#21545D#21545D

#21545D is a dark, muted teal. Relative luminance 0.075; OKLCH L 41.5% C 0.056 H 210.9°. Best body text is #FFFFFF at 8.43:1 contrast (WCAG AA passes).

Color values

HEX	#21545D
RGB	rgb(33, 84, 93)
HSL	hsl(189, 48%, 25%)
HSV	hsv(189, 65%, 36%)
CMYK	cmyk(64.5%, 9.7%, 0%, 63.5%)
CIE-LAB	lab(32.82, -13.89, -10.34)
CIE-LCH	lch(32.82, 17.31, 216.67°)
OKLab	oklab(41.54% -0.0479 -0.0286)
OKLCH	oklch(41.54% 0.056 210.9)
XYZ	xyz(5.7725, 7.4537, 11.4883)
Luminance	0.0745 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21545D #5D2A21

analogous

#215D48 #21545D #21365D

triadic

#21545D #5D2154 #545D21

tetradic

#21545D #48215D #5D2A21 #365D21

square

#21545D #48215D #5D2A21 #365D21

split-complementary

#21545D #5D2136 #5D4821

monochromatic

#081417 #112B30 #21545D #317D8A #41A6B7

Accessibility & contrast

On white

8.43

#21545D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#21545D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21545D

8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21545D	#FFFFFF	#000000	##FFFFFF
##21545D	1.00	8.43	2.49	8.43
#FFFFFF	8.43	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C515E

Deuteranopia (green-blind)

#434A5D

Tritanopia (blue-blind)

#005857

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #21545d;
/* rgb */ color: rgb(33, 84, 93);
/* oklch */ color: oklch(41.5% 0.056 210.9);

Tailwind

colors: {
  custom: {
    50: '#64848a',
    500: '#21545d',
    950: '#000000',
  },
}

SCSS

$custom: #21545d;
$custom-light: #64848a;
$custom-dark: #000000;

JSON

{
  "hex": "#21545d",
  "rgb": {
    "r": 33,
    "g": 84,
    "b": 93
  },
  "hsl": {
    "h": 189,
    "s": 47.619,
    "l": 24.706
  },
  "oklch": {
    "l": 0.41544,
    "c": 0.05579,
    "h": 210.9
  },
  "luminance": 0.07454
}

Semantic roles & 50–950 ramp

primary

#21545D

secondary

#915349

accent

#6551D7

background

#F6F8F8

surface

#EBEFF0

border

#C6CACB

text

#060B0B

muted

#7A7C7C

Preview Lab

Preview with #21545D

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

Preview Lab → · Contrast checker → · Palette generator →