#21436F#21436F

#21436F is a dark, moderate cyan. Relative luminance 0.055; OKLCH L 38.1% C 0.085 H 255.8°. Best body text is #FFFFFF at 10.01:1 contrast (WCAG AA passes).

Color values

HEX	#21436F
RGB	rgb(33, 67, 111)
HSL	hsl(214, 54%, 28%)
HSV	hsv(214, 70%, 44%)
CMYK	cmyk(70.3%, 39.6%, 0%, 56.5%)
CIE-LAB	lab(28.07, 3.45, -29.12)
CIE-LCH	lch(28.07, 29.32, 276.76°)
OKLab	oklab(38.07% -0.021 -0.0828)
OKLCH	oklch(38.07% 0.085 255.8)
XYZ	xyz(5.5026, 5.4848, 15.8045)
Luminance	0.0549 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21436F #6F4D21

analogous

#216A6F #21436F #26216F

triadic

#21436F #6F2143 #436F21

tetradic

#21436F #6F216A #6F4D21 #216F26

square

#21436F #6F216A #6F4D21 #216F26

split-complementary

#21436F #6F2621 #6A6F21

monochromatic

#070E18 #132740 #21436F #2F5F9E #437DC7

Accessibility & contrast

On white

10.01

#21436F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#21436F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21436F

10.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21436F	#FFFFFF	#000000	##FFFFFF
##21436F	1.00	10.01	2.10	10.01
#FFFFFF	10.01	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F4671

Deuteranopia (green-blind)

#243F6E

Tritanopia (blue-blind)

#004D53

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #21436f;
/* rgb */ color: rgb(33, 67, 111);
/* oklch */ color: oklch(38.1% 0.085 255.8);

Tailwind

colors: {
  custom: {
    50: '#667698',
    500: '#21436f',
    950: '#000000',
  },
}

SCSS

$custom: #21436f;
$custom-light: #667698;
$custom-dark: #000000;

JSON

{
  "hex": "#21436f",
  "rgb": {
    "r": 33,
    "g": 67,
    "b": 111
  },
  "hsl": {
    "h": 213.846,
    "s": 54.167,
    "l": 28.235
  },
  "oklch": {
    "l": 0.3807,
    "c": 0.08542,
    "h": 255.8
  },
  "luminance": 0.05485
}

Semantic roles & 50–950 ramp

primary

#21436F

secondary

#A37C49

accent

#9D4ADE

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #21436F

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

Preview Lab → · Contrast checker → · Palette generator →