#4073BA#4073BA

#4073BA is a mid, vivid cyan. Relative luminance 0.169; OKLCH L 55.4% C 0.124 H 257.0°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#4073BA
RGB	rgb(64, 115, 186)
HSL	hsl(215, 49%, 49%)
HSV	hsv(215, 66%, 73%)
CMYK	cmyk(65.6%, 38.2%, 0%, 27.1%)
CIE-LAB	lab(48.13, 5.88, -42.50)
CIE-LCH	lch(48.13, 42.90, 277.88°)
OKLab	oklab(55.43% -0.0278 -0.1208)
OKLCH	oklch(55.43% 0.124 257)
XYZ	xyz(17.1048, 16.8950, 48.8045)
Luminance	0.1690 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4073BA #BA8740

analogous

#40B0BA #4073BA #4A40BA

triadic

#4073BA #BA4073 #73BA40

tetradic

#4073BA #BA40B0 #BA8740 #40BA4A

square

#4073BA #BA40B0 #BA8740 #40BA4A

split-complementary

#4073BA #BA4A40 #B0BA40

monochromatic

#213B5F #30578C #4073BA #6B94CC #99B5DC

Accessibility & contrast

On white

4.80

#4073BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#4073BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4073BA

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4073BA	#FFFFFF	#000000	##FFFFFF
##4073BA	1.00	4.80	4.38	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5478BD

Deuteranopia (green-blind)

#426DB9

Tritanopia (blue-blind)

#00838D

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #4073ba;
/* rgb */ color: rgb(64, 115, 186);
/* oklch */ color: oklch(55.4% 0.124 257.0);

Tailwind

colors: {
  custom: {
    50: '#819acf',
    500: '#4073ba',
    950: '#000000',
  },
}

SCSS

$custom: #4073ba;
$custom-light: #819acf;
$custom-dark: #000000;

JSON

{
  "hex": "#4073ba",
  "rgb": {
    "r": 64,
    "g": 115,
    "b": 186
  },
  "hsl": {
    "h": 214.918,
    "s": 48.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.55428,
    "c": 0.12397,
    "h": 257
  },
  "luminance": 0.16897
}

Semantic roles & 50–950 ramp

primary

#4073BA

secondary

#C8B08E

accent

#9F4FD8

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #4073BA

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

Preview Lab → · Contrast checker → · Palette generator →