#21688F#21688F

#21688F is a mid, moderate cyan. Relative luminance 0.122; OKLCH L 49.2% C 0.093 H 237.4°. Best body text is #FFFFFF at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#21688F
RGB	rgb(33, 104, 143)
HSL	hsl(201, 63%, 35%)
HSV	hsv(201, 77%, 56%)
CMYK	cmyk(76.9%, 27.3%, 0%, 43.9%)
CIE-LAB	lab(41.54, -7.86, -27.64)
CIE-LCH	lch(41.54, 28.74, 254.13°)
OKLab	oklab(49.23% -0.0499 -0.078)
OKLCH	oklch(49.23% 0.093 237.4)
XYZ	xyz(10.5335, 12.2059, 27.7821)
Luminance	0.1221 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21688F #8F4821

analogous

#218F7F #21688F #21318F

triadic

#21688F #8F2168 #688F21

tetradic

#21688F #7F218F #8F4821 #318F21

square

#21688F #7F218F #8F4821 #318F21

split-complementary

#21688F #8F2131 #8F7F21

monochromatic

#0A202C #16445D #21688F #2C8CC1 #53A8D7

Accessibility & contrast

On white

6.10

#21688F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#21688F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21688F

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21688F	#FFFFFF	#000000	##FFFFFF
##21688F	1.00	6.10	3.44	6.10
#FFFFFF	6.10	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#556891

Deuteranopia (green-blind)

#465D8E

Tritanopia (blue-blind)

#007275

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #21688f;
/* rgb */ color: rgb(33, 104, 143);
/* oklch */ color: oklch(49.2% 0.093 237.4);

Tailwind

colors: {
  custom: {
    50: '#6d93b0',
    500: '#21688f',
    950: '#000000',
  },
}

SCSS

$custom: #21688f;
$custom-light: #6d93b0;
$custom-dark: #000000;

JSON

{
  "hex": "#21688f",
  "rgb": {
    "r": 33,
    "g": 104,
    "b": 143
  },
  "hsl": {
    "h": 201.273,
    "s": 62.5,
    "l": 34.51
  },
  "oklch": {
    "l": 0.49234,
    "c": 0.09262,
    "h": 237.4
  },
  "luminance": 0.12207
}

Semantic roles & 50–950 ramp

primary

#21688F

secondary

#BB7651

accent

#7C42E6

background

#F7F9FA

surface

#EDF1F4

border

#C8CBCE

text

#080D10

muted

#7B7E7F

Preview Lab

Preview with #21688F

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

Preview Lab → · Contrast checker → · Palette generator →