#21406F#21406F

#21406F is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.3% C 0.089 H 258.5°. Best body text is #FFFFFF at 10.36:1 contrast (WCAG AA passes).

Color values

HEX	#21406F
RGB	rgb(33, 64, 111)
HSL	hsl(216, 54%, 28%)
HSV	hsv(216, 70%, 44%)
CMYK	cmyk(70.3%, 42.3%, 0%, 56.5%)
CIE-LAB	lab(27.12, 5.49, -30.63)
CIE-LCH	lch(27.12, 31.12, 280.17°)
OKLab	oklab(37.33% -0.0177 -0.0873)
OKLCH	oklch(37.33% 0.089 258.5)
XYZ	xyz(5.3288, 5.1373, 15.7466)
Luminance	0.0514 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21406F #6F5021

analogous

#21676F #21406F #29216F

triadic

#21406F #6F2140 #406F21

tetradic

#21406F #6F2167 #6F5021 #216F29

square

#21406F #6F2167 #6F5021 #216F29

split-complementary

#21406F #6F2921 #676F21

monochromatic

#070E18 #132540 #21406F #2F5B9E #4378C7

Accessibility & contrast

On white

10.36

#21406F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#21406F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21406F

10.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21406F	#FFFFFF	#000000	##FFFFFF
##21406F	1.00	10.36	2.03	10.36
#FFFFFF	10.36	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B4471

Deuteranopia (green-blind)

#1F3D6E

Tritanopia (blue-blind)

#004B52

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #21406f;
/* rgb */ color: rgb(33, 64, 111);
/* oklch */ color: oklch(37.3% 0.089 258.5);

Tailwind

colors: {
  custom: {
    50: '#667498',
    500: '#21406f',
    950: '#000000',
  },
}

SCSS

$custom: #21406f;
$custom-light: #667498;
$custom-dark: #000000;

JSON

{
  "hex": "#21406f",
  "rgb": {
    "r": 33,
    "g": 64,
    "b": 111
  },
  "hsl": {
    "h": 216.154,
    "s": 54.167,
    "l": 28.235
  },
  "oklch": {
    "l": 0.3733,
    "c": 0.08906,
    "h": 258.5
  },
  "luminance": 0.05138
}

Semantic roles & 50–950 ramp

primary

#21406F

secondary

#A37F49

accent

#A34ADE

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #21406F

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

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