#212D9B#212D9B

#212D9B is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.2% C 0.176 H 269.9°. Best body text is #FFFFFF at 10.98:1 contrast (WCAG AA passes).

Color values

HEX	#212D9B
RGB	rgb(33, 45, 155)
HSL	hsl(234, 65%, 37%)
HSV	hsv(234, 79%, 61%)
CMYK	cmyk(78.7%, 71%, 0%, 39.2%)
CIE-LAB	lab(25.46, 35.56, -60.78)
CIE-LCH	lch(25.46, 70.42, 300.33°)
OKLab	oklab(37.2% -0.0004 -0.176)
OKLCH	oklch(37.2% 0.176 269.9)
XYZ	xyz(7.4800, 4.5658, 31.4911)
Luminance	0.0457 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#212D9B #9B8F21

analogous

#216A9B #212D9B #52219B

triadic

#212D9B #9B212D #2D9B21

tetradic

#212D9B #9B216A #9B8F21 #219B52

square

#212D9B #9B216A #9B8F21 #219B52

split-complementary

#212D9B #9B5221 #6A9B21

monochromatic

#0C1036 #161E69 #212D9B #2C3CCD #5A67DC

Accessibility & contrast

On white

10.98

#212D9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#212D9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #212D9B

10.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##212D9B	#FFFFFF	#000000	##FFFFFF
##212D9B	1.00	10.98	1.91	10.98
#FFFFFF	10.98	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00429E

Deuteranopia (green-blind)

#003699

Tritanopia (blue-blind)

#004C60

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #212d9b;
/* rgb */ color: rgb(33, 45, 155);
/* oklch */ color: oklch(37.2% 0.176 269.9);

Tailwind

colors: {
  custom: {
    50: '#7266ba',
    500: '#212d9b',
    950: '#000000',
  },
}

SCSS

$custom: #212d9b;
$custom-light: #7266ba;
$custom-dark: #000000;

JSON

{
  "hex": "#212d9b",
  "rgb": {
    "r": 33,
    "g": 45,
    "b": 155
  },
  "hsl": {
    "h": 234.098,
    "s": 64.894,
    "l": 36.863
  },
  "oklch": {
    "l": 0.37196,
    "c": 0.17599,
    "h": 269.9
  },
  "luminance": 0.04567
}

Semantic roles & 50–950 ramp

primary

#212D9B

secondary

#C0B658

accent

#D740E8

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #212D9B

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

Preview Lab → · Contrast checker → · Palette generator →