#21789E#21789E

#21789E is a mid, moderate cyan. Relative luminance 0.162; OKLCH L 54.0% C 0.099 H 232.1°. Best body text is #FFFFFF at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#21789E
RGB	rgb(33, 120, 158)
HSL	hsl(198, 65%, 37%)
HSV	hsv(198, 79%, 62%)
CMYK	cmyk(79.1%, 24.1%, 0%, 38%)
CIE-LAB	lab(47.27, -11.74, -27.61)
CIE-LCH	lch(47.27, 30.00, 246.96°)
OKLab	oklab(54.02% -0.0605 -0.0778)
OKLCH	oklch(54.02% 0.099 232.1)
XYZ	xyz(13.5127, 16.2233, 34.7603)
Luminance	0.1623 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21789E #9E4721

analogous

#219E86 #21789E #213A9E

triadic

#21789E #9E2178 #789E21

tetradic

#21789E #86219E #9E4721 #3A9E21

square

#21789E #86219E #9E4721 #3A9E21

split-complementary

#21789E #9E213A #9E8621

monochromatic

#0C2B39 #16526B #21789E #2C9ED1 #5CB6DD

Accessibility & contrast

On white

4.95

#21789E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#21789E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21789E

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21789E	#FFFFFF	#000000	##FFFFFF
##21789E	1.00	4.95	4.24	4.95
#FFFFFF	4.95	1.00	21.00	1.00
#000000	4.24	21.00	1.00	21.00
##FFFFFF	4.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6577A0

Deuteranopia (green-blind)

#546B9D

Tritanopia (blue-blind)

#008285

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #21789e;
/* rgb */ color: rgb(33, 120, 158);
/* oklch */ color: oklch(54.0% 0.099 232.1);

Tailwind

colors: {
  custom: {
    50: '#719fba',
    500: '#21789e',
    950: '#000000',
  },
}

SCSS

$custom: #21789e;
$custom-light: #719fba;
$custom-dark: #000000;

JSON

{
  "hex": "#21789e",
  "rgb": {
    "r": 33,
    "g": 120,
    "b": 158
  },
  "hsl": {
    "h": 198.24,
    "s": 65.445,
    "l": 37.451
  },
  "oklch": {
    "l": 0.54021,
    "c": 0.09851,
    "h": 232.1
  },
  "luminance": 0.16225
}

Semantic roles & 50–950 ramp

primary

#21789E

secondary

#C17959

accent

#733FE8

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #21789E

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

Preview Lab → · Contrast checker → · Palette generator →