/* rgb */ color: rgb(87, 129, 206);
/* oklch */ color: oklch(60.8% 0.127 261.7);

Tailwind

colors: {
  custom: {
    50: '#8fa5dd',
    500: '#5781ce',
    950: '#000000',
  },
}

SCSS

$custom: #5781ce;
$custom-light: #8fa5dd;
$custom-dark: #000000;

JSON

{
  "hex": "#5781ce",
  "rgb": {
    "r": 87,
    "g": 129,
    "b": 206
  },
  "hsl": {
    "h": 218.824,
    "s": 54.839,
    "l": 57.451
  },
  "oklch": {
    "l": 0.60796,
    "c": 0.12664,
    "h": 261.7
  },
  "luminance": 0.22183
}

Semantic roles & 50–950 ramp

primary

#5781CE

secondary

#D8C7A8

accent

#AA4ADE

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #5781CE

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

Preview Lab → · Contrast checker → · Palette generator →