#4451BC#4451BC

#4451BC is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.7% C 0.167 H 273.3°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#4451BC
RGB	rgb(68, 81, 188)
HSL	hsl(234, 47%, 50%)
HSV	hsv(234, 64%, 74%)
CMYK	cmyk(63.8%, 56.9%, 0%, 26.3%)
CIE-LAB	lab(39.14, 28.86, -58.06)
CIE-LCH	lch(39.14, 64.84, 296.43°)
OKLab	oklab(48.67% 0.0095 -0.1669)
OKLCH	oklch(48.67% 0.167 273.3)
XYZ	xyz(14.4004, 10.7434, 48.8820)
Luminance	0.1075 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4451BC #BCAF44

analogous

#448DBC #4451BC #7344BC

triadic

#4451BC #BC4451 #51BC44

tetradic

#4451BC #BC448D #BCAF44 #44BC73

square

#4451BC #BC448D #BCAF44 #44BC73

split-complementary

#4451BC #BC7344 #8DBC44

monochromatic

#232A62 #333D8F #4451BC #717BCC #9EA5DC

Accessibility & contrast

On white

6.67

#4451BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#4451BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4451BC

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4451BC	#FFFFFF	#000000	##FFFFFF
##4451BC	1.00	6.67	3.15	6.67
#FFFFFF	6.67	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C0

Deuteranopia (green-blind)

#0057BA

Tritanopia (blue-blind)

#006B7E

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #4451bc;
/* rgb */ color: rgb(68, 81, 188);
/* oklch */ color: oklch(48.7% 0.167 273.3);

Tailwind

colors: {
  custom: {
    50: '#8581d1',
    500: '#4451bc',
    950: '#000000',
  },
}

SCSS

$custom: #4451bc;
$custom-light: #8581d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4451bc",
  "rgb": {
    "r": 68,
    "g": 81,
    "b": 188
  },
  "hsl": {
    "h": 233.5,
    "s": 47.244,
    "l": 50.196
  },
  "oklch": {
    "l": 0.48667,
    "c": 0.16721,
    "h": 273.3
  },
  "luminance": 0.10745
}

Semantic roles & 50–950 ramp

primary

#4451BC

secondary

#C9C393

accent

#C851D7

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #4451BC

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

Preview Lab → · Contrast checker → · Palette generator →