#5780BC#5780BC

#5780BC is a mid, moderate blue. Relative luminance 0.211; OKLCH L 59.6% C 0.103 H 257.8°. Best body text is #000000 at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#5780BC
RGB	rgb(87, 128, 188)
HSL	hsl(216, 43%, 54%)
HSV	hsv(216, 54%, 74%)
CMYK	cmyk(53.7%, 31.9%, 0%, 26.3%)
CIE-LAB	lab(53.05, 3.30, -35.81)
CIE-LCH	lch(53.05, 35.96, 275.27°)
OKLab	oklab(59.6% -0.0218 -0.1008)
OKLCH	oklch(59.6% 0.103 257.8)
XYZ	xyz(20.7236, 21.0938, 50.5467)
Luminance	0.2109 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5780BC #BC9357

analogous

#57B3BC #5780BC #6157BC

triadic

#5780BC #BC5780 #80BC57

tetradic

#5780BC #BC57B3 #BC9357 #57BC61

square

#5780BC #BC57B3 #BC9357 #57BC61

split-complementary

#5780BC #BC6157 #B3BC57

monochromatic

#2C466D #3D6299 #5780BC #83A1CD #AFC2DF

Accessibility & contrast

On white

4.02

#5780BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.22

#5780BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5780BC

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5780BC	#FFFFFF	#000000	##000000
##5780BC	1.00	4.02	5.22	5.22
#FFFFFF	4.02	1.00	21.00	21.00
#000000	5.22	21.00	1.00	1.00
##000000	5.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6884BF

Deuteranopia (green-blind)

#5C7ABB

Tritanopia (blue-blind)

#1E8D95

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #5780bc;
/* rgb */ color: rgb(87, 128, 188);
/* oklch */ color: oklch(59.6% 0.103 257.8);

Tailwind

colors: {
  custom: {
    50: '#8da4d0',
    500: '#5780bc',
    950: '#000000',
  },
}

SCSS

$custom: #5780bc;
$custom-light: #8da4d0;
$custom-dark: #000000;

JSON

{
  "hex": "#5780bc",
  "rgb": {
    "r": 87,
    "g": 128,
    "b": 188
  },
  "hsl": {
    "h": 215.644,
    "s": 42.979,
    "l": 53.922
  },
  "oklch": {
    "l": 0.59599,
    "c": 0.10314,
    "h": 257.8
  },
  "luminance": 0.21095
}

Semantic roles & 50–950 ramp

primary

#5780BC

secondary

#CDBBA2

accent

#A055D3

background

#F9FAFC

surface

#F1F4F9

border

#CBCED2

text

#0D0F14

muted

#7E7F82

Preview Lab

Preview with #5780BC

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

Preview Lab → · Contrast checker → · Palette generator →