#5271BB#5271BB

#5271BB is a mid, vivid blue. Relative luminance 0.172; OKLCH L 56.0% C 0.121 H 265.5°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#5271BB
RGB	rgb(82, 113, 187)
HSL	hsl(222, 44%, 53%)
HSV	hsv(222, 56%, 73%)
CMYK	cmyk(56.1%, 39.6%, 0%, 26.7%)
CIE-LAB	lab(48.50, 10.97, -42.43)
CIE-LCH	lch(48.50, 43.82, 284.50°)
OKLab	oklab(55.97% -0.0094 -0.1203)
OKLCH	oklch(55.97% 0.121 265.5)
XYZ	xyz(18.3514, 17.1905, 49.3551)
Luminance	0.1719 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5271BB #BB9C52

analogous

#52A5BB #5271BB #6852BB

triadic

#5271BB #BB5271 #71BB52

tetradic

#5271BB #BB52A5 #BB9C52 #52BB68

square

#5271BB #BB52A5 #BB9C52 #52BB68

split-complementary

#5271BB #BB6852 #A5BB52

monochromatic

#293C69 #3B5595 #5271BB #7E95CC #AAB9DE

Accessibility & contrast

On white

4.73

#5271BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#5271BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5271BB

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5271BB	#FFFFFF	#000000	##FFFFFF
##5271BB	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5278BE

Deuteranopia (green-blind)

#456FB9

Tritanopia (blue-blind)

#0E818D

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #5271bb;
/* rgb */ color: rgb(82, 113, 187);
/* oklch */ color: oklch(56.0% 0.121 265.5);

Tailwind

colors: {
  custom: {
    50: '#8a99d0',
    500: '#5271bb',
    950: '#000000',
  },
}

SCSS

$custom: #5271bb;
$custom-light: #8a99d0;
$custom-dark: #000000;

JSON

{
  "hex": "#5271bb",
  "rgb": {
    "r": 82,
    "g": 113,
    "b": 187
  },
  "hsl": {
    "h": 222.286,
    "s": 43.568,
    "l": 52.745
  },
  "oklch": {
    "l": 0.55974,
    "c": 0.12069,
    "h": 265.5
  },
  "luminance": 0.17192
}

Semantic roles & 50–950 ramp

primary

#5271BB

secondary

#CBBE9E

accent

#AE54D3

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0D14

muted

#7D7E82

Preview Lab

Preview with #5271BB

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

Preview Lab → · Contrast checker → · Palette generator →