#21606D#21606D

#21606D is a mid, moderate cyan. Relative luminance 0.098; OKLCH L 45.5% C 0.066 H 213.9°. Best body text is #FFFFFF at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#21606D
RGB	rgb(33, 96, 109)
HSL	hsl(190, 54%, 28%)
HSV	hsv(190, 70%, 43%)
CMYK	cmyk(69.7%, 11.9%, 0%, 57.3%)
CIE-LAB	lab(37.47, -15.35, -13.26)
CIE-LCH	lch(37.47, 20.28, 220.83°)
OKLab	oklab(45.49% -0.0548 -0.0369)
OKLCH	oklch(45.49% 0.066 213.9)
XYZ	xyz(7.5692, 9.7924, 15.9562)
Luminance	0.0979 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21606D #6D2E21

analogous

#216D54 #21606D #213A6D

triadic

#21606D #6D2160 #606D21

tetradic

#21606D #54216D #6D2E21 #3A6D21

square

#21606D #54216D #6D2E21 #3A6D21

split-complementary

#21606D #6D213A #6D5421

monochromatic

#071517 #13373E #21606D #2F899C #42AFC6

Accessibility & contrast

On white

7.10

#21606D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#21606D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21606D

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21606D	#FFFFFF	#000000	##FFFFFF
##21606D	1.00	7.10	2.96	7.10
#FFFFFF	7.10	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565D6E

Deuteranopia (green-blind)

#4C556D

Tritanopia (blue-blind)

#006564

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #21606d;
/* rgb */ color: rgb(33, 96, 109);
/* oklch */ color: oklch(45.5% 0.066 213.9);

Tailwind

colors: {
  custom: {
    50: '#678d96',
    500: '#21606d',
    950: '#000000',
  },
}

SCSS

$custom: #21606d;
$custom-light: #678d96;
$custom-dark: #000000;

JSON

{
  "hex": "#21606d",
  "rgb": {
    "r": 33,
    "g": 96,
    "b": 109
  },
  "hsl": {
    "h": 190.263,
    "s": 53.521,
    "l": 27.843
  },
  "oklch": {
    "l": 0.45488,
    "c": 0.06607,
    "h": 213.9
  },
  "luminance": 0.09793
}

Semantic roles & 50–950 ramp

primary

#21606D

secondary

#A15849

accent

#644BDD

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070C0D

muted

#7A7D7E

Preview Lab

Preview with #21606D

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

Preview Lab → · Contrast checker → · Palette generator →