#4073CE#4073CE

#4073CE is a mid, vivid blue. Relative luminance 0.178; OKLCH L 56.7% C 0.151 H 261.0°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#4073CE
RGB	rgb(64, 115, 206)
HSL	hsl(218, 59%, 53%)
HSV	hsv(218, 69%, 81%)
CMYK	cmyk(68.9%, 44.2%, 0%, 19.2%)
CIE-LAB	lab(49.26, 13.01, -52.17)
CIE-LCH	lch(49.26, 53.77, 284.00°)
OKLab	oklab(56.67% -0.0236 -0.1492)
OKLCH	oklch(56.67% 0.151 261)
XYZ	xyz(19.3817, 17.8057, 60.7960)
Luminance	0.1781 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4073CE #CE9B40

analogous

#40BACE #4073CE #5440CE

triadic

#4073CE #CE4073 #73CE40

tetradic

#4073CE #CE40BA #CE9B40 #40CE54

square

#4073CE #CE40BA #CE9B40 #40CE54

split-complementary

#4073CE #CE5440 #BACE40

monochromatic

#1E3D75 #2B57A6 #4073CE #7197DA #A1BAE7

Accessibility & contrast

On white

4.60

#4073CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#4073CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4073CE

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4073CE	#FFFFFF	#000000	##FFFFFF
##4073CE	1.00	4.60	4.56	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#467CD1

Deuteranopia (green-blind)

#2C6FCC

Tritanopia (blue-blind)

#008896

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4073ce;
/* rgb */ color: rgb(64, 115, 206);
/* oklch */ color: oklch(56.7% 0.151 261.0);

Tailwind

colors: {
  custom: {
    50: '#859add',
    500: '#4073ce',
    950: '#000000',
  },
}

SCSS

$custom: #4073ce;
$custom-light: #859add;
$custom-dark: #000000;

JSON

{
  "hex": "#4073ce",
  "rgb": {
    "r": 64,
    "g": 115,
    "b": 206
  },
  "hsl": {
    "h": 218.451,
    "s": 59.167,
    "l": 52.941
  },
  "oklch": {
    "l": 0.56673,
    "c": 0.15107,
    "h": 261
  },
  "luminance": 0.17808
}

Semantic roles & 50–950 ramp

primary

#4073CE

secondary

#D4BE96

accent

#AA45E2

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4073CE

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

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