#21789A#21789A

#21789A is a mid, moderate cyan. Relative luminance 0.161; OKLCH L 53.8% C 0.095 H 229.2°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#21789A
RGB	rgb(33, 120, 154)
HSL	hsl(197, 65%, 37%)
HSV	hsv(197, 79%, 60%)
CMYK	cmyk(78.6%, 22.1%, 0%, 39.6%)
CIE-LAB	lab(47.09, -13.18, -25.54)
CIE-LCH	lch(47.09, 28.74, 242.70°)
OKLab	oklab(53.82% -0.062 -0.0718)
OKLCH	oklch(53.82% 0.095 229.2)
XYZ	xyz(13.1740, 16.0878, 32.9765)
Luminance	0.1609 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21789A #9A4321

analogous

#219A80 #21789A #213B9A

triadic

#21789A #9A2178 #789A21

tetradic

#21789A #80219A #9A4321 #3B9A21

square

#21789A #80219A #9A4321 #3B9A21

split-complementary

#21789A #9A213B #9A8021

monochromatic

#0B2935 #165168 #21789A #2C9FCC #5AB7DC

Accessibility & contrast

On white

4.98

#21789A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#21789A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21789A

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21789A	#FFFFFF	#000000	##FFFFFF
##21789A	1.00	4.98	4.22	4.98
#FFFFFF	4.98	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#66769C

Deuteranopia (green-blind)

#566B9A

Tritanopia (blue-blind)

#008183

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #21789a;
/* rgb */ color: rgb(33, 120, 154);
/* oklch */ color: oklch(53.8% 0.095 229.2);

Tailwind

colors: {
  custom: {
    50: '#709fb8',
    500: '#21789a',
    950: '#000000',
  },
}

SCSS

$custom: #21789a;
$custom-light: #709fb8;
$custom-dark: #000000;

JSON

{
  "hex": "#21789a",
  "rgb": {
    "r": 33,
    "g": 120,
    "b": 154
  },
  "hsl": {
    "h": 196.86,
    "s": 64.706,
    "l": 36.667
  },
  "oklch": {
    "l": 0.53822,
    "c": 0.09483,
    "h": 229.2
  },
  "luminance": 0.16089
}

Semantic roles & 50–950 ramp

primary

#21789A

secondary

#C07457

accent

#6F40E8

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #21789A

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

Preview Lab → · Contrast checker → · Palette generator →