#21709F#21709F

#21709F is a mid, moderate cyan. Relative luminance 0.144; OKLCH L 52.1% C 0.105 H 240.0°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#21709F
RGB	rgb(33, 112, 159)
HSL	hsl(202, 66%, 38%)
HSV	hsv(202, 79%, 62%)
CMYK	cmyk(79.2%, 29.6%, 0%, 37.6%)
CIE-LAB	lab(44.82, -6.69, -32.02)
CIE-LCH	lch(44.82, 32.71, 258.20°)
OKLab	oklab(52.09% -0.0523 -0.0906)
OKLCH	oklch(52.09% 0.105 240)
XYZ	xyz(12.6769, 14.4133, 34.9081)
Luminance	0.1442 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21709F #9F5021

analogous

#219F8F #21709F #21319F

triadic

#21709F #9F2170 #709F21

tetradic

#21709F #8F219F #9F5021 #319F21

square

#21709F #8F219F #9F5021 #319F21

split-complementary

#21709F #9F2131 #9F8F21

monochromatic

#0C293A #164C6C #21709F #2C94D2 #5DADDD

Accessibility & contrast

On white

5.41

#21709F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#21709F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21709F

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21709F	#FFFFFF	#000000	##FFFFFF
##21709F	1.00	5.41	3.88	5.41
#FFFFFF	5.41	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A70A1

Deuteranopia (green-blind)

#49659E

Tritanopia (blue-blind)

#007C80

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #21709f;
/* rgb */ color: rgb(33, 112, 159);
/* oklch */ color: oklch(52.1% 0.105 240.0);

Tailwind

colors: {
  custom: {
    50: '#7098bb',
    500: '#21709f',
    950: '#000000',
  },
}

SCSS

$custom: #21709f;
$custom-light: #7098bb;
$custom-dark: #000000;

JSON

{
  "hex": "#21709f",
  "rgb": {
    "r": 33,
    "g": 112,
    "b": 159
  },
  "hsl": {
    "h": 202.381,
    "s": 65.625,
    "l": 37.647
  },
  "oklch": {
    "l": 0.5209,
    "c": 0.10466,
    "h": 240
  },
  "luminance": 0.14415
}

Semantic roles & 50–950 ramp

primary

#21709F

secondary

#C2815A

accent

#7E3FE9

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090D12

muted

#7B7E81

Preview Lab

Preview with #21709F

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

Preview Lab → · Contrast checker → · Palette generator →