#21759F#21759F

#21759F is a mid, moderate cyan. Relative luminance 0.155; OKLCH L 53.3% C 0.101 H 235.6°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#21759F
RGB	rgb(33, 117, 159)
HSL	hsl(200, 66%, 38%)
HSV	hsv(200, 79%, 62%)
CMYK	cmyk(79.2%, 26.4%, 0%, 37.6%)
CIE-LAB	lab(46.38, -9.64, -29.59)
CIE-LCH	lch(46.38, 31.12, 251.95°)
OKLab	oklab(53.33% -0.0572 -0.0835)
OKLCH	oklch(53.33% 0.101 235.6)
XYZ	xyz(13.2440, 15.5475, 35.0971)
Luminance	0.1555 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21759F #9F4B21

analogous

#219F8A #21759F #21369F

triadic

#21759F #9F2175 #759F21

tetradic

#21759F #8A219F #9F4B21 #369F21

square

#21759F #8A219F #9F4B21 #369F21

split-complementary

#21759F #9F2136 #9F8A21

monochromatic

#0C2A3A #16506C #21759F #2C9AD2 #5DB3DD

Accessibility & contrast

On white

5.11

#21759F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#21759F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21759F

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21759F	#FFFFFF	#000000	##FFFFFF
##21759F	1.00	5.11	4.11	5.11
#FFFFFF	5.11	1.00	21.00	1.00
#000000	4.11	21.00	1.00	21.00
##FFFFFF	5.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6174A1

Deuteranopia (green-blind)

#50699E

Tritanopia (blue-blind)

#008083

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #21759f;
/* rgb */ color: rgb(33, 117, 159);
/* oklch */ color: oklch(53.3% 0.101 235.6);

Tailwind

colors: {
  custom: {
    50: '#719cbb',
    500: '#21759f',
    950: '#000000',
  },
}

SCSS

$custom: #21759f;
$custom-light: #719cbb;
$custom-dark: #000000;

JSON

{
  "hex": "#21759f",
  "rgb": {
    "r": 33,
    "g": 117,
    "b": 159
  },
  "hsl": {
    "h": 200,
    "s": 65.625,
    "l": 37.647
  },
  "oklch": {
    "l": 0.53326,
    "c": 0.10121,
    "h": 235.6
  },
  "luminance": 0.15549
}

Semantic roles & 50–950 ramp

primary

#21759F

secondary

#C27D5A

accent

#783FE9

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #21759F

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

Preview Lab → · Contrast checker → · Palette generator →