#5B82BC#5B82BC

#5B82BC is a mid, moderate blue. Relative luminance 0.218; OKLCH L 60.3% C 0.099 H 258.1°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#5B82BC
RGB	rgb(91, 130, 188)
HSL	hsl(216, 42%, 55%)
HSV	hsv(216, 52%, 74%)
CMYK	cmyk(51.6%, 30.9%, 0%, 26.3%)
CIE-LAB	lab(53.83, 3.03, -34.56)
CIE-LCH	lch(53.83, 34.70, 275.01°)
OKLab	oklab(60.27% -0.0204 -0.0971)
OKLCH	oklch(60.27% 0.099 258.1)
XYZ	xyz(21.3710, 21.8187, 50.6525)
Luminance	0.2182 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B82BC #BC955B

analogous

#5BB3BC #5B82BC #655BBC

triadic

#5B82BC #BC5B82 #82BC5B

tetradic

#5B82BC #BC5BB3 #BC955B #5BBC65

square

#5B82BC #BC5BB3 #BC955B #5BBC65

split-complementary

#5B82BC #BC655B #B3BC5B

monochromatic

#2D486F #3F649B #5B82BC #86A3CE #B2C4E0

Accessibility & contrast

On white

3.91

#5B82BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#5B82BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B82BC

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B82BC	#FFFFFF	#000000	##000000
##5B82BC	1.00	3.91	5.36	5.36
#FFFFFF	3.91	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)

#6B86BE

Deuteranopia (green-blind)

#607CBB

Tritanopia (blue-blind)

#2B8F97

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #5b82bc;
/* rgb */ color: rgb(91, 130, 188);
/* oklch */ color: oklch(60.3% 0.099 258.1);

Tailwind

colors: {
  custom: {
    50: '#8fa6d0',
    500: '#5b82bc',
    950: '#000000',
  },
}

SCSS

$custom: #5b82bc;
$custom-light: #8fa6d0;
$custom-dark: #000000;

JSON

{
  "hex": "#5b82bc",
  "rgb": {
    "r": 91,
    "g": 130,
    "b": 188
  },
  "hsl": {
    "h": 215.876,
    "s": 41.991,
    "l": 54.706
  },
  "oklch": {
    "l": 0.60266,
    "c": 0.09927,
    "h": 258.1
  },
  "luminance": 0.2182
}

Semantic roles & 50–950 ramp

primary

#5B82BC

secondary

#CEBDA5

accent

#A056D2

background

#F9FAFC

surface

#F1F4F9

border

#CBCED2

text

#0D0F14

muted

#7E7F82

Preview Lab

Preview with #5B82BC

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

Preview Lab → · Contrast checker → · Palette generator →