#21555E#21555E

#21555E is a dark, muted teal. Relative luminance 0.076; OKLCH L 41.9% C 0.057 H 210.7°. Best body text is #FFFFFF at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#21555E
RGB	rgb(33, 85, 94)
HSL	hsl(189, 48%, 25%)
HSV	hsv(189, 65%, 37%)
CMYK	cmyk(64.9%, 9.6%, 0%, 63.1%)
CIE-LAB	lab(33.20, -14.13, -10.40)
CIE-LCH	lch(33.20, 17.54, 216.34°)
OKLab	oklab(41.86% -0.0486 -0.0288)
OKLCH	oklch(41.86% 0.057 210.7)
XYZ	xyz(5.8952, 7.6279, 11.7491)
Luminance	0.0763 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21555E #5E2A21

analogous

#215E48 #21555E #21375E

triadic

#21555E #5E2155 #555E21

tetradic

#21555E #48215E #5E2A21 #375E21

square

#21555E #48215E #5E2A21 #375E21

split-complementary

#21555E #5E2137 #5E4821

monochromatic

#081417 #112C31 #21555E #317E8B #41A7B9

Accessibility & contrast

On white

8.31

#21555E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#21555E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21555E

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21555E	#FFFFFF	#000000	##FFFFFF
##21555E	1.00	8.31	2.53	8.31
#FFFFFF	8.31	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D525F

Deuteranopia (green-blind)

#444B5E

Tritanopia (blue-blind)

#005958

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #21555e;
/* rgb */ color: rgb(33, 85, 94);
/* oklch */ color: oklch(41.9% 0.057 210.7);

Tailwind

colors: {
  custom: {
    50: '#64858b',
    500: '#21555e',
    950: '#000000',
  },
}

SCSS

$custom: #21555e;
$custom-light: #64858b;
$custom-dark: #000000;

JSON

{
  "hex": "#21555e",
  "rgb": {
    "r": 33,
    "g": 85,
    "b": 94
  },
  "hsl": {
    "h": 188.852,
    "s": 48.031,
    "l": 24.902
  },
  "oklch": {
    "l": 0.4186,
    "c": 0.05653,
    "h": 210.7
  },
  "luminance": 0.07628
}

Semantic roles & 50–950 ramp

primary

#21555E

secondary

#925349

accent

#6450D8

background

#F6F8F8

surface

#EBEFF0

border

#C6CACB

text

#060B0C

muted

#7A7C7D

Preview Lab

Preview with #21555E

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

Preview Lab → · Contrast checker → · Palette generator →