#21516A#21516A

#21516A is a dark, moderate cyan. Relative luminance 0.072; OKLCH L 41.4% C 0.066 H 234.3°. Best body text is #FFFFFF at 8.57:1 contrast (WCAG AA passes).

Color values

HEX	#21516A
RGB	rgb(33, 81, 106)
HSL	hsl(201, 53%, 27%)
HSV	hsv(201, 69%, 42%)
CMYK	cmyk(68.9%, 23.6%, 0%, 58.4%)
CIE-LAB	lab(32.37, -7.52, -19.23)
CIE-LCH	lch(32.37, 20.65, 248.63°)
OKLab	oklab(41.37% -0.0387 -0.0539)
OKLCH	oklch(41.37% 0.066 234.3)
XYZ	xyz(6.1701, 7.2482, 14.7067)
Luminance	0.0725 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21516A #6A3A21

analogous

#216A5F #21516A #212D6A

triadic

#21516A #6A2151 #516A21

tetradic

#21516A #5F216A #6A3A21 #2D6A21

square

#21516A #5F216A #6A3A21 #2D6A21

split-complementary

#21516A #6A212D #6A5F21

monochromatic

#071217 #122D3B #21516A #307599 #4197C4

Accessibility & contrast

On white

8.57

#21516A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#21516A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21516A

8.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21516A	#FFFFFF	#000000	##FFFFFF
##21516A	1.00	8.57	2.45	8.57
#FFFFFF	8.57	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#45506B

Deuteranopia (green-blind)

#3B496A

Tritanopia (blue-blind)

#005859

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #21516a;
/* rgb */ color: rgb(33, 81, 106);
/* oklch */ color: oklch(41.4% 0.066 234.3);

Tailwind

colors: {
  custom: {
    50: '#658194',
    500: '#21516a',
    950: '#000000',
  },
}

SCSS

$custom: #21516a;
$custom-light: #658194;
$custom-dark: #000000;

JSON

{
  "hex": "#21516a",
  "rgb": {
    "r": 33,
    "g": 81,
    "b": 106
  },
  "hsl": {
    "h": 200.548,
    "s": 52.518,
    "l": 27.255
  },
  "oklch": {
    "l": 0.41365,
    "c": 0.06636,
    "h": 234.3
  },
  "luminance": 0.07249
}

Semantic roles & 50–950 ramp

primary

#21516A

secondary

#9E6649

accent

#7D4CDC

background

#F6F7F9

surface

#EBEEF1

border

#C6C9CB

text

#060A0D

muted

#7A7C7E

Preview Lab

Preview with #21516A

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

Preview Lab → · Contrast checker → · Palette generator →