#212AA4#212AA4

#212AA4 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.7% C 0.191 H 269.9°. Best body text is #FFFFFF at 10.87:1 contrast (WCAG AA passes).

Color values

HEX	#212AA4
RGB	rgb(33, 42, 164)
HSL	hsl(236, 66%, 39%)
HSV	hsv(236, 80%, 64%)
CMYK	cmyk(79.9%, 74.4%, 0%, 35.7%)
CIE-LAB	lab(25.74, 40.61, -65.80)
CIE-LCH	lch(25.74, 77.32, 301.68°)
OKLab	oklab(37.68% -0.0002 -0.1906)
OKLCH	oklch(37.68% 0.191 269.9)
XYZ	xyz(8.1537, 4.6587, 35.5842)
Luminance	0.0466 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#212AA4 #A49B21

analogous

#216BA4 #212AA4 #5921A4

triadic

#212AA4 #A4212A #2AA421

tetradic

#212AA4 #A4216B #A49B21 #21A459

square

#212AA4 #A4216B #A49B21 #21A459

split-complementary

#212AA4 #A45921 #6BA421

monochromatic

#0C103E #171D71 #212AA4 #2D39D5 #6069DF

Accessibility & contrast

On white

10.87

#212AA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#212AA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #212AA4

10.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##212AA4	#FFFFFF	#000000	##FFFFFF
##212AA4	1.00	10.87	1.93	10.87
#FFFFFF	10.87	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A8

Deuteranopia (green-blind)

#0036A2

Tritanopia (blue-blind)

#004D65

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #212aa4;
/* rgb */ color: rgb(33, 42, 164);
/* oklch */ color: oklch(37.7% 0.191 269.9);

Tailwind

colors: {
  custom: {
    50: '#7565c0',
    500: '#212aa4',
    950: '#000000',
  },
}

SCSS

$custom: #212aa4;
$custom-light: #7565c0;
$custom-dark: #000000;

JSON

{
  "hex": "#212aa4",
  "rgb": {
    "r": 33,
    "g": 42,
    "b": 164
  },
  "hsl": {
    "h": 235.878,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.37678,
    "c": 0.19059,
    "h": 269.9
  },
  "luminance": 0.0466
}

Semantic roles & 50–950 ramp

primary

#212AA4

secondary

#C4BD5D

accent

#DE3EE9

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #212AA4

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

Preview Lab → · Contrast checker → · Palette generator →