#213D99#213D99

#213D99 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.0% C 0.154 H 266.4°. Best body text is #FFFFFF at 9.58:1 contrast (WCAG AA passes).

Color values

HEX	#213D99
RGB	rgb(33, 61, 153)
HSL	hsl(226, 65%, 36%)
HSV	hsv(226, 78%, 60%)
CMYK	cmyk(78.4%, 60.1%, 0%, 40%)
CIE-LAB	lab(29.31, 24.22, -53.25)
CIE-LCH	lch(29.31, 58.50, 294.45°)
OKLab	oklab(39.97% -0.0098 -0.1538)
OKLCH	oklch(39.97% 0.154 266.4)
XYZ	xyz(8.0437, 5.9598, 30.8572)
Luminance	0.0596 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213D99 #997D21

analogous

#217999 #213D99 #412199

triadic

#213D99 #99213D #3D9921

tetradic

#213D99 #992179 #997D21 #219941

square

#213D99 #992179 #997D21 #219941

split-complementary

#213D99 #994121 #799921

monochromatic

#0B1534 #162967 #213D99 #2C51CB #5978DB

Accessibility & contrast

On white

9.58

#213D99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#213D99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213D99

9.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213D99	#FFFFFF	#000000	##FFFFFF
##213D99	1.00	9.58	2.19	9.58
#FFFFFF	9.58	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B9C

Deuteranopia (green-blind)

#004097

Tritanopia (blue-blind)

#005465

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #213d99;
/* rgb */ color: rgb(33, 61, 153);
/* oklch */ color: oklch(40.0% 0.154 266.4);

Tailwind

colors: {
  custom: {
    50: '#7072b8',
    500: '#213d99',
    950: '#000000',
  },
}

SCSS

$custom: #213d99;
$custom-light: #7072b8;
$custom-dark: #000000;

JSON

{
  "hex": "#213d99",
  "rgb": {
    "r": 33,
    "g": 61,
    "b": 153
  },
  "hsl": {
    "h": 226,
    "s": 64.516,
    "l": 36.471
  },
  "oklch": {
    "l": 0.3997,
    "c": 0.15413,
    "h": 266.4
  },
  "luminance": 0.05961
}

Semantic roles & 50–950 ramp

primary

#213D99

secondary

#BFA756

accent

#C040E8

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #213D99

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

Preview Lab → · Contrast checker → · Palette generator →