#213D9C#213D9C

#213D9C is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.2% C 0.158 H 266.5°. Best body text is #FFFFFF at 9.49:1 contrast (WCAG AA passes).

Color values

HEX	#213D9C
RGB	rgb(33, 61, 156)
HSL	hsl(226, 65%, 37%)
HSV	hsv(226, 79%, 61%)
CMYK	cmyk(78.8%, 60.9%, 0%, 38.8%)
CIE-LAB	lab(29.56, 25.38, -54.66)
CIE-LCH	lch(29.56, 60.27, 294.91°)
OKLab	oklab(40.24% -0.0097 -0.158)
OKLCH	oklch(40.24% 0.158 266.5)
XYZ	xyz(8.2946, 6.0602, 32.1786)
Luminance	0.0606 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213D9C #9C8021

analogous

#217B9C #213D9C #42219C

triadic

#213D9C #9C213D #3D9C21

tetradic

#213D9C #9C217B #9C8021 #219C42

square

#213D9C #9C217B #9C8021 #219C42

split-complementary

#213D9C #9C4221 #7B9C21

monochromatic

#0C1537 #162969 #213D9C #2C51CF #5B79DC

Accessibility & contrast

On white

9.49

#213D9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#213D9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213D9C

9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213D9C	#FFFFFF	#000000	##FFFFFF
##213D9C	1.00	9.49	2.21	9.49
#FFFFFF	9.49	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C9F

Deuteranopia (green-blind)

#00409A

Tritanopia (blue-blind)

#005566

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #213d9c;
/* rgb */ color: rgb(33, 61, 156);
/* oklch */ color: oklch(40.2% 0.158 266.5);

Tailwind

colors: {
  custom: {
    50: '#7172ba',
    500: '#213d9c',
    950: '#000000',
  },
}

SCSS

$custom: #213d9c;
$custom-light: #7172ba;
$custom-dark: #000000;

JSON

{
  "hex": "#213d9c",
  "rgb": {
    "r": 33,
    "g": 61,
    "b": 156
  },
  "hsl": {
    "h": 226.341,
    "s": 65.079,
    "l": 37.059
  },
  "oklch": {
    "l": 0.40237,
    "c": 0.15827,
    "h": 266.5
  },
  "luminance": 0.06061
}

Semantic roles & 50–950 ramp

primary

#213D9C

secondary

#C1A958

accent

#C240E8

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #213D9C

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

Preview Lab → · Contrast checker → · Palette generator →