#5B83BB#5B83BB

#5B83BB is a mid, moderate blue. Relative luminance 0.220; OKLCH L 60.4% C 0.097 H 256.9°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#5B83BB
RGB	rgb(91, 131, 187)
HSL	hsl(215, 41%, 55%)
HSV	hsv(215, 51%, 73%)
CMYK	cmyk(51.3%, 29.9%, 0%, 26.7%)
CIE-LAB	lab(54.07, 2.13, -33.62)
CIE-LCH	lch(54.07, 33.69, 273.62°)
OKLab	oklab(60.44% -0.0219 -0.0944)
OKLCH	oklch(60.44% 0.097 256.9)
XYZ	xyz(21.3973, 22.0430, 50.1313)
Luminance	0.2205 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B83BB #BB935B

analogous

#5BB3BB #5B83BB #635BBB

triadic

#5B83BB #BB5B83 #83BB5B

tetradic

#5B83BB #BB5BB3 #BB935B #5BBB63

square

#5B83BB #BB5BB3 #BB935B #5BBB63

split-complementary

#5B83BB #BB635B #B3BB5B

monochromatic

#2E486E #406599 #5B83BB #86A4CD #B2C4DF

Accessibility & contrast

On white

3.88

#5B83BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#5B83BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B83BB

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B83BB	#FFFFFF	#000000	##000000
##5B83BB	1.00	3.88	5.41	5.41
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.41	21.00	1.00	1.00
##000000	5.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D86BD

Deuteranopia (green-blind)

#617DBA

Tritanopia (blue-blind)

#2C8F97

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #5b83bb;
/* rgb */ color: rgb(91, 131, 187);
/* oklch */ color: oklch(60.4% 0.097 256.9);

Tailwind

colors: {
  custom: {
    50: '#8fa6cf',
    500: '#5b83bb',
    950: '#000000',
  },
}

SCSS

$custom: #5b83bb;
$custom-light: #8fa6cf;
$custom-dark: #000000;

JSON

{
  "hex": "#5b83bb",
  "rgb": {
    "r": 91,
    "g": 131,
    "b": 187
  },
  "hsl": {
    "h": 215,
    "s": 41.379,
    "l": 54.51
  },
  "oklch": {
    "l": 0.60438,
    "c": 0.09692,
    "h": 256.9
  },
  "luminance": 0.22045
}

Semantic roles & 50–950 ramp

primary

#5B83BB

secondary

#CDBCA5

accent

#9E57D1

background

#F9FAFC

surface

#F1F4F9

border

#CBCED2

text

#0D0F14

muted

#7E7F82

Preview Lab

Preview with #5B83BB

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

Preview Lab → · Contrast checker → · Palette generator →