#213C9F#213C9F

#213C9F is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.3% C 0.164 H 266.8°. Best body text is #FFFFFF at 9.50:1 contrast (WCAG AA passes).

Color values

HEX	#213C9F
RGB	rgb(33, 60, 159)
HSL	hsl(227, 66%, 38%)
HSV	hsv(227, 79%, 62%)
CMYK	cmyk(79.2%, 62.3%, 0%, 37.6%)
CIE-LAB	lab(29.56, 27.22, -56.49)
CIE-LCH	lch(29.56, 62.71, 295.73°)
OKLab	oklab(40.31% -0.009 -0.1633)
OKLCH	oklch(40.31% 0.164 266.8)
XYZ	xyz(8.4989, 6.0573, 33.5154)
Luminance	0.0606 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213C9F #9F8421

analogous

#217B9F #213C9F #45219F

triadic

#213C9F #9F213C #3C9F21

tetradic

#213C9F #9F217B #9F8421 #219F45

square

#213C9F #9F217B #9F8421 #219F45

split-complementary

#213C9F #9F4521 #7B9F21

monochromatic

#0C163A #16296C #213C9F #2C4FD2 #5D79DD

Accessibility & contrast

On white

9.50

#213C9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#213C9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213C9F

9.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213C9F	#FFFFFF	#000000	##FFFFFF
##213C9F	1.00	9.50	2.21	9.50
#FFFFFF	9.50	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA2

Deuteranopia (green-blind)

#00409D

Tritanopia (blue-blind)

#005667

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #213c9f;
/* rgb */ color: rgb(33, 60, 159);
/* oklch */ color: oklch(40.3% 0.164 266.8);

Tailwind

colors: {
  custom: {
    50: '#7271bc',
    500: '#213c9f',
    950: '#000000',
  },
}

SCSS

$custom: #213c9f;
$custom-light: #7271bc;
$custom-dark: #000000;

JSON

{
  "hex": "#213c9f",
  "rgb": {
    "r": 33,
    "g": 60,
    "b": 159
  },
  "hsl": {
    "h": 227.143,
    "s": 65.625,
    "l": 37.647
  },
  "oklch": {
    "l": 0.40312,
    "c": 0.1636,
    "h": 266.8
  },
  "luminance": 0.06058
}

Semantic roles & 50–950 ramp

primary

#213C9F

secondary

#C2AC5A

accent

#C43FE9

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #213C9F

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

Preview Lab → · Contrast checker → · Palette generator →