#213D9F#213D9F

#213D9F is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.5% C 0.162 H 266.6°. Best body text is #FFFFFF at 9.41:1 contrast (WCAG AA passes).

Color values

HEX	#213D9F
RGB	rgb(33, 61, 159)
HSL	hsl(227, 66%, 38%)
HSV	hsv(227, 79%, 62%)
CMYK	cmyk(79.2%, 61.6%, 0%, 37.6%)
CIE-LAB	lab(29.82, 26.55, -56.06)
CIE-LCH	lch(29.82, 62.03, 295.34°)
OKLab	oklab(40.51% -0.0097 -0.1621)
OKLCH	oklch(40.51% 0.162 266.6)
XYZ	xyz(8.5518, 6.1630, 33.5330)
Luminance	0.0616 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213D9F #9F8321

analogous

#217C9F #213D9F #44219F

triadic

#213D9F #9F213D #3D9F21

tetradic

#213D9F #9F217C #9F8321 #219F44

square

#213D9F #9F217C #9F8321 #219F44

split-complementary

#213D9F #9F4421 #7C9F21

monochromatic

#0C163A #162A6C #213D9F #2C50D2 #5D7ADD

Accessibility & contrast

On white

9.41

#213D9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#213D9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213D9F

9.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213D9F	#FFFFFF	#000000	##FFFFFF
##213D9F	1.00	9.41	2.23	9.41
#FFFFFF	9.41	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA2

Deuteranopia (green-blind)

#00419D

Tritanopia (blue-blind)

#005668

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #213d9f;
/* rgb */ color: rgb(33, 61, 159);
/* oklch */ color: oklch(40.5% 0.162 266.6);

Tailwind

colors: {
  custom: {
    50: '#7272bc',
    500: '#213d9f',
    950: '#000000',
  },
}

SCSS

$custom: #213d9f;
$custom-light: #7272bc;
$custom-dark: #000000;

JSON

{
  "hex": "#213d9f",
  "rgb": {
    "r": 33,
    "g": 61,
    "b": 159
  },
  "hsl": {
    "h": 226.667,
    "s": 65.625,
    "l": 37.647
  },
  "oklch": {
    "l": 0.40507,
    "c": 0.16237,
    "h": 266.6
  },
  "luminance": 0.06164
}

Semantic roles & 50–950 ramp

primary

#213D9F

secondary

#C2AB5A

accent

#C33FE9

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #213D9F

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

Preview Lab → · Contrast checker → · Palette generator →