#212D9F#212D9F

#212D9F is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.6% C 0.181 H 269.7°. Best body text is #FFFFFF at 10.82:1 contrast (WCAG AA passes).

Color values

HEX	#212D9F
RGB	rgb(33, 45, 159)
HSL	hsl(234, 66%, 38%)
HSV	hsv(234, 79%, 62%)
CMYK	cmyk(79.2%, 71.7%, 0%, 37.6%)
CIE-LAB	lab(25.87, 37.01, -62.55)
CIE-LCH	lch(25.87, 72.67, 300.61°)
OKLab	oklab(37.61% -0.0008 -0.1811)
OKLCH	oklch(37.61% 0.181 269.7)
XYZ	xyz(7.8214, 4.7024, 33.2896)
Luminance	0.0470 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#212D9F #9F9321

analogous

#216C9F #212D9F #54219F

triadic

#212D9F #9F212D #2D9F21

tetradic

#212D9F #9F216C #9F9321 #219F54

square

#212D9F #9F216C #9F9321 #219F54

split-complementary

#212D9F #9F5421 #6C9F21

monochromatic

#0C103A #161F6C #212D9F #2C3BD2 #5D69DD

Accessibility & contrast

On white

10.82

#212D9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#212D9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #212D9F

10.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##212D9F	#FFFFFF	#000000	##FFFFFF
##212D9F	1.00	10.82	1.94	10.82
#FFFFFF	10.82	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A2

Deuteranopia (green-blind)

#00379D

Tritanopia (blue-blind)

#004D63

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #212d9f;
/* rgb */ color: rgb(33, 45, 159);
/* oklch */ color: oklch(37.6% 0.181 269.7);

Tailwind

colors: {
  custom: {
    50: '#7366bd',
    500: '#212d9f',
    950: '#000000',
  },
}

SCSS

$custom: #212d9f;
$custom-light: #7366bd;
$custom-dark: #000000;

JSON

{
  "hex": "#212d9f",
  "rgb": {
    "r": 33,
    "g": 45,
    "b": 159
  },
  "hsl": {
    "h": 234.286,
    "s": 65.625,
    "l": 37.647
  },
  "oklch": {
    "l": 0.37614,
    "c": 0.18114,
    "h": 269.7
  },
  "luminance": 0.04703
}

Semantic roles & 50–950 ramp

primary

#212D9F

secondary

#C2B85A

accent

#D83FE9

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #212D9F

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

Preview Lab → · Contrast checker → · Palette generator →