#5781DF#5781DF

#5781DF is a mid, vivid blue. Relative luminance 0.231; OKLCH L 61.8% C 0.150 H 264.3°. Best body text is #000000 at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#5781DF
RGB	rgb(87, 129, 223)
HSL	hsl(221, 68%, 61%)
HSV	hsv(221, 61%, 87%)
CMYK	cmyk(61%, 42.2%, 0%, 12.5%)
CIE-LAB	lab(55.13, 14.19, -52.35)
CIE-LCH	lch(55.13, 54.24, 285.16°)
OKLab	oklab(61.79% -0.0148 -0.1491)
OKLCH	oklch(61.79% 0.15 264.3)
XYZ	xyz(25.0954, 23.0523, 72.9248)
Luminance	0.2305 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5781DF #DFB557

analogous

#57C5DF #5781DF #7157DF

triadic

#5781DF #DF5781 #81DF57

tetradic

#5781DF #DF57C5 #DFB557 #57DF71

square

#5781DF #DF57C5 #DFB557 #57DF71

split-complementary

#5781DF #DF7157 #C5DF57

monochromatic

#1E459E #285CD1 #5781DF #8AA8E9 #BECEF3

Accessibility & contrast

On white

3.74

#5781DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.61

#5781DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5781DF

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5781DF	#FFFFFF	#000000	##000000
##5781DF	1.00	3.74	5.61	5.61
#FFFFFF	3.74	1.00	21.00	21.00
#000000	5.61	21.00	1.00	1.00
##000000	5.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#578BE3

Deuteranopia (green-blind)

#437EDD

Tritanopia (blue-blind)

#0096A5

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #5781df;
/* rgb */ color: rgb(87, 129, 223);
/* oklch */ color: oklch(61.8% 0.150 264.3);

Tailwind

colors: {
  custom: {
    50: '#92a5e9',
    500: '#5781df',
    950: '#000000',
  },
}

SCSS

$custom: #5781df;
$custom-light: #92a5e9;
$custom-dark: #000000;

JSON

{
  "hex": "#5781df",
  "rgb": {
    "r": 87,
    "g": 129,
    "b": 223
  },
  "hsl": {
    "h": 221.471,
    "s": 68,
    "l": 60.784
  },
  "oklch": {
    "l": 0.61793,
    "c": 0.14987,
    "h": 264.3
  },
  "luminance": 0.23054
}

Semantic roles & 50–950 ramp

primary

#5781DF

secondary

#E3D3AF

accent

#9616D0

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #5781DF

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

Preview Lab → · Contrast checker → · Palette generator →