#213C99#213C99

#213C99 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.8% C 0.155 H 266.6°. Best body text is #FFFFFF at 9.67:1 contrast (WCAG AA passes).

Color values

HEX	#213C99
RGB	rgb(33, 60, 153)
HSL	hsl(227, 65%, 36%)
HSV	hsv(227, 78%, 60%)
CMYK	cmyk(78.4%, 60.8%, 0%, 40%)
CIE-LAB	lab(29.04, 24.89, -53.69)
CIE-LCH	lch(29.04, 59.18, 294.88°)
OKLab	oklab(39.77% -0.0091 -0.1551)
OKLCH	oklch(39.77% 0.155 266.6)
XYZ	xyz(7.9908, 5.8541, 30.8396)
Luminance	0.0585 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213C99 #997E21

analogous

#217899 #213C99 #422199

triadic

#213C99 #99213C #3C9921

tetradic

#213C99 #992178 #997E21 #219942

square

#213C99 #992178 #997E21 #219942

split-complementary

#213C99 #994221 #789921

monochromatic

#0B1534 #162867 #213C99 #2C50CB #5976DB

Accessibility & contrast

On white

9.67

#213C99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#213C99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213C99

9.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213C99	#FFFFFF	#000000	##FFFFFF
##213C99	1.00	9.67	2.17	9.67
#FFFFFF	9.67	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A9C

Deuteranopia (green-blind)

#003F97

Tritanopia (blue-blind)

#005464

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #213c99;
/* rgb */ color: rgb(33, 60, 153);
/* oklch */ color: oklch(39.8% 0.155 266.6);

Tailwind

colors: {
  custom: {
    50: '#7071b8',
    500: '#213c99',
    950: '#000000',
  },
}

SCSS

$custom: #213c99;
$custom-light: #7071b8;
$custom-dark: #000000;

JSON

{
  "hex": "#213c99",
  "rgb": {
    "r": 33,
    "g": 60,
    "b": 153
  },
  "hsl": {
    "h": 226.5,
    "s": 64.516,
    "l": 36.471
  },
  "oklch": {
    "l": 0.39768,
    "c": 0.1554,
    "h": 266.6
  },
  "luminance": 0.05855
}

Semantic roles & 50–950 ramp

primary

#213C99

secondary

#BFA856

accent

#C240E8

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #213C99

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

Preview Lab → · Contrast checker → · Palette generator →