#21689A#21689A
#21689A is a mid, moderate cyan. Relative luminance 0.126; OKLCH L 49.8% C 0.105 H 244.0°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).
Color values
| HEX | #21689A |
|---|---|
| RGB | rgb(33, 104, 154) |
| HSL | hsl(205, 65%, 37%) |
| HSV | hsv(205, 79%, 60%) |
| CMYK | cmyk(78.6%, 32.5%, 0%, 39.6%) |
| CIE-LAB | lab(42.09, -3.73, -33.36) |
| CIE-LCH | lch(42.09, 33.57, 263.62°) |
| OKLab | oklab(49.84% -0.0462 -0.0946) |
| OKLCH | oklch(49.84% 0.105 244) |
| XYZ | xyz(11.4080, 12.5557, 32.3878) |
| Luminance | 0.1256 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Peacock Blue
#016795
ΔE00 2.68
Ugly Blue
#31668A
ΔE00 2.86
Muted Blue
#3B719F
ΔE00 3.88
Denim (survey)
#3B638C
ΔE00 4.16
Mid Blue
#276AB3
ΔE00 4.18
Flat Blue
#3C73A8
ΔE00 4.99
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#21689A #9A5321
analogous
#219A90 #21689A #212C9A
triadic
#21689A #9A2168 #689A21
tetradic
#21689A #90219A #9A5321 #2C9A21
square
#21689A #90219A #9A5321 #2C9A21
split-complementary
#21689A #9A212C #9A9021
monochromatic
#0B2435 #164668 #21689A #2C8ACC #5AA6DC
Accessibility & contrast
On white
5.98
#21689A on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.51
#21689A on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #21689A
5.98:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##21689A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##21689A | 1.00 | 5.98 | 3.51 | 5.98 |
| #FFFFFF | 5.98 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.51 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.98 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#51699C
Deuteranopia (green-blind)
#405E99
Tritanopia (blue-blind)
#00747A
Achromatopsia (no color)
#636363
Design tokens & code
CSS
--color: #21689a; /* rgb */ color: rgb(33, 104, 154); /* oklch */ color: oklch(49.8% 0.105 244.0);
Tailwind
colors: {
custom: {
50: '#6f92b8',
500: '#21689a',
950: '#000000',
},
}SCSS
$custom: #21689a; $custom-light: #6f92b8; $custom-dark: #000000;
JSON
{
"hex": "#21689a",
"rgb": {
"r": 33,
"g": 104,
"b": 154
},
"hsl": {
"h": 204.793,
"s": 64.706,
"l": 36.667
},
"oklch": {
"l": 0.49844,
"c": 0.10534,
"h": 244
},
"luminance": 0.12557
}Semantic roles & 50–950 ramp
primary
#21689A
secondary
#C08257
accent
#8540E8
background
#F7F8FB
surface
#EDF0F6
border
#C8CBD0
text
#080D11
muted
#7B7D80