#4551DB#4551DB

#4551DB is a mid, highly saturated blue. Relative luminance 0.123; OKLCH L 51.3% C 0.208 H 272.8°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#4551DB
RGB	rgb(69, 81, 219)
HSL	hsl(235, 68%, 56%)
HSV	hsv(235, 68%, 86%)
CMYK	cmyk(68.5%, 63%, 0%, 14.1%)
CIE-LAB	lab(41.63, 39.67, -71.94)
CIE-LCH	lch(41.63, 82.15, 298.87°)
OKLab	oklab(51.28% 0.01 -0.2077)
OKLCH	oklch(51.28% 0.208 272.8)
XYZ	xyz(18.1786, 12.2628, 68.4130)
Luminance	0.1226 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4551DB #DBCF45

analogous

#459CDB #4551DB #8445DB

triadic

#4551DB #DB4551 #51DB45

tetradic

#4551DB #DB459C #DBCF45 #45DB84

square

#4551DB #DB459C #DBCF45 #45DB84

split-complementary

#4551DB #DB8445 #9CDB45

monochromatic

#1B248B #2531BE #4551DB #7881E5 #ACB1EF

Accessibility & contrast

On white

6.08

#4551DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#4551DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4551DB

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4551DB	#FFFFFF	#000000	##FFFFFF
##4551DB	1.00	6.08	3.45	6.08
#FFFFFF	6.08	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069DF

Deuteranopia (green-blind)

#005BD8

Tritanopia (blue-blind)

#00758E

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #4551db;
/* rgb */ color: rgb(69, 81, 219);
/* oklch */ color: oklch(51.3% 0.208 272.8);

Tailwind

colors: {
  custom: {
    50: '#8b82e7',
    500: '#4551db',
    950: '#000000',
  },
}

SCSS

$custom: #4551db;
$custom-light: #8b82e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4551db",
  "rgb": {
    "r": 69,
    "g": 81,
    "b": 219
  },
  "hsl": {
    "h": 235.2,
    "s": 67.568,
    "l": 56.471
  },
  "oklch": {
    "l": 0.51279,
    "c": 0.2079,
    "h": 272.8
  },
  "luminance": 0.12265
}

Semantic roles & 50–950 ramp

primary

#4551DB

secondary

#DDD89F

accent

#DD3DEA

background

#F9F7FE

surface

#F2EEFD

border

#CCC9D5

text

#0D0A16

muted

#7E7C84

Preview Lab

Preview with #4551DB

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

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