#404CCB#404CCB

#404CCB is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.7% C 0.194 H 272.7°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#404CCB
RGB	rgb(64, 76, 203)
HSL	hsl(235, 57%, 52%)
HSV	hsv(235, 68%, 80%)
CMYK	cmyk(68.5%, 62.6%, 0%, 20.4%)
CIE-LAB	lab(38.85, 36.62, -67.30)
CIE-LCH	lch(38.85, 76.62, 298.55°)
OKLab	oklab(48.75% 0.0091 -0.1942)
OKLCH	oklch(48.75% 0.194 272.7)
XYZ	xyz(15.4747, 10.5692, 57.7129)
Luminance	0.1057 (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

#404CCB #CBBF40

analogous

#4092CB #404CCB #7940CB

triadic

#404CCB #CB404C #4CCB40

tetradic

#404CCB #CB4092 #CBBF40 #40CB79

square

#404CCB #CB4092 #CBBF40 #40CB79

split-complementary

#404CCB #CB7940 #92CB40

monochromatic

#1F2672 #2C36A2 #404CCB #7079D8 #A0A6E5

Accessibility & contrast

On white

6.74

#404CCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#404CCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404CCB

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404CCB	#FFFFFF	#000000	##FFFFFF
##404CCB	1.00	6.74	3.11	6.74
#FFFFFF	6.74	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062CF

Deuteranopia (green-blind)

#0055C9

Tritanopia (blue-blind)

#006C84

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #404ccb;
/* rgb */ color: rgb(64, 76, 203);
/* oklch */ color: oklch(48.7% 0.194 272.7);

Tailwind

colors: {
  custom: {
    50: '#867edc',
    500: '#404ccb',
    950: '#000000',
  },
}

SCSS

$custom: #404ccb;
$custom-light: #867edc;
$custom-dark: #000000;

JSON

{
  "hex": "#404ccb",
  "rgb": {
    "r": 64,
    "g": 76,
    "b": 203
  },
  "hsl": {
    "h": 234.82,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.48748,
    "c": 0.19442,
    "h": 272.7
  },
  "luminance": 0.10571
}

Semantic roles & 50–950 ramp

primary

#404CCB

secondary

#D2CC95

accent

#D347E0

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0D0A15

muted

#7D7C83

Preview Lab

Preview with #404CCB

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

Preview Lab → · Contrast checker → · Palette generator →