#21328B#21328B

#21328B is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.5% C 0.149 H 269.2°. Best body text is #FFFFFF at 11.09:1 contrast (WCAG AA passes).

Color values

HEX	#21328B
RGB	rgb(33, 50, 139)
HSL	hsl(230, 62%, 34%)
HSV	hsv(230, 76%, 55%)
CMYK	cmyk(76.3%, 64%, 0%, 45.5%)
CIE-LAB	lab(25.16, 26.27, -51.41)
CIE-LCH	lch(25.16, 57.73, 297.07°)
OKLab	oklab(36.51% -0.0022 -0.1486)
OKLCH	oklch(36.51% 0.149 269.2)
XYZ	xyz(6.4264, 4.4679, 24.9448)
Luminance	0.0447 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21328B #8B7A21

analogous

#21678B #21328B #45218B

triadic

#21328B #8B2132 #328B21

tetradic

#21328B #8B2167 #8B7A21 #218B45

square

#21328B #8B2167 #8B7A21 #218B45

split-complementary

#21328B #8B4521 #678B21

monochromatic

#0A0E28 #15205A #21328B #2D44BC #5166D6

Accessibility & contrast

On white

11.09

#21328B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#21328B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21328B

11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21328B	#FFFFFF	#000000	##FFFFFF
##21328B	1.00	11.09	1.89	11.09
#FFFFFF	11.09	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00418E

Deuteranopia (green-blind)

#003789

Tritanopia (blue-blind)

#004959

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #21328b;
/* rgb */ color: rgb(33, 50, 139);
/* oklch */ color: oklch(36.5% 0.149 269.2);

Tailwind

colors: {
  custom: {
    50: '#6d69ae',
    500: '#21328b',
    950: '#000000',
  },
}

SCSS

$custom: #21328b;
$custom-light: #6d69ae;
$custom-dark: #000000;

JSON

{
  "hex": "#21328b",
  "rgb": {
    "r": 33,
    "g": 50,
    "b": 139
  },
  "hsl": {
    "h": 230.377,
    "s": 61.628,
    "l": 33.725
  },
  "oklch": {
    "l": 0.36511,
    "c": 0.14859,
    "h": 269.2
  },
  "luminance": 0.04469
}

Semantic roles & 50–950 ramp

primary

#21328B

secondary

#B9A84F

accent

#CB43E5

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #21328B

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

Preview Lab → · Contrast checker → · Palette generator →