#21647A#21647A

#21647A is a mid, moderate cyan. Relative luminance 0.108; OKLCH L 47.1% C 0.074 H 223.8°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#21647A
RGB	rgb(33, 100, 122)
HSL	hsl(195, 57%, 30%)
HSV	hsv(195, 73%, 48%)
CMYK	cmyk(73%, 18%, 0%, 52.2%)
CIE-LAB	lab(39.31, -13.12, -18.40)
CIE-LCH	lch(39.31, 22.60, 234.52°)
OKLab	oklab(47.15% -0.0537 -0.0515)
OKLCH	oklch(47.15% 0.074 223.8)
XYZ	xyz(8.6958, 10.8418, 20.0430)
Luminance	0.1084 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21647A #7A3721

analogous

#217A63 #21647A #21387A

triadic

#21647A #7A2164 #647A21

tetradic

#21647A #63217A #7A3721 #387A21

square

#21647A #63217A #7A3721 #387A21

split-complementary

#21647A #7A2138 #7A6321

monochromatic

#07151A #143D4A #21647A #2E8BAA #48ACCD

Accessibility & contrast

On white

6.63

#21647A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#21647A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21647A

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21647A	#FFFFFF	#000000	##FFFFFF
##21647A	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58627B

Deuteranopia (green-blind)

#4B597A

Tritanopia (blue-blind)

#006B6B

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #21647a;
/* rgb */ color: rgb(33, 100, 122);
/* oklch */ color: oklch(47.1% 0.074 223.8);

Tailwind

colors: {
  custom: {
    50: '#6990a0',
    500: '#21647a',
    950: '#000000',
  },
}

SCSS

$custom: #21647a;
$custom-light: #6990a0;
$custom-dark: #000000;

JSON

{
  "hex": "#21647a",
  "rgb": {
    "r": 33,
    "g": 100,
    "b": 122
  },
  "hsl": {
    "h": 194.831,
    "s": 57.419,
    "l": 30.392
  },
  "oklch": {
    "l": 0.47145,
    "c": 0.0744,
    "h": 223.8
  },
  "luminance": 0.10843
}

Semantic roles & 50–950 ramp

primary

#21647A

secondary

#AD624A

accent

#6D47E1

background

#F6F8F9

surface

#ECF0F2

border

#C7CBCC

text

#070C0E

muted

#7A7D7E

Preview Lab

Preview with #21647A

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

Preview Lab → · Contrast checker → · Palette generator →