#21699C#21699C
#21699C is a mid, moderate cyan. Relative luminance 0.128; OKLCH L 50.2% C 0.107 H 244.2°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).
Color values
| HEX | #21699C |
|---|---|
| RGB | rgb(33, 105, 156) |
| HSL | hsl(205, 65%, 37%) |
| HSV | hsv(205, 79%, 61%) |
| CMYK | cmyk(78.8%, 32.7%, 0%, 38.8%) |
| CIE-LAB | lab(42.50, -3.59, -33.90) |
| CIE-LCH | lch(42.50, 34.09, 263.96°) |
| OKLab | oklab(50.2% -0.0466 -0.0962) |
| OKLCH | oklch(50.2% 0.107 244.2) |
| XYZ | xyz(11.6772, 12.8254, 33.3062) |
| Luminance | 0.1283 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Peacock Blue
#016795
ΔE00 2.87
Ugly Blue
#31668A
ΔE00 3.12
Muted Blue
#3B719F
ΔE00 3.57
Mid Blue
#276AB3
ΔE00 3.98
Denim (survey)
#3B638C
ΔE00 4.37
Flat Blue
#3C73A8
ΔE00 4.65
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#21699C #9C5421
analogous
#219C92 #21699C #212C9C
triadic
#21699C #9C2169 #699C21
tetradic
#21699C #92219C #9C5421 #2C9C21
square
#21699C #92219C #9C5421 #2C9C21
split-complementary
#21699C #9C212C #9C9221
monochromatic
#0C2537 #164769 #21699C #2C8BCF #5BA7DC
Accessibility & contrast
On white
5.89
#21699C on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.57
#21699C on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #21699C
5.89:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##21699C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##21699C | 1.00 | 5.89 | 3.57 | 5.89 |
| #FFFFFF | 5.89 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.57 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.89 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#516B9E
Deuteranopia (green-blind)
#405F9B
Tritanopia (blue-blind)
#00757B
Achromatopsia (no color)
#646464
Design tokens & code
CSS
--color: #21699c; /* rgb */ color: rgb(33, 105, 156); /* oklch */ color: oklch(50.2% 0.107 244.2);
Tailwind
colors: {
custom: {
50: '#7093b9',
500: '#21699c',
950: '#000000',
},
}SCSS
$custom: #21699c; $custom-light: #7093b9; $custom-dark: #000000;
JSON
{
"hex": "#21699c",
"rgb": {
"r": 33,
"g": 105,
"b": 156
},
"hsl": {
"h": 204.878,
"s": 65.079,
"l": 37.059
},
"oklch": {
"l": 0.50204,
"c": 0.10688,
"h": 244.2
},
"luminance": 0.12827
}Semantic roles & 50–950 ramp
primary
#21699C
secondary
#C18358
accent
#8640E8
background
#F7F9FB
surface
#EDF1F6
border
#C8CBD0
text
#090D11
muted
#7B7E80