#5B82BF#5B82BF

#5B82BF is a mid, moderate blue. Relative luminance 0.220; OKLCH L 60.4% C 0.103 H 259.1°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#5B82BF
RGB	rgb(91, 130, 191)
HSL	hsl(217, 44%, 55%)
HSV	hsv(217, 52%, 75%)
CMYK	cmyk(52.4%, 31.9%, 0%, 25.1%)
CIE-LAB	lab(53.97, 3.97, -36.06)
CIE-LCH	lch(53.97, 36.28, 276.29°)
OKLab	oklab(60.42% -0.0196 -0.1015)
OKLCH	oklch(60.42% 0.103 259.1)
XYZ	xyz(21.6978, 21.9494, 52.3734)
Luminance	0.2195 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B82BF #BF985B

analogous

#5BB4BF #5B82BF #665BBF

triadic

#5B82BF #BF5B82 #82BF5B

tetradic

#5B82BF #BF5BB4 #BF985B #5BBF66

square

#5B82BF #BF5BB4 #BF985B #5BBF66

split-complementary

#5B82BF #BF665B #B4BF5B

monochromatic

#2D4873 #3E649F #5B82BF #87A4D0 #B3C5E1

Accessibility & contrast

On white

3.90

#5B82BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.39

#5B82BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B82BF

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B82BF	#FFFFFF	#000000	##000000
##5B82BF	1.00	3.90	5.39	5.39
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.39	21.00	1.00	1.00
##000000	5.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A86C2

Deuteranopia (green-blind)

#5E7DBE

Tritanopia (blue-blind)

#288F98

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #5b82bf;
/* rgb */ color: rgb(91, 130, 191);
/* oklch */ color: oklch(60.4% 0.103 259.1);

Tailwind

colors: {
  custom: {
    50: '#8fa6d2',
    500: '#5b82bf',
    950: '#000000',
  },
}

SCSS

$custom: #5b82bf;
$custom-light: #8fa6d2;
$custom-dark: #000000;

JSON

{
  "hex": "#5b82bf",
  "rgb": {
    "r": 91,
    "g": 130,
    "b": 191
  },
  "hsl": {
    "h": 216.6,
    "s": 43.86,
    "l": 55.294
  },
  "oklch": {
    "l": 0.60421,
    "c": 0.10335,
    "h": 259.1
  },
  "luminance": 0.21951
}

Semantic roles & 50–950 ramp

primary

#5B82BF

secondary

#D0BFA6

accent

#A254D4

background

#F9FAFC

surface

#F1F4F9

border

#CBCED2

text

#0D0F14

muted

#7E7F82

Preview Lab

Preview with #5B82BF

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

Preview Lab → · Contrast checker → · Palette generator →