#4451CB#4451CB

#4451CB is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.9% C 0.187 H 272.9°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#4451CB
RGB	rgb(68, 81, 203)
HSL	hsl(234, 56%, 53%)
HSV	hsv(234, 67%, 80%)
CMYK	cmyk(66.5%, 60.1%, 0%, 20.4%)
CIE-LAB	lab(40.29, 34.05, -64.94)
CIE-LCH	lch(40.29, 73.32, 297.67°)
OKLab	oklab(49.87% 0.0095 -0.1871)
OKLCH	oklch(49.87% 0.187 272.9)
XYZ	xyz(16.1022, 11.4241, 57.8448)
Luminance	0.1143 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4451CB #CBBE44

analogous

#4494CB #4451CB #7A44CB

triadic

#4451CB #CB4451 #51CB44

tetradic

#4451CB #CB4494 #CBBE44 #44CB7A

square

#4451CB #CB4494 #CBBE44 #44CB7A

split-complementary

#4451CB #CB7A44 #94CB44

monochromatic

#202874 #2E39A4 #4451CB #747ED8 #A4AAE6

Accessibility & contrast

On white

6.39

#4451CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#4451CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4451CB

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4451CB	#FFFFFF	#000000	##FFFFFF
##4451CB	1.00	6.39	3.29	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065CF

Deuteranopia (green-blind)

#0059C9

Tritanopia (blue-blind)

#006F86

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #4451cb;
/* rgb */ color: rgb(68, 81, 203);
/* oklch */ color: oklch(49.9% 0.187 272.9);

Tailwind

colors: {
  custom: {
    50: '#8781dc',
    500: '#4451cb',
    950: '#000000',
  },
}

SCSS

$custom: #4451cb;
$custom-light: #8781dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4451cb",
  "rgb": {
    "r": 68,
    "g": 81,
    "b": 203
  },
  "hsl": {
    "h": 234.222,
    "s": 56.485,
    "l": 53.137
  },
  "oklch": {
    "l": 0.49873,
    "c": 0.18738,
    "h": 272.9
  },
  "luminance": 0.11426
}

Semantic roles & 50–950 ramp

primary

#4451CB

secondary

#D3CD98

accent

#D148E0

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #4451CB

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

Preview Lab → · Contrast checker → · Palette generator →