#212F71#212F71

#212F71 is a dark, moderate blue. Relative luminance 0.035; OKLCH L 33.6% C 0.115 H 270.0°. Best body text is #FFFFFF at 12.28:1 contrast (WCAG AA passes).

Color values

HEX	#212F71
RGB	rgb(33, 47, 113)
HSL	hsl(230, 55%, 29%)
HSV	hsv(230, 71%, 44%)
CMYK	cmyk(70.8%, 58.4%, 0%, 55.7%)
CIE-LAB	lab(22.12, 18.22, -39.95)
CIE-LCH	lch(22.12, 43.91, 294.51°)
OKLab	oklab(33.55% 0.0001 -0.115)
OKLCH	oklch(33.55% 0.115 270)
XYZ	xyz(4.6233, 3.5482, 16.0608)
Luminance	0.0355 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#212F71 #716321

analogous

#215771 #212F71 #3B2171

triadic

#212F71 #71212F #2F7121

tetradic

#212F71 #712157 #716321 #21713B

square

#212F71 #712157 #716321 #21713B

split-complementary

#212F71 #713B21 #577121

monochromatic

#070A18 #131B42 #212F71 #2F43A0 #445BC8

Accessibility & contrast

On white

12.28

#212F71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#212F71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #212F71

12.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##212F71	#FFFFFF	#000000	##FFFFFF
##212F71	1.00	12.28	1.71	12.28
#FFFFFF	12.28	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003973

Deuteranopia (green-blind)

#003170

Tritanopia (blue-blind)

#003F4B

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #212f71;
/* rgb */ color: rgb(33, 47, 113);
/* oklch */ color: oklch(33.6% 0.115 270.0);

Tailwind

colors: {
  custom: {
    50: '#67679a',
    500: '#212f71',
    950: '#000000',
  },
}

SCSS

$custom: #212f71;
$custom-light: #67679a;
$custom-dark: #000000;

JSON

{
  "hex": "#212f71",
  "rgb": {
    "r": 33,
    "g": 47,
    "b": 113
  },
  "hsl": {
    "h": 229.5,
    "s": 54.795,
    "l": 28.627
  },
  "oklch": {
    "l": 0.33554,
    "c": 0.11496,
    "h": 270
  },
  "luminance": 0.03549
}

Semantic roles & 50–950 ramp

primary

#212F71

secondary

#A59549

accent

#C44ADE

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #212F71

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

Preview Lab → · Contrast checker → · Palette generator →