#21436D#21436D

#21436D is a dark, moderate cyan. Relative luminance 0.054; OKLCH L 37.9% C 0.082 H 254.9°. Best body text is #FFFFFF at 10.06:1 contrast (WCAG AA passes).

Color values

HEX	#21436D
RGB	rgb(33, 67, 109)
HSL	hsl(213, 54%, 28%)
HSV	hsv(213, 70%, 43%)
CMYK	cmyk(69.7%, 38.5%, 0%, 57.3%)
CIE-LAB	lab(27.96, 2.67, -28.03)
CIE-LCH	lch(27.96, 28.16, 275.45°)
OKLab	oklab(37.94% -0.0215 -0.0796)
OKLCH	oklch(37.94% 0.082 254.9)
XYZ	xyz(5.3937, 5.4412, 15.2310)
Luminance	0.0544 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21436D #6D4B21

analogous

#21696D #21436D #25216D

triadic

#21436D #6D2143 #436D21

tetradic

#21436D #6D2169 #6D4B21 #216D25

square

#21436D #6D2169 #6D4B21 #216D25

split-complementary

#21436D #6D2521 #696D21

monochromatic

#070E17 #13263E #21436D #2F609C #427DC6

Accessibility & contrast

On white

10.06

#21436D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#21436D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21436D

10.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21436D	#FFFFFF	#000000	##FFFFFF
##21436D	1.00	10.06	2.09	10.06
#FFFFFF	10.06	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#30466F

Deuteranopia (green-blind)

#263F6C

Tritanopia (blue-blind)

#004D52

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #21436d;
/* rgb */ color: rgb(33, 67, 109);
/* oklch */ color: oklch(37.9% 0.082 254.9);

Tailwind

colors: {
  custom: {
    50: '#657697',
    500: '#21436d',
    950: '#000000',
  },
}

SCSS

$custom: #21436d;
$custom-light: #657697;
$custom-dark: #000000;

JSON

{
  "hex": "#21436d",
  "rgb": {
    "r": 33,
    "g": 67,
    "b": 109
  },
  "hsl": {
    "h": 213.158,
    "s": 53.521,
    "l": 27.843
  },
  "oklch": {
    "l": 0.3794,
    "c": 0.08249,
    "h": 254.9
  },
  "luminance": 0.05442
}

Semantic roles & 50–950 ramp

primary

#21436D

secondary

#A17A49

accent

#9C4BDD

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080D

muted

#7A7B7E

Preview Lab

Preview with #21436D

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

Preview Lab → · Contrast checker → · Palette generator →