#21647D#21647D

#21647D is a mid, moderate cyan. Relative luminance 0.109; OKLCH L 47.3% C 0.077 H 226.9°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#21647D
RGB	rgb(33, 100, 125)
HSL	hsl(196, 58%, 31%)
HSV	hsv(196, 74%, 49%)
CMYK	cmyk(73.6%, 20%, 0%, 51%)
CIE-LAB	lab(39.44, -12.05, -20.03)
CIE-LCH	lch(39.44, 23.38, 238.97°)
OKLab	oklab(47.29% -0.0525 -0.0561)
OKLCH	oklch(47.29% 0.077 226.9)
XYZ	xyz(8.8845, 10.9173, 21.0371)
Luminance	0.1092 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21647D #7D3A21

analogous

#217D68 #21647D #21367D

triadic

#21647D #7D2164 #647D21

tetradic

#21647D #68217D #7D3A21 #367D21

square

#21647D #68217D #7D3A21 #367D21

split-complementary

#21647D #7D2136 #7D6821

monochromatic

#07171C #143D4D #21647D #2E8BAD #49ABCF

Accessibility & contrast

On white

6.60

#21647D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#21647D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21647D

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21647D	#FFFFFF	#000000	##FFFFFF
##21647D	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57627E

Deuteranopia (green-blind)

#4A597D

Tritanopia (blue-blind)

#006B6C

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #21647d;
/* rgb */ color: rgb(33, 100, 125);
/* oklch */ color: oklch(47.3% 0.077 226.9);

Tailwind

colors: {
  custom: {
    50: '#6a90a2',
    500: '#21647d',
    950: '#000000',
  },
}

SCSS

$custom: #21647d;
$custom-light: #6a90a2;
$custom-dark: #000000;

JSON

{
  "hex": "#21647d",
  "rgb": {
    "r": 33,
    "g": 100,
    "b": 125
  },
  "hsl": {
    "h": 196.304,
    "s": 58.228,
    "l": 30.98
  },
  "oklch": {
    "l": 0.47289,
    "c": 0.07685,
    "h": 226.9
  },
  "luminance": 0.10918
}

Semantic roles & 50–950 ramp

primary

#21647D

secondary

#B0664A

accent

#7046E1

background

#F6F8FA

surface

#ECF0F3

border

#C7CBCD

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #21647D

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

Preview Lab → · Contrast checker → · Palette generator →