#21406C#21406C

#21406C is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.1% C 0.085 H 257.4°. Best body text is #FFFFFF at 10.42:1 contrast (WCAG AA passes).

Color values

HEX	#21406C
RGB	rgb(33, 64, 108)
HSL	hsl(215, 53%, 28%)
HSV	hsv(215, 69%, 42%)
CMYK	cmyk(69.4%, 40.7%, 0%, 57.6%)
CIE-LAB	lab(26.94, 4.32, -29.01)
CIE-LCH	lch(26.94, 29.33, 278.47°)
OKLab	oklab(37.13% -0.0184 -0.0825)
OKLCH	oklch(37.13% 0.085 257.4)
XYZ	xyz(5.1664, 5.0723, 14.8912)
Luminance	0.0507 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21406C #6C4D21

analogous

#21656C #21406C #28216C

triadic

#21406C #6C2140 #406C21

tetradic

#21406C #6C2165 #6C4D21 #216C28

square

#21406C #6C2165 #6C4D21 #216C28

split-complementary

#21406C #6C2821 #656C21

monochromatic

#070E17 #13243D #21406C #2F5C9B #4278C5

Accessibility & contrast

On white

10.42

#21406C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#21406C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21406C

10.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21406C	#FFFFFF	#000000	##FFFFFF
##21406C	1.00	10.42	2.01	10.42
#FFFFFF	10.42	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C436E

Deuteranopia (green-blind)

#213C6B

Tritanopia (blue-blind)

#004A50

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #21406c;
/* rgb */ color: rgb(33, 64, 108);
/* oklch */ color: oklch(37.1% 0.085 257.4);

Tailwind

colors: {
  custom: {
    50: '#657496',
    500: '#21406c',
    950: '#000000',
  },
}

SCSS

$custom: #21406c;
$custom-light: #657496;
$custom-dark: #000000;

JSON

{
  "hex": "#21406c",
  "rgb": {
    "r": 33,
    "g": 64,
    "b": 108
  },
  "hsl": {
    "h": 215.2,
    "s": 53.191,
    "l": 27.647
  },
  "oklch": {
    "l": 0.37129,
    "c": 0.08456,
    "h": 257.4
  },
  "luminance": 0.05073
}

Semantic roles & 50–950 ramp

primary

#21406C

secondary

#A07C49

accent

#A04BDD

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080D

muted

#7A7B7E

Preview Lab

Preview with #21406C

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

Preview Lab → · Contrast checker → · Palette generator →