#21406A#21406A

#21406A is a dark, moderate cyan. Relative luminance 0.050; OKLCH L 37.0% C 0.082 H 256.5°. Best body text is #FFFFFF at 10.47:1 contrast (WCAG AA passes).

Color values

HEX	#21406A
RGB	rgb(33, 64, 106)
HSL	hsl(215, 53%, 27%)
HSV	hsv(215, 69%, 42%)
CMYK	cmyk(68.9%, 39.6%, 0%, 58.4%)
CIE-LAB	lab(26.82, 3.54, -27.92)
CIE-LCH	lch(26.82, 28.14, 277.22°)
OKLab	oklab(37% -0.019 -0.0793)
OKLCH	oklch(37% 0.082 256.5)
XYZ	xyz(5.0612, 5.0302, 14.3371)
Luminance	0.0503 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21406A #6A4B21

analogous

#21646A #21406A #27216A

triadic

#21406A #6A2140 #406A21

tetradic

#21406A #6A2164 #6A4B21 #216A27

square

#21406A #6A2164 #6A4B21 #216A27

split-complementary

#21406A #6A2721 #646A21

monochromatic

#070E17 #12243B #21406A #305C99 #4179C4

Accessibility & contrast

On white

10.47

#21406A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#21406A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21406A

10.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21406A	#FFFFFF	#000000	##FFFFFF
##21406A	1.00	10.47	2.01	10.47
#FFFFFF	10.47	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D436C

Deuteranopia (green-blind)

#233C69

Tritanopia (blue-blind)

#004A50

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #21406a;
/* rgb */ color: rgb(33, 64, 106);
/* oklch */ color: oklch(37.0% 0.082 256.5);

Tailwind

colors: {
  custom: {
    50: '#657495',
    500: '#21406a',
    950: '#000000',
  },
}

SCSS

$custom: #21406a;
$custom-light: #657495;
$custom-dark: #000000;

JSON

{
  "hex": "#21406a",
  "rgb": {
    "r": 33,
    "g": 64,
    "b": 106
  },
  "hsl": {
    "h": 214.521,
    "s": 52.518,
    "l": 27.255
  },
  "oklch": {
    "l": 0.36997,
    "c": 0.08157,
    "h": 256.5
  },
  "luminance": 0.05031
}

Semantic roles & 50–950 ramp

primary

#21406A

secondary

#9E7A49

accent

#9F4CDC

background

#F6F7F9

surface

#EBEDF1

border

#C6C8CB

text

#06080D

muted

#7A7B7E

Preview Lab

Preview with #21406A

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

Preview Lab → · Contrast checker → · Palette generator →