#5271CB#5271CB

#5271CB is a mid, vivid blue. Relative luminance 0.179; OKLCH L 57.0% C 0.143 H 267.4°. Best body text is #000000 at 4.58:1 contrast (WCAG AA passes).

Color values

HEX	#5271CB
RGB	rgb(82, 113, 203)
HSL	hsl(225, 54%, 56%)
HSV	hsv(225, 60%, 80%)
CMYK	cmyk(59.6%, 44.3%, 0%, 20.4%)
CIE-LAB	lab(49.39, 16.33, -50.20)
CIE-LCH	lch(49.39, 52.79, 288.02°)
OKLab	oklab(56.95% -0.0064 -0.1431)
OKLCH	oklch(56.95% 0.143 267.4)
XYZ	xyz(20.1606, 17.9142, 58.8837)
Luminance	0.1792 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5271CB #CBAC52

analogous

#52ADCB #5271CB #6F52CB

triadic

#5271CB #CB5271 #71CB52

tetradic

#5271CB #CB52AD #CBAC52 #52CB6F

square

#5271CB #CB52AD #CBAC52 #52CB6F

split-complementary

#5271CB #CB6F52 #ADCB52

monochromatic

#263C7D #3453AC #5271CB #8198D9 #B0BEE7

Accessibility & contrast

On white

4.58

#5271CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#5271CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5271CB

4.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5271CB	#FFFFFF	#000000	##000000
##5271CB	1.00	4.58	4.58	4.58
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.58	21.00	1.00	1.00
##000000	4.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#487BCE

Deuteranopia (green-blind)

#3670C9

Tritanopia (blue-blind)

#008594

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #5271cb;
/* rgb */ color: rgb(82, 113, 203);
/* oklch */ color: oklch(57.0% 0.143 267.4);

Tailwind

colors: {
  custom: {
    50: '#8d99db',
    500: '#5271cb',
    950: '#000000',
  },
}

SCSS

$custom: #5271cb;
$custom-light: #8d99db;
$custom-dark: #000000;

JSON

{
  "hex": "#5271cb",
  "rgb": {
    "r": 82,
    "g": 113,
    "b": 203
  },
  "hsl": {
    "h": 224.628,
    "s": 53.778,
    "l": 55.882
  },
  "oklch": {
    "l": 0.5695,
    "c": 0.14325,
    "h": 267.4
  },
  "luminance": 0.17916
}

Semantic roles & 50–950 ramp

primary

#5271CB

secondary

#D5C9A3

accent

#B84BDD

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #5271CB

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

Preview Lab → · Contrast checker → · Palette generator →