#5B80BB#5B80BB

#5B80BB is a mid, moderate blue. Relative luminance 0.212; OKLCH L 59.8% C 0.100 H 259.4°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#5B80BB
RGB	rgb(91, 128, 187)
HSL	hsl(217, 41%, 55%)
HSV	hsv(217, 51%, 73%)
CMYK	cmyk(51.3%, 31.6%, 0%, 26.7%)
CIE-LAB	lab(53.22, 3.91, -34.95)
CIE-LCH	lch(53.22, 35.17, 276.38°)
OKLab	oklab(59.77% -0.0183 -0.0983)
OKLCH	oklch(59.77% 0.1 259.4)
XYZ	xyz(21.0002, 21.2488, 49.9989)
Luminance	0.2125 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B80BB #BB965B

analogous

#5BB0BB #5B80BB #665BBB

triadic

#5B80BB #BB5B80 #80BB5B

tetradic

#5B80BB #BB5BB0 #BB965B #5BBB66

square

#5B80BB #BB5BB0 #BB965B #5BBB66

split-complementary

#5B80BB #BB665B #B0BB5B

monochromatic

#2E466E #406299 #5B80BB #86A2CD #B2C3DF

Accessibility & contrast

On white

4.00

#5B80BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.25

#5B80BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B80BB

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B80BB	#FFFFFF	#000000	##000000
##5B80BB	1.00	4.00	5.25	5.25
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.25	21.00	1.00	1.00
##000000	5.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6984BE

Deuteranopia (green-blind)

#5E7BBA

Tritanopia (blue-blind)

#2D8D95

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #5b80bb;
/* rgb */ color: rgb(91, 128, 187);
/* oklch */ color: oklch(59.8% 0.100 259.4);

Tailwind

colors: {
  custom: {
    50: '#8fa4cf',
    500: '#5b80bb',
    950: '#000000',
  },
}

SCSS

$custom: #5b80bb;
$custom-light: #8fa4cf;
$custom-dark: #000000;

JSON

{
  "hex": "#5b80bb",
  "rgb": {
    "r": 91,
    "g": 128,
    "b": 187
  },
  "hsl": {
    "h": 216.875,
    "s": 41.379,
    "l": 54.51
  },
  "oklch": {
    "l": 0.59772,
    "c": 0.09996,
    "h": 259.4
  },
  "luminance": 0.2125
}

Semantic roles & 50–950 ramp

primary

#5B80BB

secondary

#CDBEA5

accent

#A257D1

background

#F9FAFC

surface

#F1F4F9

border

#CBCED2

text

#0D0F14

muted

#7E7F82

Preview Lab

Preview with #5B80BB

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

Preview Lab → · Contrast checker → · Palette generator →