#21297C#21297C

#21297C is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.4% C 0.139 H 272.1°. Best body text is #FFFFFF at 12.55:1 contrast (WCAG AA passes).

Color values

HEX	#21297C
RGB	rgb(33, 41, 124)
HSL	hsl(235, 58%, 31%)
HSV	hsv(235, 73%, 49%)
CMYK	cmyk(73.4%, 66.9%, 0%, 51.4%)
CIE-LAB	lab(21.45, 26.65, -48.07)
CIE-LCH	lch(21.45, 54.96, 299.00°)
OKLab	oklab(33.36% 0.005 -0.1389)
OKLCH	oklch(33.36% 0.139 272.1)
XYZ	xyz(5.0570, 3.3639, 19.4477)
Luminance	0.0336 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21297C #7C7421

analogous

#21567C #21297C #46217C

triadic

#21297C #7C2129 #297C21

tetradic

#21297C #7C2156 #7C7421 #217C46

square

#21297C #7C2156 #7C7421 #217C46

split-complementary

#21297C #7C4621 #567C21

monochromatic

#07091B #14194C #21297C #2E39AC #4955CF

Accessibility & contrast

On white

12.55

#21297C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#21297C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21297C

12.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21297C	#FFFFFF	#000000	##FFFFFF
##21297C	1.00	12.55	1.67	12.55
#FFFFFF	12.55	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00387F

Deuteranopia (green-blind)

#002F7A

Tritanopia (blue-blind)

#003F4E

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #21297c;
/* rgb */ color: rgb(33, 41, 124);
/* oklch */ color: oklch(33.4% 0.139 272.1);

Tailwind

colors: {
  custom: {
    50: '#6a63a3',
    500: '#21297c',
    950: '#000000',
  },
}

SCSS

$custom: #21297c;
$custom-light: #6a63a3;
$custom-dark: #000000;

JSON

{
  "hex": "#21297c",
  "rgb": {
    "r": 33,
    "g": 41,
    "b": 124
  },
  "hsl": {
    "h": 234.725,
    "s": 57.962,
    "l": 30.784
  },
  "oklch": {
    "l": 0.33355,
    "c": 0.13895,
    "h": 272.1
  },
  "luminance": 0.03364
}

Semantic roles & 50–950 ramp

primary

#21297C

secondary

#AFA64A

accent

#D447E1

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #21297C

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

Preview Lab → · Contrast checker → · Palette generator →