#21789F#21789F

#21789F is a mid, moderate cyan. Relative luminance 0.163; OKLCH L 54.1% C 0.099 H 232.8°. Best body text is #FFFFFF at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#21789F
RGB	rgb(33, 120, 159)
HSL	hsl(199, 66%, 38%)
HSV	hsv(199, 79%, 62%)
CMYK	cmyk(79.2%, 24.5%, 0%, 37.6%)
CIE-LAB	lab(47.31, -11.38, -28.13)
CIE-LCH	lch(47.31, 30.34, 247.98°)
OKLab	oklab(54.07% -0.0601 -0.0793)
OKLCH	oklch(54.07% 0.099 232.8)
XYZ	xyz(13.5991, 16.2578, 35.2155)
Luminance	0.1626 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21789F #9F4821

analogous

#219F87 #21789F #21399F

triadic

#21789F #9F2178 #789F21

tetradic

#21789F #87219F #9F4821 #399F21

square

#21789F #87219F #9F4821 #399F21

split-complementary

#21789F #9F2139 #9F8721

monochromatic

#0C2C3A #16526C #21789F #2C9ED2 #5DB6DD

Accessibility & contrast

On white

4.94

#21789F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#21789F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21789F

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21789F	#FFFFFF	#000000	##FFFFFF
##21789F	1.00	4.94	4.25	4.94
#FFFFFF	4.94	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6577A1

Deuteranopia (green-blind)

#546B9E

Tritanopia (blue-blind)

#008285

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #21789f;
/* rgb */ color: rgb(33, 120, 159);
/* oklch */ color: oklch(54.1% 0.099 232.8);

Tailwind

colors: {
  custom: {
    50: '#719fbb',
    500: '#21789f',
    950: '#000000',
  },
}

SCSS

$custom: #21789f;
$custom-light: #719fbb;
$custom-dark: #000000;

JSON

{
  "hex": "#21789f",
  "rgb": {
    "r": 33,
    "g": 120,
    "b": 159
  },
  "hsl": {
    "h": 198.571,
    "s": 65.625,
    "l": 37.647
  },
  "oklch": {
    "l": 0.54071,
    "c": 0.09948,
    "h": 232.8
  },
  "luminance": 0.16259
}

Semantic roles & 50–950 ramp

primary

#21789F

secondary

#C27A5A

accent

#743FE9

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #21789F

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

Preview Lab → · Contrast checker → · Palette generator →