#4551D1#4551D1

#4551D1 is a mid, vivid blue. Relative luminance 0.118; OKLCH L 50.4% C 0.195 H 273.1°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#4551D1
RGB	rgb(69, 81, 209)
HSL	hsl(235, 60%, 55%)
HSV	hsv(235, 67%, 82%)
CMYK	cmyk(67%, 61.2%, 0%, 18%)
CIE-LAB	lab(40.82, 36.26, -67.53)
CIE-LCH	lch(40.82, 76.65, 298.23°)
OKLab	oklab(50.43% 0.0104 -0.1947)
OKLCH	oklch(50.43% 0.195 273.1)
XYZ	xyz(16.9015, 11.7520, 61.6869)
Luminance	0.1175 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4551D1 #D1C545

analogous

#4597D1 #4551D1 #7F45D1

triadic

#4551D1 #D14551 #51D145

tetradic

#4551D1 #D14597 #D1C545 #45D17F

square

#4551D1 #D14597 #D1C545 #45D17F

split-complementary

#4551D1 #D17F45 #97D145

monochromatic

#1F277D #2B36AE #4551D1 #767FDD #A7ADE9

Accessibility & contrast

On white

6.27

#4551D1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#4551D1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4551D1

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4551D1	#FFFFFF	#000000	##FFFFFF
##4551D1	1.00	6.27	3.35	6.27
#FFFFFF	6.27	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067D5

Deuteranopia (green-blind)

#005ACF

Tritanopia (blue-blind)

#007189

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4551d1;
/* rgb */ color: rgb(69, 81, 209);
/* oklch */ color: oklch(50.4% 0.195 273.1);

Tailwind

colors: {
  custom: {
    50: '#8982e0',
    500: '#4551d1',
    950: '#000000',
  },
}

SCSS

$custom: #4551d1;
$custom-light: #8982e0;
$custom-dark: #000000;

JSON

{
  "hex": "#4551d1",
  "rgb": {
    "r": 69,
    "g": 81,
    "b": 209
  },
  "hsl": {
    "h": 234.857,
    "s": 60.345,
    "l": 54.51
  },
  "oklch": {
    "l": 0.5043,
    "c": 0.195,
    "h": 273.1
  },
  "luminance": 0.11754
}

Semantic roles & 50–950 ramp

primary

#4551D1

secondary

#D7D19B

accent

#D644E3

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #4551D1

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

Preview Lab → · Contrast checker → · Palette generator →