#212D9E#212D9E

#212D9E is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.5% C 0.180 H 269.8°. Best body text is #FFFFFF at 10.86:1 contrast (WCAG AA passes).

Color values

HEX	#212D9E
RGB	rgb(33, 45, 158)
HSL	hsl(234, 65%, 37%)
HSV	hsv(234, 79%, 62%)
CMYK	cmyk(79.1%, 71.5%, 0%, 38%)
CIE-LAB	lab(25.77, 36.65, -62.11)
CIE-LCH	lch(25.77, 72.11, 300.54°)
OKLab	oklab(37.51% -0.0007 -0.1799)
OKLCH	oklch(37.51% 0.18 269.8)
XYZ	xyz(7.7350, 4.6679, 32.8344)
Luminance	0.0467 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#212D9E #9E9221

analogous

#216C9E #212D9E #54219E

triadic

#212D9E #9E212D #2D9E21

tetradic

#212D9E #9E216C #9E9221 #219E54

square

#212D9E #9E216C #9E9221 #219E54

split-complementary

#212D9E #9E5421 #6C9E21

monochromatic

#0C1039 #161F6B #212D9E #2C3BD1 #5C69DD

Accessibility & contrast

On white

10.86

#212D9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#212D9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #212D9E

10.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##212D9E	#FFFFFF	#000000	##FFFFFF
##212D9E	1.00	10.86	1.93	10.86
#FFFFFF	10.86	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A1

Deuteranopia (green-blind)

#00379C

Tritanopia (blue-blind)

#004D62

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #212d9e;
/* rgb */ color: rgb(33, 45, 158);
/* oklch */ color: oklch(37.5% 0.180 269.8);

Tailwind

colors: {
  custom: {
    50: '#7366bc',
    500: '#212d9e',
    950: '#000000',
  },
}

SCSS

$custom: #212d9e;
$custom-light: #7366bc;
$custom-dark: #000000;

JSON

{
  "hex": "#212d9e",
  "rgb": {
    "r": 33,
    "g": 45,
    "b": 158
  },
  "hsl": {
    "h": 234.24,
    "s": 65.445,
    "l": 37.451
  },
  "oklch": {
    "l": 0.3751,
    "c": 0.17986,
    "h": 269.8
  },
  "luminance": 0.04669
}

Semantic roles & 50–950 ramp

primary

#212D9E

secondary

#C1B759

accent

#D83FE8

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #212D9E

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

Preview Lab → · Contrast checker → · Palette generator →