#21186D#21186D

#21186D is a dark, vivid blue. Relative luminance 0.021; OKLCH L 28.9% C 0.139 H 278.0°. Best body text is #FFFFFF at 14.83:1 contrast (WCAG AA passes).

Color values

HEX	#21186D
RGB	rgb(33, 24, 109)
HSL	hsl(246, 64%, 26%)
HSV	hsv(246, 78%, 43%)
CMYK	cmyk(69.7%, 78%, 0%, 57.3%)
CIE-LAB	lab(15.90, 32.14, -47.53)
CIE-LCH	lch(15.90, 57.38, 304.07°)
OKLab	oklab(28.9% 0.0193 -0.1373)
OKLCH	oklch(28.9% 0.139 278)
XYZ	xyz(3.7133, 2.0804, 14.6709)
Luminance	0.0208 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21186D #646D18

analogous

#18396D #21186D #4B186D

triadic

#21186D #6D2118 #186D21

tetradic

#21186D #6D1839 #646D18 #186D4B

square

#21186D #6D1839 #646D18 #186D4B

split-complementary

#21186D #6D4B18 #396D18

monochromatic

#080619 #120D3B #21186D #30239F #402ED1

Accessibility & contrast

On white

14.83

#21186D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#21186D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21186D

14.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21186D	#FFFFFF	#000000	##FFFFFF
##21186D	1.00	14.83	1.42	14.83
#FFFFFF	14.83	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B6F

Deuteranopia (green-blind)

#00246B

Tritanopia (blue-blind)

#003041

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #21186d;
/* rgb */ color: rgb(33, 24, 109);
/* oklch */ color: oklch(28.9% 0.139 278.0);

Tailwind

colors: {
  custom: {
    50: '#685698',
    500: '#21186d',
    950: '#000000',
  },
}

SCSS

$custom: #21186d;
$custom-light: #685698;
$custom-dark: #000000;

JSON

{
  "hex": "#21186d",
  "rgb": {
    "r": 33,
    "g": 24,
    "b": 109
  },
  "hsl": {
    "h": 246.353,
    "s": 63.91,
    "l": 26.078
  },
  "oklch": {
    "l": 0.289,
    "c": 0.13861,
    "h": 278
  },
  "luminance": 0.02081
}

Semantic roles & 50–950 ramp

primary

#21186D

secondary

#98A33E

accent

#E741D5

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #21186D

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

Preview Lab → · Contrast checker → · Palette generator →