#4051C0#4051C0

#4051C0 is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.7% C 0.174 H 271.7°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#4051C0
RGB	rgb(64, 81, 192)
HSL	hsl(232, 50%, 50%)
HSV	hsv(232, 67%, 75%)
CMYK	cmyk(66.7%, 57.8%, 0%, 24.7%)
CIE-LAB	lab(39.21, 29.62, -60.31)
CIE-LCH	lch(39.21, 67.20, 296.16°)
OKLab	oklab(48.74% 0.0053 -0.1736)
OKLCH	oklch(48.74% 0.174 271.7)
XYZ	xyz(14.5680, 10.7793, 51.1718)
Luminance	0.1078 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4051C0 #C0AF40

analogous

#4091C0 #4051C0 #6F40C0

triadic

#4051C0 #C04051 #51C040

tetradic

#4051C0 #C04091 #C0AF40 #40C06F

square

#4051C0 #C04091 #C0AF40 #40C06F

split-complementary

#4051C0 #C06F40 #91C040

monochromatic

#212A64 #303D92 #4051C0 #6E7BCF #9CA5DE

Accessibility & contrast

On white

6.65

#4051C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#4051C0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4051C0

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4051C0	#FFFFFF	#000000	##FFFFFF
##4051C0	1.00	6.65	3.16	6.65
#FFFFFF	6.65	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C4

Deuteranopia (green-blind)

#0057BE

Tritanopia (blue-blind)

#006C80

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #4051c0;
/* rgb */ color: rgb(64, 81, 192);
/* oklch */ color: oklch(48.7% 0.174 271.7);

Tailwind

colors: {
  custom: {
    50: '#8481d4',
    500: '#4051c0',
    950: '#000000',
  },
}

SCSS

$custom: #4051c0;
$custom-light: #8481d4;
$custom-dark: #000000;

JSON

{
  "hex": "#4051c0",
  "rgb": {
    "r": 64,
    "g": 81,
    "b": 192
  },
  "hsl": {
    "h": 232.031,
    "s": 50.394,
    "l": 50.196
  },
  "oklch": {
    "l": 0.48744,
    "c": 0.17373,
    "h": 271.7
  },
  "luminance": 0.10781
}

Semantic roles & 50–950 ramp

primary

#4051C0

secondary

#CBC391

accent

#C74EDA

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #4051C0

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

Preview Lab → · Contrast checker → · Palette generator →