#213D9D#213D9D

#213D9D is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.3% C 0.160 H 266.5°. Best body text is #FFFFFF at 9.46:1 contrast (WCAG AA passes).

Color values

HEX	#213D9D
RGB	rgb(33, 61, 157)
HSL	hsl(226, 65%, 37%)
HSV	hsv(226, 79%, 62%)
CMYK	cmyk(79%, 61.1%, 0%, 38.4%)
CIE-LAB	lab(29.65, 25.77, -55.13)
CIE-LCH	lch(29.65, 60.86, 295.06°)
OKLab	oklab(40.33% -0.0097 -0.1593)
OKLCH	oklch(40.33% 0.16 266.5)
XYZ	xyz(8.3796, 6.0942, 32.6264)
Luminance	0.0609 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213D9D #9D8121

analogous

#217B9D #213D9D #43219D

triadic

#213D9D #9D213D #3D9D21

tetradic

#213D9D #9D217B #9D8121 #219D43

square

#213D9D #9D217B #9D8121 #219D43

split-complementary

#213D9D #9D4321 #7B9D21

monochromatic

#0C1638 #16296A #213D9D #2C51D0 #5C79DD

Accessibility & contrast

On white

9.46

#213D9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#213D9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213D9D

9.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213D9D	#FFFFFF	#000000	##FFFFFF
##213D9D	1.00	9.46	2.22	9.46
#FFFFFF	9.46	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA0

Deuteranopia (green-blind)

#00409B

Tritanopia (blue-blind)

#005667

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #213d9d;
/* rgb */ color: rgb(33, 61, 157);
/* oklch */ color: oklch(40.3% 0.160 266.5);

Tailwind

colors: {
  custom: {
    50: '#7172bb',
    500: '#213d9d',
    950: '#000000',
  },
}

SCSS

$custom: #213d9d;
$custom-light: #7172bb;
$custom-dark: #000000;

JSON

{
  "hex": "#213d9d",
  "rgb": {
    "r": 33,
    "g": 61,
    "b": 157
  },
  "hsl": {
    "h": 226.452,
    "s": 65.263,
    "l": 37.255
  },
  "oklch": {
    "l": 0.40327,
    "c": 0.15963,
    "h": 266.5
  },
  "luminance": 0.06095
}

Semantic roles & 50–950 ramp

primary

#213D9D

secondary

#C1A959

accent

#C240E8

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #213D9D

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

Preview Lab → · Contrast checker → · Palette generator →