#212F4E#212F4E

#212F4E is a dark, muted blue. Relative luminance 0.029; OKLCH L 30.9% C 0.059 H 264.7°. Best body text is #FFFFFF at 13.28:1 contrast (WCAG AA passes).

Color values

HEX	#212F4E
RGB	rgb(33, 47, 78)
HSL	hsl(221, 41%, 22%)
HSV	hsv(221, 58%, 31%)
CMYK	cmyk(57.7%, 39.7%, 0%, 69.4%)
CIE-LAB	lab(19.66, 4.61, -20.89)
CIE-LCH	lch(19.66, 21.39, 282.45°)
OKLab	oklab(30.9% -0.0054 -0.059)
OKLCH	oklch(30.9% 0.059 264.7)
XYZ	xyz(3.0184, 2.9062, 7.6081)
Luminance	0.0291 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#212F4E #4E4021

analogous

#21464E #212F4E #2A214E

triadic

#212F4E #4E212F #2F4E21

tetradic

#212F4E #4E2146 #4E4021 #214E2A

square

#212F4E #4E2146 #4E4021 #214E2A

split-complementary

#212F4E #4E2A21 #464E21

monochromatic

#090D16 #0F1523 #212F4E #334979 #4563A4

Accessibility & contrast

On white

13.28

#212F4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#212F4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #212F4E

13.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##212F4E	#FFFFFF	#000000	##FFFFFF
##212F4E	1.00	13.28	1.58	13.28
#FFFFFF	13.28	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23324F

Deuteranopia (green-blind)

#1E2E4D

Tritanopia (blue-blind)

#0B363A

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #212f4e;
/* rgb */ color: rgb(33, 47, 78);
/* oklch */ color: oklch(30.9% 0.059 264.7);

Tailwind

colors: {
  custom: {
    50: '#60677f',
    500: '#212f4e',
    950: '#000000',
  },
}

SCSS

$custom: #212f4e;
$custom-light: #60677f;
$custom-dark: #000000;

JSON

{
  "hex": "#212f4e",
  "rgb": {
    "r": 33,
    "g": 47,
    "b": 78
  },
  "hsl": {
    "h": 221.333,
    "s": 40.541,
    "l": 21.765
  },
  "oklch": {
    "l": 0.30897,
    "c": 0.05923,
    "h": 264.7
  },
  "luminance": 0.02906
}

Semantic roles & 50–950 ramp

primary

#212F4E

secondary

#827049

accent

#AB57D0

background

#F5F6F7

surface

#EAEBEE

border

#C6C6C9

text

#05060A

muted

#797A7C

Preview Lab

Preview with #212F4E

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

Preview Lab → · Contrast checker → · Palette generator →