#21535B#21535B

#21535B is a dark, muted teal. Relative luminance 0.073; OKLCH L 41.2% C 0.055 H 209.5°. Best body text is #FFFFFF at 8.56:1 contrast (WCAG AA passes).

Color values

HEX	#21535B
RGB	rgb(33, 83, 91)
HSL	hsl(188, 47%, 24%)
HSV	hsv(188, 64%, 36%)
CMYK	cmyk(63.7%, 8.8%, 0%, 64.3%)
CIE-LAB	lab(32.40, -13.98, -9.70)
CIE-LCH	lch(32.40, 17.01, 214.77°)
OKLab	oklab(41.18% -0.0476 -0.0269)
OKLCH	oklch(41.18% 0.055 209.5)
XYZ	xyz(5.6080, 7.2646, 11.0022)
Luminance	0.0727 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21535B #5B2921

analogous

#215B46 #21535B #21365B

triadic

#21535B #5B2153 #535B21

tetradic

#21535B #46215B #5B2921 #365B21

square

#21535B #46215B #5B2921 #365B21

split-complementary

#21535B #5B2136 #5B4621

monochromatic

#081416 #112A2E #21535B #317C88 #42A5B5

Accessibility & contrast

On white

8.56

#21535B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#21535B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21535B

8.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21535B	#FFFFFF	#000000	##FFFFFF
##21535B	1.00	8.56	2.45	8.56
#FFFFFF	8.56	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C505C

Deuteranopia (green-blind)

#43495B

Tritanopia (blue-blind)

#005755

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #21535b;
/* rgb */ color: rgb(33, 83, 91);
/* oklch */ color: oklch(41.2% 0.055 209.5);

Tailwind

colors: {
  custom: {
    50: '#638389',
    500: '#21535b',
    950: '#000000',
  },
}

SCSS

$custom: #21535b;
$custom-light: #638389;
$custom-dark: #000000;

JSON

{
  "hex": "#21535b",
  "rgb": {
    "r": 33,
    "g": 83,
    "b": 91
  },
  "hsl": {
    "h": 188.276,
    "s": 46.774,
    "l": 24.314
  },
  "oklch": {
    "l": 0.41184,
    "c": 0.05464,
    "h": 209.5
  },
  "luminance": 0.07265
}

Semantic roles & 50–950 ramp

primary

#21535B

secondary

#8F5249

accent

#6451D6

background

#F6F8F8

surface

#EBEFF0

border

#C6CACB

text

#060A0B

muted

#7A7C7C

Preview Lab

Preview with #21535B

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

Preview Lab → · Contrast checker → · Palette generator →