#213A9C#213A9C

#213A9C is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.6% C 0.162 H 267.3°. Best body text is #FFFFFF at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#213A9C
RGB	rgb(33, 58, 156)
HSL	hsl(228, 65%, 37%)
HSV	hsv(228, 79%, 61%)
CMYK	cmyk(78.8%, 62.8%, 0%, 38.8%)
CIE-LAB	lab(28.77, 27.41, -55.96)
CIE-LCH	lch(28.77, 62.31, 296.10°)
OKLab	oklab(39.65% -0.0078 -0.1618)
OKLCH	oklch(39.65% 0.162 267.3)
XYZ	xyz(8.1389, 5.7488, 32.1267)
Luminance	0.0575 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213A9C #9C8321

analogous

#21789C #213A9C #46219C

triadic

#213A9C #9C213A #3A9C21

tetradic

#213A9C #9C2178 #9C8321 #219C46

square

#213A9C #9C2178 #9C8321 #219C46

split-complementary

#213A9C #9C4621 #789C21

monochromatic

#0C1437 #162769 #213A9C #2C4DCF #5B75DC

Accessibility & contrast

On white

9.77

#213A9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#213A9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213A9C

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213A9C	#FFFFFF	#000000	##FFFFFF
##213A9C	1.00	9.77	2.15	9.77
#FFFFFF	9.77	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A9F

Deuteranopia (green-blind)

#003E9A

Tritanopia (blue-blind)

#005365

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #213a9c;
/* rgb */ color: rgb(33, 58, 156);
/* oklch */ color: oklch(39.6% 0.162 267.3);

Tailwind

colors: {
  custom: {
    50: '#716fba',
    500: '#213a9c',
    950: '#000000',
  },
}

SCSS

$custom: #213a9c;
$custom-light: #716fba;
$custom-dark: #000000;

JSON

{
  "hex": "#213a9c",
  "rgb": {
    "r": 33,
    "g": 58,
    "b": 156
  },
  "hsl": {
    "h": 227.805,
    "s": 65.079,
    "l": 37.059
  },
  "oklch": {
    "l": 0.39647,
    "c": 0.162,
    "h": 267.3
  },
  "luminance": 0.0575
}

Semantic roles & 50–950 ramp

primary

#213A9C

secondary

#C1AB58

accent

#C640E8

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #213A9C

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

Preview Lab → · Contrast checker → · Palette generator →