#212C8B#212C8B

#212C8B is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.4% C 0.156 H 270.7°. Best body text is #FFFFFF at 11.68:1 contrast (WCAG AA passes).

Color values

HEX	#212C8B
RGB	rgb(33, 44, 139)
HSL	hsl(234, 62%, 34%)
HSV	hsv(234, 76%, 55%)
CMYK	cmyk(76.3%, 68.3%, 0%, 45.5%)
CIE-LAB	lab(23.63, 30.30, -53.92)
CIE-LCH	lch(23.63, 61.85, 299.34°)
OKLab	oklab(35.39% 0.0018 -0.1559)
OKLCH	oklch(35.39% 0.156 270.7)
XYZ	xyz(6.1865, 3.9881, 24.8648)
Luminance	0.0399 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#212C8B #8B8021

analogous

#21618B #212C8B #4B218B

triadic

#212C8B #8B212C #2C8B21

tetradic

#212C8B #8B2161 #8B8021 #218B4B

square

#212C8B #8B2161 #8B8021 #218B4B

split-complementary

#212C8B #8B4B21 #618B21

monochromatic

#0A0D28 #151C5A #212C8B #2D3CBC #515FD6

Accessibility & contrast

On white

11.68

#212C8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#212C8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #212C8B

11.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##212C8B	#FFFFFF	#000000	##FFFFFF
##212C8B	1.00	11.68	1.80	11.68
#FFFFFF	11.68	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D8E

Deuteranopia (green-blind)

#003389

Tritanopia (blue-blind)

#004557

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #212c8b;
/* rgb */ color: rgb(33, 44, 139);
/* oklch */ color: oklch(35.4% 0.156 270.7);

Tailwind

colors: {
  custom: {
    50: '#6e65ae',
    500: '#212c8b',
    950: '#000000',
  },
}

SCSS

$custom: #212c8b;
$custom-light: #6e65ae;
$custom-dark: #000000;

JSON

{
  "hex": "#212c8b",
  "rgb": {
    "r": 33,
    "g": 44,
    "b": 139
  },
  "hsl": {
    "h": 233.774,
    "s": 61.628,
    "l": 33.725
  },
  "oklch": {
    "l": 0.3539,
    "c": 0.15596,
    "h": 270.7
  },
  "luminance": 0.03989
}

Semantic roles & 50–950 ramp

primary

#212C8B

secondary

#B9AE4F

accent

#D443E5

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080510

muted

#7B7A7F

Preview Lab

Preview with #212C8B

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

Preview Lab → · Contrast checker → · Palette generator →