#5780BB#5780BB

#5780BB is a mid, moderate blue. Relative luminance 0.211; OKLCH L 59.5% C 0.102 H 257.5°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#5780BB
RGB	rgb(87, 128, 187)
HSL	hsl(215, 42%, 54%)
HSV	hsv(215, 53%, 73%)
CMYK	cmyk(53.5%, 31.6%, 0%, 26.7%)
CIE-LAB	lab(53.01, 2.98, -35.31)
CIE-LCH	lch(53.01, 35.43, 274.83°)
OKLab	oklab(59.55% -0.0221 -0.0994)
OKLCH	oklch(59.55% 0.102 257.5)
XYZ	xyz(20.6162, 21.0509, 49.9809)
Luminance	0.2105 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5780BB #BB9257

analogous

#57B2BB #5780BB #6057BB

triadic

#5780BB #BB5780 #80BB57

tetradic

#5780BB #BB57B2 #BB9257 #57BB60

square

#5780BB #BB57B2 #BB9257 #57BB60

split-complementary

#5780BB #BB6057 #B2BB57

monochromatic

#2C466C #3D6297 #5780BB #83A1CD #AEC2DE

Accessibility & contrast

On white

4.03

#5780BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.21

#5780BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5780BB

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5780BB	#FFFFFF	#000000	##000000
##5780BB	1.00	4.03	5.21	5.21
#FFFFFF	4.03	1.00	21.00	21.00
#000000	5.21	21.00	1.00	1.00
##000000	5.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6984BE

Deuteranopia (green-blind)

#5C7ABA

Tritanopia (blue-blind)

#208D95

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #5780bb;
/* rgb */ color: rgb(87, 128, 187);
/* oklch */ color: oklch(59.5% 0.102 257.5);

Tailwind

colors: {
  custom: {
    50: '#8da4cf',
    500: '#5780bb',
    950: '#000000',
  },
}

SCSS

$custom: #5780bb;
$custom-light: #8da4cf;
$custom-dark: #000000;

JSON

{
  "hex": "#5780bb",
  "rgb": {
    "r": 87,
    "g": 128,
    "b": 187
  },
  "hsl": {
    "h": 215.4,
    "s": 42.373,
    "l": 53.725
  },
  "oklch": {
    "l": 0.59546,
    "c": 0.10178,
    "h": 257.5
  },
  "luminance": 0.21052
}

Semantic roles & 50–950 ramp

primary

#5780BB

secondary

#CCBBA2

accent

#9F56D2

background

#F9FAFC

surface

#F1F4F9

border

#CBCED2

text

#0D0F14

muted

#7E7F82

Preview Lab

Preview with #5780BB

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

Preview Lab → · Contrast checker → · Palette generator →