#21689E#21689E

#21689E is a mid, moderate cyan. Relative luminance 0.127; OKLCH L 50.1% C 0.110 H 245.9°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#21689E
RGB	rgb(33, 104, 158)
HSL	hsl(206, 65%, 37%)
HSV	hsv(206, 79%, 62%)
CMYK	cmyk(79.1%, 34.2%, 0%, 38%)
CIE-LAB	lab(42.29, -2.21, -35.41)
CIE-LCH	lch(42.29, 35.48, 266.42°)
OKLab	oklab(50.08% -0.045 -0.1006)
OKLCH	oklch(50.08% 0.11 245.9)
XYZ	xyz(11.7467, 12.6912, 34.1717)
Luminance	0.1269 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21689E #9E5721

analogous

#219E96 #21689E #212A9E

triadic

#21689E #9E2168 #689E21

tetradic

#21689E #96219E #9E5721 #2A9E21

square

#21689E #96219E #9E5721 #2A9E21

split-complementary

#21689E #9E212A #9E9621

monochromatic

#0C2539 #16476B #21689E #2C89D1 #5CA5DD

Accessibility & contrast

On white

5.93

#21689E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#21689E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #21689E

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21689E	#FFFFFF	#000000	##FFFFFF
##21689E	1.00	5.93	3.54	5.93
#FFFFFF	5.93	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F6AA0

Deuteranopia (green-blind)

#3D5F9D

Tritanopia (blue-blind)

#00757B

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #21689e;
/* rgb */ color: rgb(33, 104, 158);
/* oklch */ color: oklch(50.1% 0.110 245.9);

Tailwind

colors: {
  custom: {
    50: '#7092bb',
    500: '#21689e',
    950: '#000000',
  },
}

SCSS

$custom: #21689e;
$custom-light: #7092bb;
$custom-dark: #000000;

JSON

{
  "hex": "#21689e",
  "rgb": {
    "r": 33,
    "g": 104,
    "b": 158
  },
  "hsl": {
    "h": 205.92,
    "s": 65.445,
    "l": 37.451
  },
  "oklch": {
    "l": 0.50077,
    "c": 0.11023,
    "h": 245.9
  },
  "luminance": 0.12693
}

Semantic roles & 50–950 ramp

primary

#21689E

secondary

#C18659

accent

#883FE8

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#090D12

muted

#7B7D81

Preview Lab

Preview with #21689E

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

Preview Lab → · Contrast checker → · Palette generator →