#5781BE#5781BE

#5781BE is a mid, moderate blue. Relative luminance 0.214; OKLCH L 59.9% C 0.105 H 257.7°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#5781BE
RGB	rgb(87, 129, 190)
HSL	hsl(216, 44%, 54%)
HSV	hsv(216, 54%, 75%)
CMYK	cmyk(54.2%, 32.1%, 0%, 25.5%)
CIE-LAB	lab(53.43, 3.35, -36.36)
CIE-LCH	lch(53.43, 36.51, 275.26°)
OKLab	oklab(59.93% -0.0224 -0.1024)
OKLCH	oklch(59.93% 0.105 257.7)
XYZ	xyz(21.0718, 21.4428, 51.7337)
Luminance	0.2144 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5781BE #BE9457

analogous

#57B5BE #5781BE #6157BE

triadic

#5781BE #BE5781 #81BE57

tetradic

#5781BE #BE57B5 #BE9457 #57BE61

square

#5781BE #BE57B5 #BE9457 #57BE61

split-complementary

#5781BE #BE6157 #B5BE57

monochromatic

#2B476F #3C639C #5781BE #83A2CF #AFC3E0

Accessibility & contrast

On white

3.97

#5781BE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.29

#5781BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5781BE

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5781BE	#FFFFFF	#000000	##000000
##5781BE	1.00	3.97	5.29	5.29
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.29	21.00	1.00	1.00
##000000	5.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6985C1

Deuteranopia (green-blind)

#5C7BBD

Tritanopia (blue-blind)

#1B8F97

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #5781be;
/* rgb */ color: rgb(87, 129, 190);
/* oklch */ color: oklch(59.9% 0.105 257.7);

Tailwind

colors: {
  custom: {
    50: '#8da5d2',
    500: '#5781be',
    950: '#000000',
  },
}

SCSS

$custom: #5781be;
$custom-light: #8da5d2;
$custom-dark: #000000;

JSON

{
  "hex": "#5781be",
  "rgb": {
    "r": 87,
    "g": 129,
    "b": 190
  },
  "hsl": {
    "h": 215.534,
    "s": 44.206,
    "l": 54.314
  },
  "oklch": {
    "l": 0.59925,
    "c": 0.10482,
    "h": 257.7
  },
  "luminance": 0.21444
}

Semantic roles & 50–950 ramp

primary

#5781BE

secondary

#CEBCA3

accent

#A054D4

background

#F9FAFC

surface

#F1F4F9

border

#CBCED2

text

#0D0F14

muted

#7E7F82

Preview Lab

Preview with #5781BE

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

Preview Lab → · Contrast checker → · Palette generator →