#21328F#21328F

#21328F is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.9% C 0.154 H 269.1°. Best body text is #FFFFFF at 10.95:1 contrast (WCAG AA passes).

Color values

HEX	#21328F
RGB	rgb(33, 50, 143)
HSL	hsl(231, 63%, 35%)
HSV	hsv(231, 77%, 56%)
CMYK	cmyk(76.9%, 65%, 0%, 43.9%)
CIE-LAB	lab(25.52, 27.81, -53.30)
CIE-LCH	lch(25.52, 60.11, 297.55°)
OKLab	oklab(36.89% -0.0023 -0.1541)
OKLCH	oklch(36.89% 0.154 269.1)
XYZ	xyz(6.7240, 4.5870, 26.5123)
Luminance	0.0459 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21328F #8F7E21

analogous

#21698F #21328F #47218F

triadic

#21328F #8F2132 #328F21

tetradic

#21328F #8F2169 #8F7E21 #218F47

square

#21328F #8F2169 #8F7E21 #218F47

split-complementary

#21328F #8F4721 #698F21

monochromatic

#0A0F2C #16215D #21328F #2C43C1 #5368D7

Accessibility & contrast

On white

10.95

#21328F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#21328F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21328F

10.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21328F	#FFFFFF	#000000	##FFFFFF
##21328F	1.00	10.95	1.92	10.95
#FFFFFF	10.95	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004292

Deuteranopia (green-blind)

#00378D

Tritanopia (blue-blind)

#004A5B

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #21328f;
/* rgb */ color: rgb(33, 50, 143);
/* oklch */ color: oklch(36.9% 0.154 269.1);

Tailwind

colors: {
  custom: {
    50: '#6e69b1',
    500: '#21328f',
    950: '#000000',
  },
}

SCSS

$custom: #21328f;
$custom-light: #6e69b1;
$custom-dark: #000000;

JSON

{
  "hex": "#21328f",
  "rgb": {
    "r": 33,
    "g": 50,
    "b": 143
  },
  "hsl": {
    "h": 230.727,
    "s": 62.5,
    "l": 34.51
  },
  "oklch": {
    "l": 0.3689,
    "c": 0.15412,
    "h": 269.1
  },
  "luminance": 0.04588
}

Semantic roles & 50–950 ramp

primary

#21328F

secondary

#BBAB51

accent

#CC42E6

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #21328F

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

Preview Lab → · Contrast checker → · Palette generator →