#212A7F#212A7F

#212A7F is a dark, vivid blue. Relative luminance 0.035; OKLCH L 33.8% C 0.142 H 271.6°. Best body text is #FFFFFF at 12.34:1 contrast (WCAG AA passes).

Color values

HEX	#212A7F
RGB	rgb(33, 42, 127)
HSL	hsl(234, 59%, 31%)
HSV	hsv(234, 74%, 50%)
CMYK	cmyk(74%, 66.9%, 0%, 50.2%)
CIE-LAB	lab(21.98, 27.11, -49.09)
CIE-LCH	lch(21.98, 56.08, 298.91°)
OKLab	oklab(33.84% 0.0041 -0.1418)
OKLCH	oklch(33.84% 0.142 271.6)
XYZ	xyz(5.2846, 3.5110, 20.4737)
Luminance	0.0351 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#212A7F #7F7621

analogous

#21597F #212A7F #47217F

triadic

#212A7F #7F212A #2A7F21

tetradic

#212A7F #7F2159 #7F7621 #217F47

square

#212A7F #7F2159 #7F7621 #217F47

split-complementary

#212A7F #7F4721 #597F21

monochromatic

#080A1E #141A4E #212A7F #2E3AB0 #4A57D0

Accessibility & contrast

On white

12.34

#212A7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#212A7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #212A7F

12.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##212A7F	#FFFFFF	#000000	##FFFFFF
##212A7F	1.00	12.34	1.70	12.34
#FFFFFF	12.34	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003982

Deuteranopia (green-blind)

#00307D

Tritanopia (blue-blind)

#004050

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #212a7f;
/* rgb */ color: rgb(33, 42, 127);
/* oklch */ color: oklch(33.8% 0.142 271.6);

Tailwind

colors: {
  custom: {
    50: '#6b63a5',
    500: '#212a7f',
    950: '#000000',
  },
}

SCSS

$custom: #212a7f;
$custom-light: #6b63a5;
$custom-dark: #000000;

JSON

{
  "hex": "#212a7f",
  "rgb": {
    "r": 33,
    "g": 42,
    "b": 127
  },
  "hsl": {
    "h": 234.255,
    "s": 58.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.33836,
    "c": 0.1419,
    "h": 271.6
  },
  "luminance": 0.03512
}

Semantic roles & 50–950 ramp

primary

#212A7F

secondary

#B2A84A

accent

#D346E2

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#08050F

muted

#7A797F

Preview Lab

Preview with #212A7F

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

Preview Lab → · Contrast checker → · Palette generator →