#212C9B#212C9B

#212C9B is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.0% C 0.177 H 270.0°. Best body text is #FFFFFF at 11.06:1 contrast (WCAG AA passes).

Color values

HEX	#212C9B
RGB	rgb(33, 44, 155)
HSL	hsl(235, 65%, 37%)
HSV	hsv(235, 79%, 61%)
CMYK	cmyk(78.7%, 71.6%, 0%, 39.2%)
CIE-LAB	lab(25.23, 36.19, -61.16)
CIE-LCH	lch(25.23, 71.06, 300.61°)
OKLab	oklab(37.03% 0.0001 -0.1771)
OKLCH	oklch(37.03% 0.177 270)
XYZ	xyz(7.4423, 4.4904, 31.4785)
Luminance	0.0449 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#212C9B #9B9021

analogous

#21699B #212C9B #53219B

triadic

#212C9B #9B212C #2C9B21

tetradic

#212C9B #9B2169 #9B9021 #219B53

square

#212C9B #9B2169 #9B9021 #219B53

split-complementary

#212C9B #9B5321 #699B21

monochromatic

#0C0F36 #161E69 #212C9B #2C3ACD #5A66DC

Accessibility & contrast

On white

11.06

#212C9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#212C9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #212C9B

11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##212C9B	#FFFFFF	#000000	##FFFFFF
##212C9B	1.00	11.06	1.90	11.06
#FFFFFF	11.06	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00429E

Deuteranopia (green-blind)

#003699

Tritanopia (blue-blind)

#004B60

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #212c9b;
/* rgb */ color: rgb(33, 44, 155);
/* oklch */ color: oklch(37.0% 0.177 270.0);

Tailwind

colors: {
  custom: {
    50: '#7266ba',
    500: '#212c9b',
    950: '#000000',
  },
}

SCSS

$custom: #212c9b;
$custom-light: #7266ba;
$custom-dark: #000000;

JSON

{
  "hex": "#212c9b",
  "rgb": {
    "r": 33,
    "g": 44,
    "b": 155
  },
  "hsl": {
    "h": 234.59,
    "s": 64.894,
    "l": 36.863
  },
  "oklch": {
    "l": 0.37031,
    "c": 0.17709,
    "h": 270
  },
  "luminance": 0.04491
}

Semantic roles & 50–950 ramp

primary

#212C9B

secondary

#C0B758

accent

#D940E8

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #212C9B

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

Preview Lab → · Contrast checker → · Palette generator →