#213F4E#213F4E

#213F4E is a dark, muted cyan. Relative luminance 0.044; OKLCH L 35.1% C 0.044 H 231.7°. Best body text is #FFFFFF at 11.14:1 contrast (WCAG AA passes).

Color values

HEX	#213F4E
RGB	rgb(33, 63, 78)
HSL	hsl(200, 41%, 22%)
HSV	hsv(200, 58%, 31%)
CMYK	cmyk(57.7%, 19.2%, 0%, 69.4%)
CIE-LAB	lab(25.04, -6.23, -12.52)
CIE-LCH	lch(25.04, 13.99, 243.54°)
OKLab	oklab(35.12% -0.0275 -0.0348)
OKLCH	oklch(35.12% 0.044 231.7)
XYZ	xyz(3.7793, 4.4281, 7.8618)
Luminance	0.0443 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#213F4E #4E3021

analogous

#214E47 #213F4E #21294E

triadic

#213F4E #4E213F #3F4E21

tetradic

#213F4E #47214E #4E3021 #294E21

square

#213F4E #47214E #4E3021 #294E21

split-complementary

#213F4E #4E2129 #4E4721

monochromatic

#091116 #0F1C23 #213F4E #336279 #4584A4

Accessibility & contrast

On white

11.14

#213F4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#213F4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #213F4E

11.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##213F4E	#FFFFFF	#000000	##FFFFFF
##213F4E	1.00	11.14	1.89	11.14
#FFFFFF	11.14	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383E4F

Deuteranopia (green-blind)

#31394E

Tritanopia (blue-blind)

#054344

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #213f4e;
/* rgb */ color: rgb(33, 63, 78);
/* oklch */ color: oklch(35.1% 0.044 231.7);

Tailwind

colors: {
  custom: {
    50: '#60747f',
    500: '#213f4e',
    950: '#000000',
  },
}

SCSS

$custom: #213f4e;
$custom-light: #60747f;
$custom-dark: #000000;

JSON

{
  "hex": "#213f4e",
  "rgb": {
    "r": 33,
    "g": 63,
    "b": 78
  },
  "hsl": {
    "h": 200,
    "s": 40.541,
    "l": 21.765
  },
  "oklch": {
    "l": 0.35119,
    "c": 0.04439,
    "h": 231.7
  },
  "luminance": 0.04428
}

Semantic roles & 50–950 ramp

primary

#213F4E

secondary

#825C49

accent

#8057D0

background

#F5F7F7

surface

#EAEDEE

border

#C6C8C9

text

#05080A

muted

#797B7C

Preview Lab

Preview with #213F4E

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

Preview Lab → · Contrast checker → · Palette generator →