#21697B#21697B

#21697B is a mid, moderate cyan. Relative luminance 0.119; OKLCH L 48.5% C 0.075 H 218.0°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#21697B
RGB	rgb(33, 105, 123)
HSL	hsl(192, 58%, 31%)
HSV	hsv(192, 73%, 48%)
CMYK	cmyk(73.2%, 14.6%, 0%, 51.8%)
CIE-LAB	lab(40.99, -15.62, -16.44)
CIE-LCH	lch(40.99, 22.68, 226.47°)
OKLab	oklab(48.5% -0.0588 -0.0459)
OKLCH	oklch(48.5% 0.075 218)
XYZ	xyz(9.2524, 11.8555, 20.5358)
Luminance	0.1186 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21697B #7B3321

analogous

#217B60 #21697B #213C7B

triadic

#21697B #7B2169 #697B21

tetradic

#21697B #60217B #7B3321 #3C7B21

square

#21697B #60217B #7B3321 #3C7B21

split-complementary

#21697B #7B213C #7B6021

monochromatic

#07171A #14404B #21697B #2E92AB #48B3CE

Accessibility & contrast

On white

6.23

#21697B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#21697B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21697B

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21697B	#FFFFFF	#000000	##FFFFFF
##21697B	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D667C

Deuteranopia (green-blind)

#515D7B

Tritanopia (blue-blind)

#006F6F

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #21697b;
/* rgb */ color: rgb(33, 105, 123);
/* oklch */ color: oklch(48.5% 0.075 218.0);

Tailwind

colors: {
  custom: {
    50: '#6a94a1',
    500: '#21697b',
    950: '#000000',
  },
}

SCSS

$custom: #21697b;
$custom-light: #6a94a1;
$custom-dark: #000000;

JSON

{
  "hex": "#21697b",
  "rgb": {
    "r": 33,
    "g": 105,
    "b": 123
  },
  "hsl": {
    "h": 192,
    "s": 57.692,
    "l": 30.588
  },
  "oklch": {
    "l": 0.485,
    "c": 0.07457,
    "h": 218
  },
  "luminance": 0.11857
}

Semantic roles & 50–950 ramp

primary

#21697B

secondary

#AE5E4A

accent

#6647E1

background

#F6F9F9

surface

#ECF1F2

border

#C7CBCC

text

#070D0F

muted

#7A7E7E

Preview Lab

Preview with #21697B

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

Preview Lab → · Contrast checker → · Palette generator →