#212C9C#212C9C

#212C9C is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.1% C 0.178 H 270.0°. Best body text is #FFFFFF at 11.02:1 contrast (WCAG AA passes).

Color values

HEX	#212C9C
RGB	rgb(33, 44, 156)
HSL	hsl(235, 65%, 37%)
HSV	hsv(235, 79%, 61%)
CMYK	cmyk(78.8%, 71.8%, 0%, 38.8%)
CIE-LAB	lab(25.33, 36.55, -61.60)
CIE-LCH	lch(25.33, 71.63, 300.68°)
OKLab	oklab(37.14% 0 -0.1784)
OKLCH	oklch(37.14% 0.178 270)
XYZ	xyz(7.5266, 4.5242, 31.9226)
Luminance	0.0452 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#212C9C #9C9121

analogous

#216A9C #212C9C #54219C

triadic

#212C9C #9C212C #2C9C21

tetradic

#212C9C #9C216A #9C9121 #219C54

square

#212C9C #9C216A #9C9121 #219C54

split-complementary

#212C9C #9C5421 #6A9C21

monochromatic

#0C1037 #161E69 #212C9C #2C3ACF #5B67DC

Accessibility & contrast

On white

11.02

#212C9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#212C9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #212C9C

11.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##212C9C	#FFFFFF	#000000	##FFFFFF
##212C9C	1.00	11.02	1.91	11.02
#FFFFFF	11.02	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00429F

Deuteranopia (green-blind)

#00369A

Tritanopia (blue-blind)

#004C61

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #212c9c;
/* rgb */ color: rgb(33, 44, 156);
/* oklch */ color: oklch(37.1% 0.178 270.0);

Tailwind

colors: {
  custom: {
    50: '#7266ba',
    500: '#212c9c',
    950: '#000000',
  },
}

SCSS

$custom: #212c9c;
$custom-light: #7266ba;
$custom-dark: #000000;

JSON

{
  "hex": "#212c9c",
  "rgb": {
    "r": 33,
    "g": 44,
    "b": 156
  },
  "hsl": {
    "h": 234.634,
    "s": 65.079,
    "l": 37.059
  },
  "oklch": {
    "l": 0.37136,
    "c": 0.17838,
    "h": 270
  },
  "luminance": 0.04525
}

Semantic roles & 50–950 ramp

primary

#212C9C

secondary

#C1B758

accent

#D940E8

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #212C9C

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

Preview Lab → · Contrast checker → · Palette generator →