#21677C#21677C
#21677C is a mid, moderate cyan. Relative luminance 0.115; OKLCH L 48.0% C 0.075 H 221.8°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).
Color values
| HEX | #21677C |
|---|---|
| RGB | rgb(33, 103, 124) |
| HSL | hsl(194, 58%, 31%) |
| HSV | hsv(194, 73%, 49%) |
| CMYK | cmyk(73.4%, 16.9%, 0%, 51.4%) |
| CIE-LAB | lab(40.37, -14.14, -17.99) |
| CIE-LCH | lch(40.37, 22.88, 231.84°) |
| OKLab | oklab(48.02% -0.0562 -0.0503) |
| OKLCH | oklch(48.02% 0.075 221.8) |
| XYZ | xyz(9.1140, 11.4780, 20.8000) |
| Luminance | 0.1148 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Sea Blue
#047495
ΔE00 5.75
Petrol
#005F6A
ΔE00 6.19
Ocean
#017B92
ΔE00 7.31
Ugly Blue
#31668A
ΔE00 7.51
Ocean Blue (survey)
#03719C
ΔE00 7.70
Peacock Blue
#016795
ΔE00 8.17
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#21677C #7C3621
analogous
#217C63 #21677C #21397C
triadic
#21677C #7C2167 #677C21
tetradic
#21677C #63217C #7C3621 #397C21
square
#21677C #63217C #7C3621 #397C21
split-complementary
#21677C #7C2139 #7C6321
monochromatic
#07171B #143F4C #21677C #2E8FAC #49B0CF
Accessibility & contrast
On white
6.37
#21677C on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.30
#21677C on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #21677C
6.37:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##21677C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##21677C | 1.00 | 6.37 | 3.30 | 6.37 |
| #FFFFFF | 6.37 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.30 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.37 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5B647D
Deuteranopia (green-blind)
#4E5B7C
Tritanopia (blue-blind)
#006E6E
Achromatopsia (no color)
#5F5F5F
Design tokens & code
CSS
--color: #21677c; /* rgb */ color: rgb(33, 103, 124); /* oklch */ color: oklch(48.0% 0.075 221.8);
Tailwind
colors: {
custom: {
50: '#6a92a2',
500: '#21677c',
950: '#000000',
},
}SCSS
$custom: #21677c; $custom-light: #6a92a2; $custom-dark: #000000;
JSON
{
"hex": "#21677c",
"rgb": {
"r": 33,
"g": 103,
"b": 124
},
"hsl": {
"h": 193.846,
"s": 57.962,
"l": 30.784
},
"oklch": {
"l": 0.48023,
"c": 0.07538,
"h": 221.8
},
"luminance": 0.11479
}Semantic roles & 50–950 ramp
primary
#21677C
secondary
#AF614A
accent
#6A47E1
background
#F6F9F9
surface
#ECF1F2
border
#C7CBCC
text
#070D0F
muted
#7A7E7E