#213C9D#213C9D

#213C9D is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.1% C 0.161 H 266.8°. Best body text is #FFFFFF at 9.56:1 contrast (WCAG AA passes).

Color values

HEX	#213C9D
RGB	rgb(33, 60, 157)
HSL	hsl(227, 65%, 37%)
HSV	hsv(227, 79%, 62%)
CMYK	cmyk(79%, 61.8%, 0%, 38.4%)
CIE-LAB	lab(29.38, 26.45, -55.56)
CIE-LCH	lch(29.38, 61.54, 295.45°)
OKLab	oklab(40.13% -0.009 -0.1606)
OKLCH	oklch(40.13% 0.161 266.8)
XYZ	xyz(8.3267, 5.9884, 32.6088)
Luminance	0.0599 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213C9D #9D8221

analogous

#217A9D #213C9D #44219D

triadic

#213C9D #9D213C #3C9D21

tetradic

#213C9D #9D217A #9D8221 #219D44

square

#213C9D #9D217A #9D8221 #219D44

split-complementary

#213C9D #9D4421 #7A9D21

monochromatic

#0C1538 #16296A #213C9D #2C4FD0 #5C78DD

Accessibility & contrast

On white

9.56

#213C9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#213C9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213C9D

9.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213C9D	#FFFFFF	#000000	##FFFFFF
##213C9D	1.00	9.56	2.20	9.56
#FFFFFF	9.56	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA0

Deuteranopia (green-blind)

#00409B

Tritanopia (blue-blind)

#005566

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #213c9d;
/* rgb */ color: rgb(33, 60, 157);
/* oklch */ color: oklch(40.1% 0.161 266.8);

Tailwind

colors: {
  custom: {
    50: '#7171bb',
    500: '#213c9d',
    950: '#000000',
  },
}

SCSS

$custom: #213c9d;
$custom-light: #7171bb;
$custom-dark: #000000;

JSON

{
  "hex": "#213c9d",
  "rgb": {
    "r": 33,
    "g": 60,
    "b": 157
  },
  "hsl": {
    "h": 226.935,
    "s": 65.263,
    "l": 37.255
  },
  "oklch": {
    "l": 0.40129,
    "c": 0.16088,
    "h": 266.8
  },
  "luminance": 0.05989
}

Semantic roles & 50–950 ramp

primary

#213C9D

secondary

#C1AA59

accent

#C440E8

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #213C9D

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

Preview Lab → · Contrast checker → · Palette generator →