#5781DA#5781DA

#5781DA is a mid, vivid blue. Relative luminance 0.228; OKLCH L 61.5% C 0.143 H 263.7°. Best body text is #000000 at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#5781DA
RGB	rgb(87, 129, 218)
HSL	hsl(221, 64%, 60%)
HSV	hsv(221, 60%, 85%)
CMYK	cmyk(60.1%, 40.8%, 0%, 14.5%)
CIE-LAB	lab(54.85, 12.52, -49.98)
CIE-LCH	lch(54.85, 51.53, 284.06°)
OKLab	oklab(61.49% -0.0158 -0.1422)
OKLCH	oklch(61.49% 0.143 263.7)
XYZ	xyz(24.4313, 22.7866, 69.4268)
Luminance	0.2279 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5781DA #DAB057

analogous

#57C3DA #5781DA #6E57DA

triadic

#5781DA #DA5781 #81DA57

tetradic

#5781DA #DA57C3 #DAB057 #57DA6E

square

#5781DA #DA57C3 #DAB057 #57DA6E

split-complementary

#5781DA #DA6E57 #C3DA57

monochromatic

#214696 #2C5EC8 #5781DA #89A7E5 #BBCCF0

Accessibility & contrast

On white

3.78

#5781DA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.56

#5781DA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5781DA

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5781DA	#FFFFFF	#000000	##000000
##5781DA	1.00	3.78	5.56	5.56
#FFFFFF	3.78	1.00	21.00	21.00
#000000	5.56	21.00	1.00	1.00
##000000	5.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A8ADD

Deuteranopia (green-blind)

#487ED8

Tritanopia (blue-blind)

#0095A3

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #5781da;
/* rgb */ color: rgb(87, 129, 218);
/* oklch */ color: oklch(61.5% 0.143 263.7);

Tailwind

colors: {
  custom: {
    50: '#91a5e6',
    500: '#5781da',
    950: '#000000',
  },
}

SCSS

$custom: #5781da;
$custom-light: #91a5e6;
$custom-dark: #000000;

JSON

{
  "hex": "#5781da",
  "rgb": {
    "r": 87,
    "g": 129,
    "b": 218
  },
  "hsl": {
    "h": 220.763,
    "s": 63.902,
    "l": 59.804
  },
  "oklch": {
    "l": 0.61492,
    "c": 0.14306,
    "h": 263.7
  },
  "luminance": 0.22789
}

Semantic roles & 50–950 ramp

primary

#5781DA

secondary

#E0CFAD

accent

#B241E7

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #5781DA

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

Preview Lab → · Contrast checker → · Palette generator →