#4050BC#4050BC

#4050BC is a mid, vivid blue. Relative luminance 0.105; OKLCH L 48.2% C 0.170 H 272.1°. Best body text is #FFFFFF at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#4050BC
RGB	rgb(64, 80, 188)
HSL	hsl(232, 49%, 49%)
HSV	hsv(232, 66%, 74%)
CMYK	cmyk(66%, 57.4%, 0%, 26.3%)
CIE-LAB	lab(38.65, 28.86, -58.88)
CIE-LCH	lch(38.65, 65.57, 296.11°)
OKLab	oklab(48.24% 0.0061 -0.1694)
OKLCH	oklch(48.24% 0.17 272.1)
XYZ	xyz(14.0571, 10.4569, 48.8448)
Luminance	0.1046 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4050BC #BCAC40

analogous

#408EBC #4050BC #6E40BC

triadic

#4050BC #BC4050 #50BC40

tetradic

#4050BC #BC408E #BCAC40 #40BC6E

square

#4050BC #BC408E #BCAC40 #40BC6E

split-complementary

#4050BC #BC6E40 #8EBC40

monochromatic

#212961 #303D8E #4050BC #6C79CD #9AA2DD

Accessibility & contrast

On white

6.79

#4050BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#4050BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4050BC

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4050BC	#FFFFFF	#000000	##FFFFFF
##4050BC	1.00	6.79	3.09	6.79
#FFFFFF	6.79	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061C0

Deuteranopia (green-blind)

#0056BA

Tritanopia (blue-blind)

#006A7E

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #4050bc;
/* rgb */ color: rgb(64, 80, 188);
/* oklch */ color: oklch(48.2% 0.170 272.1);

Tailwind

colors: {
  custom: {
    50: '#8381d1',
    500: '#4050bc',
    950: '#000000',
  },
}

SCSS

$custom: #4050bc;
$custom-light: #8381d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4050bc",
  "rgb": {
    "r": 64,
    "g": 80,
    "b": 188
  },
  "hsl": {
    "h": 232.258,
    "s": 49.206,
    "l": 49.412
  },
  "oklch": {
    "l": 0.48235,
    "c": 0.16955,
    "h": 272.1
  },
  "luminance": 0.10458
}

Semantic roles & 50–950 ramp

primary

#4050BC

secondary

#C9C18F

accent

#C74FD9

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #4050BC

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

Preview Lab → · Contrast checker → · Palette generator →