#213B9D#213B9D

#213B9D is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.9% C 0.162 H 267.0°. Best body text is #FFFFFF at 9.65:1 contrast (WCAG AA passes).

Color values

HEX	#213B9D
RGB	rgb(33, 59, 157)
HSL	hsl(227, 65%, 37%)
HSV	hsv(227, 79%, 62%)
CMYK	cmyk(79%, 62.4%, 0%, 38.4%)
CIE-LAB	lab(29.12, 27.12, -55.99)
CIE-LCH	lch(29.12, 62.22, 295.85°)
OKLab	oklab(39.93% -0.0084 -0.1619)
OKLCH	oklch(39.93% 0.162 267)
XYZ	xyz(8.2748, 5.8846, 32.5915)
Luminance	0.0589 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213B9D #9D8321

analogous

#21799D #213B9D #45219D

triadic

#213B9D #9D213B #3B9D21

tetradic

#213B9D #9D2179 #9D8321 #219D45

square

#213B9D #9D2179 #9D8321 #219D45

split-complementary

#213B9D #9D4521 #799D21

monochromatic

#0C1538 #16286A #213B9D #2C4ED0 #5C77DD

Accessibility & contrast

On white

9.65

#213B9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#213B9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213B9D

9.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213B9D	#FFFFFF	#000000	##FFFFFF
##213B9D	1.00	9.65	2.18	9.65
#FFFFFF	9.65	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA0

Deuteranopia (green-blind)

#003F9B

Tritanopia (blue-blind)

#005466

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #213b9d;
/* rgb */ color: rgb(33, 59, 157);
/* oklch */ color: oklch(39.9% 0.162 267.0);

Tailwind

colors: {
  custom: {
    50: '#7170bb',
    500: '#213b9d',
    950: '#000000',
  },
}

SCSS

$custom: #213b9d;
$custom-light: #7170bb;
$custom-dark: #000000;

JSON

{
  "hex": "#213b9d",
  "rgb": {
    "r": 33,
    "g": 59,
    "b": 157
  },
  "hsl": {
    "h": 227.419,
    "s": 65.263,
    "l": 37.255
  },
  "oklch": {
    "l": 0.39933,
    "c": 0.16212,
    "h": 267
  },
  "luminance": 0.05886
}

Semantic roles & 50–950 ramp

primary

#213B9D

secondary

#C1AB59

accent

#C540E8

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #213B9D

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

Preview Lab → · Contrast checker → · Palette generator →