#4050CF#4050CF

#4050CF is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.8% C 0.195 H 271.8°. Best body text is #FFFFFF at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#4050CF
RGB	rgb(64, 80, 207)
HSL	hsl(233, 60%, 53%)
HSV	hsv(233, 69%, 81%)
CMYK	cmyk(69.1%, 61.4%, 0%, 18.8%)
CIE-LAB	lab(40.13, 35.51, -67.51)
CIE-LCH	lch(40.13, 76.28, 297.75°)
OKLab	oklab(49.8% 0.006 -0.1948)
OKLCH	oklch(49.8% 0.195 271.8)
XYZ	xyz(16.2417, 11.3307, 60.3505)
Luminance	0.1133 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4050CF #CFBF40

analogous

#4097CF #4050CF #7740CF

triadic

#4050CF #CF4050 #50CF40

tetradic

#4050CF #CF4097 #CFBF40 #40CF77

square

#4050CF #CF4097 #CFBF40 #40CF77

split-complementary

#4050CF #CF7740 #97CF40

monochromatic

#1E2877 #2A38A8 #4050CF #717DDB #A2AAE8

Accessibility & contrast

On white

6.43

#4050CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#4050CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4050CF

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4050CF	#FFFFFF	#000000	##FFFFFF
##4050CF	1.00	6.43	3.27	6.43
#FFFFFF	6.43	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065D3

Deuteranopia (green-blind)

#0058CD

Tritanopia (blue-blind)

#007088

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #4050cf;
/* rgb */ color: rgb(64, 80, 207);
/* oklch */ color: oklch(49.8% 0.195 271.8);

Tailwind

colors: {
  custom: {
    50: '#8781df',
    500: '#4050cf',
    950: '#000000',
  },
}

SCSS

$custom: #4050cf;
$custom-light: #8781df;
$custom-dark: #000000;

JSON

{
  "hex": "#4050cf",
  "rgb": {
    "r": 64,
    "g": 80,
    "b": 207
  },
  "hsl": {
    "h": 233.287,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.49797,
    "c": 0.19488,
    "h": 271.8
  },
  "luminance": 0.11332
}

Semantic roles & 50–950 ramp

primary

#4050CF

secondary

#D4CD97

accent

#D145E3

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #4050CF

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

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