#4073C0#4073C0

#4073C0 is a mid, vivid blue. Relative luminance 0.172; OKLCH L 55.8% C 0.132 H 258.5°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#4073C0
RGB	rgb(64, 115, 192)
HSL	hsl(216, 50%, 50%)
HSV	hsv(216, 67%, 75%)
CMYK	cmyk(66.7%, 40.1%, 0%, 24.7%)
CIE-LAB	lab(48.46, 8.00, -45.44)
CIE-LCH	lch(48.46, 46.13, 279.99°)
OKLab	oklab(55.79% -0.0264 -0.1294)
OKLCH	oklch(55.79% 0.132 258.5)
XYZ	xyz(17.7561, 17.1555, 52.2345)
Luminance	0.1716 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4073C0 #C08D40

analogous

#40B3C0 #4073C0 #4D40C0

triadic

#4073C0 #C04073 #73C040

tetradic

#4073C0 #C040B3 #C08D40 #40C04D

square

#4073C0 #C040B3 #C08D40 #40C04D

split-complementary

#4073C0 #C04D40 #B3C040

monochromatic

#213C64 #305792 #4073C0 #6E95CF #9CB6DE

Accessibility & contrast

On white

4.74

#4073C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#4073C0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4073C0

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4073C0	#FFFFFF	#000000	##FFFFFF
##4073C0	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#507AC3

Deuteranopia (green-blind)

#3D6EBE

Tritanopia (blue-blind)

#008590

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4073c0;
/* rgb */ color: rgb(64, 115, 192);
/* oklch */ color: oklch(55.8% 0.132 258.5);

Tailwind

colors: {
  custom: {
    50: '#829ad3',
    500: '#4073c0',
    950: '#000000',
  },
}

SCSS

$custom: #4073c0;
$custom-light: #829ad3;
$custom-dark: #000000;

JSON

{
  "hex": "#4073c0",
  "rgb": {
    "r": 64,
    "g": 115,
    "b": 192
  },
  "hsl": {
    "h": 216.094,
    "s": 50.394,
    "l": 50.196
  },
  "oklch": {
    "l": 0.5579,
    "c": 0.13209,
    "h": 258.5
  },
  "luminance": 0.17157
}

Semantic roles & 50–950 ramp

primary

#4073C0

secondary

#CBB491

accent

#A24EDA

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #4073C0

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

Preview Lab → · Contrast checker → · Palette generator →