#21396F#21396F

#21396F is a dark, moderate blue. Relative luminance 0.044; OKLCH L 35.6% C 0.098 H 264.1°. Best body text is #FFFFFF at 11.17:1 contrast (WCAG AA passes).

Color values

HEX	#21396F
RGB	rgb(33, 57, 111)
HSL	hsl(222, 54%, 28%)
HSV	hsv(222, 70%, 44%)
CMYK	cmyk(70.3%, 48.6%, 0%, 56.5%)
CIE-LAB	lab(24.94, 10.35, -34.12)
CIE-LCH	lch(24.94, 35.65, 286.88°)
OKLab	oklab(35.65% -0.0102 -0.0976)
OKLCH	oklch(35.65% 0.098 264.1)
XYZ	xyz(4.9586, 4.3968, 15.6232)
Luminance	0.0440 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21396F #6F5721

analogous

#21606F #21396F #30216F

triadic

#21396F #6F2139 #396F21

tetradic

#21396F #6F2160 #6F5721 #216F30

square

#21396F #6F2160 #6F5721 #216F30

split-complementary

#21396F #6F3021 #606F21

monochromatic

#070C18 #132140 #21396F #2F519E #436CC7

Accessibility & contrast

On white

11.17

#21396F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#21396F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21396F

11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21396F	#FFFFFF	#000000	##FFFFFF
##21396F	1.00	11.17	1.88	11.17
#FFFFFF	11.17	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E3F71

Deuteranopia (green-blind)

#0E386E

Tritanopia (blue-blind)

#00454E

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #21396f;
/* rgb */ color: rgb(33, 57, 111);
/* oklch */ color: oklch(35.6% 0.098 264.1);

Tailwind

colors: {
  custom: {
    50: '#666e99',
    500: '#21396f',
    950: '#000000',
  },
}

SCSS

$custom: #21396f;
$custom-light: #666e99;
$custom-dark: #000000;

JSON

{
  "hex": "#21396f",
  "rgb": {
    "r": 33,
    "g": 57,
    "b": 111
  },
  "hsl": {
    "h": 221.538,
    "s": 54.167,
    "l": 28.235
  },
  "oklch": {
    "l": 0.35648,
    "c": 0.09815,
    "h": 264.1
  },
  "luminance": 0.04397
}

Semantic roles & 50–950 ramp

primary

#21396F

secondary

#A38749

accent

#B04ADE

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #21396F

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

Preview Lab → · Contrast checker → · Palette generator →