#213AA4#213AA4

#213AA4 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.4% C 0.173 H 267.4°. Best body text is #FFFFFF at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#213AA4
RGB	rgb(33, 58, 164)
HSL	hsl(229, 66%, 39%)
HSV	hsv(229, 80%, 64%)
CMYK	cmyk(79.9%, 64.6%, 0%, 35.7%)
CIE-LAB	lab(29.48, 30.47, -59.63)
CIE-LCH	lch(29.48, 66.97, 297.07°)
OKLab	oklab(40.4% -0.0079 -0.1726)
OKLCH	oklch(40.4% 0.173 267.4)
XYZ	xyz(8.8388, 6.0288, 35.8126)
Luminance	0.0603 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213AA4 #A48B21

analogous

#217BA4 #213AA4 #4A21A4

triadic

#213AA4 #A4213A #3AA421

tetradic

#213AA4 #A4217B #A48B21 #21A44A

square

#213AA4 #A4217B #A48B21 #21A44A

split-complementary

#213AA4 #A44A21 #7BA421

monochromatic

#0C163E #172871 #213AA4 #2D4DD5 #6079DF

Accessibility & contrast

On white

9.52

#213AA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#213AA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213AA4

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213AA4	#FFFFFF	#000000	##FFFFFF
##213AA4	1.00	9.52	2.21	9.52
#FFFFFF	9.52	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA7

Deuteranopia (green-blind)

#003FA2

Tritanopia (blue-blind)

#005669

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #213aa4;
/* rgb */ color: rgb(33, 58, 164);
/* oklch */ color: oklch(40.4% 0.173 267.4);

Tailwind

colors: {
  custom: {
    50: '#7370c0',
    500: '#213aa4',
    950: '#000000',
  },
}

SCSS

$custom: #213aa4;
$custom-light: #7370c0;
$custom-dark: #000000;

JSON

{
  "hex": "#213aa4",
  "rgb": {
    "r": 33,
    "g": 58,
    "b": 164
  },
  "hsl": {
    "h": 228.55,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.40396,
    "c": 0.17276,
    "h": 267.4
  },
  "luminance": 0.0603
}

Semantic roles & 50–950 ramp

primary

#213AA4

secondary

#C4B05D

accent

#C93EE9

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #213AA4

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

Preview Lab → · Contrast checker → · Palette generator →