#213DA2#213DA2

#213DA2 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.8% C 0.166 H 266.7°. Best body text is #FFFFFF at 9.32:1 contrast (WCAG AA passes).

Color values

HEX	#213DA2
RGB	rgb(33, 61, 162)
HSL	hsl(227, 66%, 38%)
HSV	hsv(227, 80%, 64%)
CMYK	cmyk(79.6%, 62.3%, 0%, 36.5%)
CIE-LAB	lab(30.08, 27.71, -57.45)
CIE-LCH	lch(30.08, 63.78, 295.75°)
OKLab	oklab(40.78% -0.0097 -0.1661)
OKLCH	oklch(40.78% 0.166 266.7)
XYZ	xyz(8.8152, 6.2684, 34.9207)
Luminance	0.0627 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213DA2 #A28621

analogous

#217DA2 #213DA2 #4521A2

triadic

#213DA2 #A2213D #3DA221

tetradic

#213DA2 #A2217D #A28621 #21A245

square

#213DA2 #A2217D #A28621 #21A245

split-complementary

#213DA2 #A24521 #7DA221

monochromatic

#0C173C #172A6F #213DA2 #2C51D4 #5F7BDE

Accessibility & contrast

On white

9.32

#213DA2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#213DA2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213DA2

9.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213DA2	#FFFFFF	#000000	##FFFFFF
##213DA2	1.00	9.32	2.25	9.32
#FFFFFF	9.32	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA5

Deuteranopia (green-blind)

#0041A0

Tritanopia (blue-blind)

#005769

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #213da2;
/* rgb */ color: rgb(33, 61, 162);
/* oklch */ color: oklch(40.8% 0.166 266.7);

Tailwind

colors: {
  custom: {
    50: '#7272be',
    500: '#213da2',
    950: '#000000',
  },
}

SCSS

$custom: #213da2;
$custom-light: #7272be;
$custom-dark: #000000;

JSON

{
  "hex": "#213da2",
  "rgb": {
    "r": 33,
    "g": 61,
    "b": 162
  },
  "hsl": {
    "h": 226.977,
    "s": 66.154,
    "l": 38.235
  },
  "oklch": {
    "l": 0.40781,
    "c": 0.16643,
    "h": 266.7
  },
  "luminance": 0.06269
}

Semantic roles & 50–950 ramp

primary

#213DA2

secondary

#C3AD5C

accent

#C43FE9

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #213DA2

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

Preview Lab → · Contrast checker → · Palette generator →