#4073CA#4073CA

#4073CA is a mid, vivid blue. Relative luminance 0.176; OKLCH L 56.4% C 0.146 H 260.4°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#4073CA
RGB	rgb(64, 115, 202)
HSL	hsl(218, 57%, 52%)
HSV	hsv(218, 68%, 79%)
CMYK	cmyk(68.3%, 43.1%, 0%, 20.8%)
CIE-LAB	lab(49.02, 11.57, -50.27)
CIE-LCH	lch(49.02, 51.58, 282.96°)
OKLab	oklab(56.42% -0.0244 -0.1436)
OKLCH	oklch(56.42% 0.146 260.4)
XYZ	xyz(18.9019, 17.6138, 58.2693)
Luminance	0.1762 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4073CA #CA9740

analogous

#40B8CA #4073CA #5240CA

triadic

#4073CA #CA4073 #73CA40

tetradic

#4073CA #CA40B8 #CA9740 #40CA52

square

#4073CA #CA40B8 #CA9740 #40CA52

split-complementary

#4073CA #CA5240 #B8CA40

monochromatic

#1F3D70 #2C57A0 #4073CA #7096D7 #A0B9E5

Accessibility & contrast

On white

4.64

#4073CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#4073CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4073CA

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4073CA	#FFFFFF	#000000	##FFFFFF
##4073CA	1.00	4.64	4.52	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#497BCD

Deuteranopia (green-blind)

#326FC8

Tritanopia (blue-blind)

#008794

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4073ca;
/* rgb */ color: rgb(64, 115, 202);
/* oklch */ color: oklch(56.4% 0.146 260.4);

Tailwind

colors: {
  custom: {
    50: '#849adb',
    500: '#4073ca',
    950: '#000000',
  },
}

SCSS

$custom: #4073ca;
$custom-light: #849adb;
$custom-dark: #000000;

JSON

{
  "hex": "#4073ca",
  "rgb": {
    "r": 64,
    "g": 115,
    "b": 202
  },
  "hsl": {
    "h": 217.826,
    "s": 56.557,
    "l": 52.157
  },
  "oklch": {
    "l": 0.56415,
    "c": 0.14565,
    "h": 260.4
  },
  "luminance": 0.17616
}

Semantic roles & 50–950 ramp

primary

#4073CA

secondary

#D1BB95

accent

#A848E0

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4073CA

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

Preview Lab → · Contrast checker → · Palette generator →