#21697C#21697C
#21697C is a mid, moderate cyan. Relative luminance 0.119; OKLCH L 48.5% C 0.075 H 219.1°. Best body text is #FFFFFF at 6.22:1 contrast (WCAG AA passes).
Color values
| HEX | #21697C |
|---|---|
| RGB | rgb(33, 105, 124) |
| HSL | hsl(193, 58%, 31%) |
| HSV | hsv(193, 73%, 49%) |
| CMYK | cmyk(73.4%, 15.3%, 0%, 51.4%) |
| CIE-LAB | lab(41.03, -15.27, -16.99) |
| CIE-LCH | lch(41.03, 22.84, 228.04°) |
| OKLab | oklab(48.55% -0.0584 -0.0474) |
| OKLCH | oklch(48.55% 0.075 219.1) |
| XYZ | xyz(9.3154, 11.8807, 20.8671) |
| Luminance | 0.1188 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Petrol
#005F6A
ΔE00 5.72
Sea Blue
#047495
ΔE00 5.85
Ocean
#017B92
ΔE00 6.56
Ocean Blue (survey)
#03719C
ΔE00 8.31
Deep Aqua
#08787F
ΔE00 8.42
Ugly Blue
#31668A
ΔE00 8.51
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#21697C #7C3421
analogous
#217C61 #21697C #213C7C
triadic
#21697C #7C2169 #697C21
tetradic
#21697C #61217C #7C3421 #3C7C21
square
#21697C #61217C #7C3421 #3C7C21
split-complementary
#21697C #7C213C #7C6121
monochromatic
#07171B #14404C #21697C #2E92AC #49B3CF
Accessibility & contrast
On white
6.22
#21697C on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.38
#21697C on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #21697C
6.22:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##21697C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##21697C | 1.00 | 6.22 | 3.38 | 6.22 |
| #FFFFFF | 6.22 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.38 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.22 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5D667D
Deuteranopia (green-blind)
#505D7C
Tritanopia (blue-blind)
#006F6F
Achromatopsia (no color)
#616161
Design tokens & code
CSS
--color: #21697c; /* rgb */ color: rgb(33, 105, 124); /* oklch */ color: oklch(48.5% 0.075 219.1);
Tailwind
colors: {
custom: {
50: '#6a94a2',
500: '#21697c',
950: '#000000',
},
}SCSS
$custom: #21697c; $custom-light: #6a94a2; $custom-dark: #000000;
JSON
{
"hex": "#21697c",
"rgb": {
"r": 33,
"g": 105,
"b": 124
},
"hsl": {
"h": 192.527,
"s": 57.962,
"l": 30.784
},
"oklch": {
"l": 0.48546,
"c": 0.07519,
"h": 219.1
},
"luminance": 0.11882
}Semantic roles & 50–950 ramp
primary
#21697C
secondary
#AF5F4A
accent
#6747E1
background
#F6F9F9
surface
#ECF1F2
border
#C7CBCC
text
#070D0F
muted
#7A7E7E