#21647C#21647C

#21647C is a mid, moderate cyan. Relative luminance 0.109; OKLCH L 47.2% C 0.076 H 225.9°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#21647C
RGB	rgb(33, 100, 124)
HSL	hsl(196, 58%, 31%)
HSV	hsv(196, 73%, 49%)
CMYK	cmyk(73.4%, 19.4%, 0%, 51.4%)
CIE-LAB	lab(39.40, -12.41, -19.49)
CIE-LCH	lch(39.40, 23.11, 237.52°)
OKLab	oklab(47.24% -0.0529 -0.0546)
OKLCH	oklch(47.24% 0.076 225.9)
XYZ	xyz(8.8210, 10.8919, 20.7023)
Luminance	0.1089 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21647C #7C3921

analogous

#217C66 #21647C #21367C

triadic

#21647C #7C2164 #647C21

tetradic

#21647C #66217C #7C3921 #367C21

square

#21647C #66217C #7C3921 #367C21

split-complementary

#21647C #7C2136 #7C6621

monochromatic

#07161B #143D4C #21647C #2E8BAC #49ABCF

Accessibility & contrast

On white

6.61

#21647C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#21647C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21647C

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21647C	#FFFFFF	#000000	##FFFFFF
##21647C	1.00	6.61	3.18	6.61
#FFFFFF	6.61	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57627D

Deuteranopia (green-blind)

#4A597C

Tritanopia (blue-blind)

#006B6C

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #21647c;
/* rgb */ color: rgb(33, 100, 124);
/* oklch */ color: oklch(47.2% 0.076 225.9);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#21647c",
  "rgb": {
    "r": 33,
    "g": 100,
    "b": 124
  },
  "hsl": {
    "h": 195.824,
    "s": 57.962,
    "l": 30.784
  },
  "oklch": {
    "l": 0.47241,
    "c": 0.07601,
    "h": 225.9
  },
  "luminance": 0.10893
}

Semantic roles & 50–950 ramp

primary

#21647C

secondary

#AF654A

accent

#6F47E1

background

#F6F8F9

surface

#ECF0F2

border

#C7CBCC

text

#070C0F

muted

#7A7D7E

Preview Lab

Preview with #21647C

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

Preview Lab → · Contrast checker → · Palette generator →