#212FA8#212FA8

#212FA8 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.9% C 0.190 H 269.2°. Best body text is #FFFFFF at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#212FA8
RGB	rgb(33, 47, 168)
HSL	hsl(234, 67%, 39%)
HSV	hsv(234, 80%, 66%)
CMYK	cmyk(80.4%, 72%, 0%, 34.1%)
CIE-LAB	lab(27.25, 39.00, -65.72)
CIE-LCH	lch(27.25, 76.42, 300.68°)
OKLab	oklab(38.89% -0.0028 -0.1904)
OKLCH	oklch(38.89% 0.19 269.2)
XYZ	xyz(8.7092, 5.1825, 37.5795)
Luminance	0.0518 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#212FA8 #A89A21

analogous

#2173A8 #212FA8 #5721A8

triadic

#212FA8 #A8212F #2FA821

tetradic

#212FA8 #A82173 #A89A21 #21A857

square

#212FA8 #A82173 #A89A21 #21A857

split-complementary

#212FA8 #A85721 #73A821

monochromatic

#0D1242 #172175 #212FA8 #3041D6 #6370E0

Accessibility & contrast

On white

10.31

#212FA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#212FA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #212FA8

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##212FA8	#FFFFFF	#000000	##FFFFFF
##212FA8	1.00	10.31	2.04	10.31
#FFFFFF	10.31	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047AC

Deuteranopia (green-blind)

#003AA6

Tritanopia (blue-blind)

#005168

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #212fa8;
/* rgb */ color: rgb(33, 47, 168);
/* oklch */ color: oklch(38.9% 0.190 269.2);

Tailwind

colors: {
  custom: {
    50: '#7568c3',
    500: '#212fa8',
    950: '#000000',
  },
}

SCSS

$custom: #212fa8;
$custom-light: #7568c3;
$custom-dark: #000000;

JSON

{
  "hex": "#212fa8",
  "rgb": {
    "r": 33,
    "g": 47,
    "b": 168
  },
  "hsl": {
    "h": 233.778,
    "s": 67.164,
    "l": 39.412
  },
  "oklch": {
    "l": 0.38885,
    "c": 0.19041,
    "h": 269.2
  },
  "luminance": 0.05184
}

Semantic roles & 50–950 ramp

primary

#212FA8

secondary

#C5BB5F

accent

#D83EEA

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0613

muted

#7C7A82

Preview Lab

Preview with #212FA8

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

Preview Lab → · Contrast checker → · Palette generator →