#4047CA#4047CA

#4047CA is a mid, vivid blue. Relative luminance 0.099; OKLCH L 47.8% C 0.199 H 273.7°. Best body text is #FFFFFF at 7.07:1 contrast (WCAG AA passes).

Color values

HEX	#4047CA
RGB	rgb(64, 71, 202)
HSL	hsl(237, 57%, 52%)
HSV	hsv(237, 68%, 79%)
CMYK	cmyk(68.3%, 64.9%, 0%, 20.8%)
CIE-LAB	lab(37.59, 39.36, -68.77)
CIE-LCH	lch(37.59, 79.24, 299.79°)
OKLab	oklab(47.8% 0.0127 -0.1986)
OKLCH	oklch(47.8% 0.199 273.7)
XYZ	xyz(15.0247, 9.8593, 56.9769)
Luminance	0.0986 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4047CA #CAC340

analogous

#408CCA #4047CA #7E40CA

triadic

#4047CA #CA4047 #47CA40

tetradic

#4047CA #CA408C #CAC340 #40CA7E

square

#4047CA #CA408C #CAC340 #40CA7E

split-complementary

#4047CA #CA7E40 #8CCA40

monochromatic

#1F2370 #2C32A0 #4047CA #7075D7 #A0A3E5

Accessibility & contrast

On white

7.07

#4047CA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#4047CA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4047CA

7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4047CA	#FFFFFF	#000000	##FFFFFF
##4047CA	1.00	7.07	2.97	7.07
#FFFFFF	7.07	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FCE

Deuteranopia (green-blind)

#0052C7

Tritanopia (blue-blind)

#006982

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #4047ca;
/* rgb */ color: rgb(64, 71, 202);
/* oklch */ color: oklch(47.8% 0.199 273.7);

Tailwind

colors: {
  custom: {
    50: '#867adb',
    500: '#4047ca',
    950: '#000000',
  },
}

SCSS

$custom: #4047ca;
$custom-light: #867adb;
$custom-dark: #000000;

JSON

{
  "hex": "#4047ca",
  "rgb": {
    "r": 64,
    "g": 71,
    "b": 202
  },
  "hsl": {
    "h": 236.957,
    "s": 56.557,
    "l": 52.157
  },
  "oklch": {
    "l": 0.47802,
    "c": 0.19897,
    "h": 273.7
  },
  "luminance": 0.09861
}

Semantic roles & 50–950 ramp

primary

#4047CA

secondary

#D1CE95

accent

#D848E0

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #4047CA

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

Preview Lab → · Contrast checker → · Palette generator →