#5278DB#5278DB

#5278DB is a mid, vivid blue. Relative luminance 0.203; OKLCH L 59.4% C 0.157 H 266.0°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#5278DB
RGB	rgb(82, 120, 219)
HSL	hsl(223, 66%, 59%)
HSV	hsv(223, 63%, 86%)
CMYK	cmyk(62.6%, 45.2%, 0%, 14.1%)
CIE-LAB	lab(52.22, 17.43, -54.76)
CIE-LCH	lch(52.22, 57.47, 287.66°)
OKLab	oklab(59.42% -0.0109 -0.1564)
OKLCH	oklch(59.42% 0.157 266)
XYZ	xyz(22.9779, 20.3392, 69.7190)
Luminance	0.2034 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5278DB #DBB552

analogous

#52BCDB #5278DB #7152DB

triadic

#5278DB #DB5278 #78DB52

tetradic

#5278DB #DB52BC #DBB552 #52DB71

square

#5278DB #DB52BC #DBB552 #52DB71

split-complementary

#5278DB #DB7152 #BCDB52

monochromatic

#1F3F94 #2955C6 #5278DB #85A0E6 #B7C7F0

Accessibility & contrast

On white

4.14

#5278DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#5278DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5278DB

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5278DB	#FFFFFF	#000000	##000000
##5278DB	1.00	4.14	5.07	5.07
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.07	21.00	1.00	1.00
##000000	5.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4883DF

Deuteranopia (green-blind)

#3177D9

Tritanopia (blue-blind)

#008F9F

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #5278db;
/* rgb */ color: rgb(82, 120, 219);
/* oklch */ color: oklch(59.4% 0.157 266.0);

Tailwind

colors: {
  custom: {
    50: '#8f9ee7',
    500: '#5278db',
    950: '#000000',
  },
}

SCSS

$custom: #5278db;
$custom-light: #8f9ee7;
$custom-dark: #000000;

JSON

{
  "hex": "#5278db",
  "rgb": {
    "r": 82,
    "g": 120,
    "b": 219
  },
  "hsl": {
    "h": 223.358,
    "s": 65.55,
    "l": 59.02
  },
  "oklch": {
    "l": 0.59418,
    "c": 0.15681,
    "h": 266
  },
  "luminance": 0.20341
}

Semantic roles & 50–950 ramp

primary

#5278DB

secondary

#DFD0AA

accent

#BA3FE9

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #5278DB

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

Preview Lab → · Contrast checker → · Palette generator →