#213FA1#213FA1

#213FA1 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.1% C 0.163 H 266.1°. Best body text is #FFFFFF at 9.17:1 contrast (WCAG AA passes).

Color values

HEX	#213FA1
RGB	rgb(33, 63, 161)
HSL	hsl(226, 66%, 38%)
HSV	hsv(226, 80%, 63%)
CMYK	cmyk(79.5%, 60.9%, 0%, 36.9%)
CIE-LAB	lab(30.52, 25.98, -56.13)
CIE-LCH	lch(30.52, 61.85, 294.83°)
OKLab	oklab(41.08% -0.0109 -0.1622)
OKLCH	oklch(41.08% 0.163 266.1)
XYZ	xyz(8.8355, 6.4505, 34.4907)
Luminance	0.0645 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213FA1 #A18321

analogous

#217FA1 #213FA1 #4321A1

triadic

#213FA1 #A1213F #3FA121

tetradic

#213FA1 #A1217F #A18321 #21A143

square

#213FA1 #A1217F #A18321 #21A143

split-complementary

#213FA1 #A14321 #7FA121

monochromatic

#0C173B #172B6E #213FA1 #2C53D4 #5E7CDE

Accessibility & contrast

On white

9.17

#213FA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#213FA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213FA1

9.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213FA1	#FFFFFF	#000000	##FFFFFF
##213FA1	1.00	9.17	2.29	9.17
#FFFFFF	9.17	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA4

Deuteranopia (green-blind)

#00429F

Tritanopia (blue-blind)

#00586A

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #213fa1;
/* rgb */ color: rgb(33, 63, 161);
/* oklch */ color: oklch(41.1% 0.163 266.1);

Tailwind

colors: {
  custom: {
    50: '#7273be',
    500: '#213fa1',
    950: '#000000',
  },
}

SCSS

$custom: #213fa1;
$custom-light: #7273be;
$custom-dark: #000000;

JSON

{
  "hex": "#213fa1",
  "rgb": {
    "r": 33,
    "g": 63,
    "b": 161
  },
  "hsl": {
    "h": 225.938,
    "s": 65.979,
    "l": 38.039
  },
  "oklch": {
    "l": 0.41083,
    "c": 0.16261,
    "h": 266.1
  },
  "luminance": 0.06452
}

Semantic roles & 50–950 ramp

primary

#213FA1

secondary

#C3AA5B

accent

#C13FE9

background

#F7F6FB

surface

#EDECF7

border

#C8C7D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #213FA1

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

Preview Lab → · Contrast checker → · Palette generator →