#21709C#21709C

#21709C is a mid, moderate cyan. Relative luminance 0.143; OKLCH L 51.9% C 0.101 H 238.2°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#21709C
RGB	rgb(33, 112, 156)
HSL	hsl(201, 65%, 37%)
HSV	hsv(201, 79%, 61%)
CMYK	cmyk(78.8%, 28.2%, 0%, 38.8%)
CIE-LAB	lab(44.67, -7.81, -30.48)
CIE-LCH	lch(44.67, 31.46, 255.63°)
OKLab	oklab(51.93% -0.0533 -0.0861)
OKLCH	oklch(51.93% 0.101 238.2)
XYZ	xyz(12.4197, 14.3105, 33.5537)
Luminance	0.1431 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21709C #9C4D21

analogous

#219C8A #21709C #21339C

triadic

#21709C #9C2170 #709C21

tetradic

#21709C #8A219C #9C4D21 #339C21

square

#21709C #8A219C #9C4D21 #339C21

split-complementary

#21709C #9C2133 #9C8A21

monochromatic

#0C2737 #164C69 #21709C #2C94CF #5BAEDC

Accessibility & contrast

On white

5.44

#21709C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#21709C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21709C

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21709C	#FFFFFF	#000000	##FFFFFF
##21709C	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B709E

Deuteranopia (green-blind)

#4A659B

Tritanopia (blue-blind)

#007B7F

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #21709c;
/* rgb */ color: rgb(33, 112, 156);
/* oklch */ color: oklch(51.9% 0.101 238.2);

Tailwind

colors: {
  custom: {
    50: '#7099b9',
    500: '#21709c',
    950: '#000000',
  },
}

SCSS

$custom: #21709c;
$custom-light: #7099b9;
$custom-dark: #000000;

JSON

{
  "hex": "#21709c",
  "rgb": {
    "r": 33,
    "g": 112,
    "b": 156
  },
  "hsl": {
    "h": 201.463,
    "s": 65.079,
    "l": 37.059
  },
  "oklch": {
    "l": 0.51927,
    "c": 0.10133,
    "h": 238.2
  },
  "luminance": 0.14312
}

Semantic roles & 50–950 ramp

primary

#21709C

secondary

#C17E58

accent

#7C40E8

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090D11

muted

#7B7E80

Preview Lab

Preview with #21709C

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

Preview Lab → · Contrast checker → · Palette generator →