#21709A#21709A

#21709A is a mid, moderate cyan. Relative luminance 0.142; OKLCH L 51.8% C 0.099 H 237.0°. Best body text is #FFFFFF at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#21709A
RGB	rgb(33, 112, 154)
HSL	hsl(201, 65%, 37%)
HSV	hsv(201, 79%, 60%)
CMYK	cmyk(78.6%, 27.3%, 0%, 39.6%)
CIE-LAB	lab(44.58, -8.54, -29.44)
CIE-LCH	lch(44.58, 30.66, 253.82°)
OKLab	oklab(51.82% -0.054 -0.0831)
OKLCH	oklch(51.82% 0.099 237)
XYZ	xyz(12.2518, 14.2433, 32.6691)
Luminance	0.1424 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21709A #9A4B21

analogous

#219A88 #21709A #21349A

triadic

#21709A #9A2170 #709A21

tetradic

#21709A #88219A #9A4B21 #349A21

square

#21709A #88219A #9A4B21 #349A21

split-complementary

#21709A #9A2134 #9A8821

monochromatic

#0B2735 #164B68 #21709A #2C95CC #5AAFDC

Accessibility & contrast

On white

5.46

#21709A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#21709A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21709A

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21709A	#FFFFFF	#000000	##FFFFFF
##21709A	1.00	5.46	3.85	5.46
#FFFFFF	5.46	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C709C

Deuteranopia (green-blind)

#4C6499

Tritanopia (blue-blind)

#007B7E

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #21709a;
/* rgb */ color: rgb(33, 112, 154);
/* oklch */ color: oklch(51.8% 0.099 237.0);

Tailwind

colors: {
  custom: {
    50: '#6f99b8',
    500: '#21709a',
    950: '#000000',
  },
}

SCSS

$custom: #21709a;
$custom-light: #6f99b8;
$custom-dark: #000000;

JSON

{
  "hex": "#21709a",
  "rgb": {
    "r": 33,
    "g": 112,
    "b": 154
  },
  "hsl": {
    "h": 200.826,
    "s": 64.706,
    "l": 36.667
  },
  "oklch": {
    "l": 0.51821,
    "c": 0.09917,
    "h": 237
  },
  "luminance": 0.14245
}

Semantic roles & 50–950 ramp

primary

#21709A

secondary

#C07B57

accent

#7A40E8

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090D11

muted

#7B7E80

Preview Lab

Preview with #21709A

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

Preview Lab → · Contrast checker → · Palette generator →