#5780CB#5780CB

#5780CB is a mid, vivid blue. Relative luminance 0.218; OKLCH L 60.4% C 0.124 H 261.7°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#5780CB
RGB	rgb(87, 128, 203)
HSL	hsl(219, 53%, 57%)
HSV	hsv(219, 57%, 80%)
CMYK	cmyk(57.1%, 36.9%, 0%, 20.4%)
CIE-LAB	lab(53.79, 8.16, -43.20)
CIE-LCH	lch(53.79, 43.96, 280.69°)
OKLab	oklab(60.41% -0.0179 -0.1223)
OKLCH	oklch(60.41% 0.124 261.7)
XYZ	xyz(22.4254, 21.7745, 59.5095)
Luminance	0.2178 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5780CB #CBA257

analogous

#57BACB #5780CB #6857CB

triadic

#5780CB #CB5780 #80CB57

tetradic

#5780CB #CB57BA #CBA257 #57CB68

square

#5780CB #CB57BA #CBA257 #57CB68

split-complementary

#5780CB #CB6857 #BACB57

monochromatic

#284780 #3661AF #5780CB #86A3D9 #B4C7E8

Accessibility & contrast

On white

3.92

#5780CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#5780CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5780CB

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5780CB	#FFFFFF	#000000	##000000
##5780CB	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6186CE

Deuteranopia (green-blind)

#527CC9

Tritanopia (blue-blind)

#00919C

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #5780cb;
/* rgb */ color: rgb(87, 128, 203);
/* oklch */ color: oklch(60.4% 0.124 261.7);

Tailwind

colors: {
  custom: {
    50: '#8fa4db',
    500: '#5780cb',
    950: '#000000',
  },
}

SCSS

$custom: #5780cb;
$custom-light: #8fa4db;
$custom-dark: #000000;

JSON

{
  "hex": "#5780cb",
  "rgb": {
    "r": 87,
    "g": 128,
    "b": 203
  },
  "hsl": {
    "h": 218.793,
    "s": 52.727,
    "l": 56.863
  },
  "oklch": {
    "l": 0.60411,
    "c": 0.12365,
    "h": 261.7
  },
  "luminance": 0.21776
}

Semantic roles & 50–950 ramp

primary

#5780CB

secondary

#D7C6A7

accent

#A94CDC

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #5780CB

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

Preview Lab → · Contrast checker → · Palette generator →