#21677F#21677F
#21677F is a mid, moderate cyan. Relative luminance 0.116; OKLCH L 48.2% C 0.078 H 225.0°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).
Color values
| HEX | #21677F |
|---|---|
| RGB | rgb(33, 103, 127) |
| HSL | hsl(195, 59%, 31%) |
| HSV | hsv(195, 74%, 50%) |
| CMYK | cmyk(74%, 18.9%, 0%, 50.2%) |
| CIE-LAB | lab(40.50, -13.08, -19.61) |
| CIE-LCH | lch(40.50, 23.58, 236.30°) |
| OKLab | oklab(48.17% -0.0549 -0.0549) |
| OKLCH | oklch(48.17% 0.078 225) |
| XYZ | xyz(9.3066, 11.5551, 21.8144) |
| Luminance | 0.1156 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Sea Blue
#047495
ΔE00 5.15
Ugly Blue
#31668A
ΔE00 6.28
Ocean Blue (survey)
#03719C
ΔE00 6.58
Peacock Blue
#016795
ΔE00 6.85
Petrol
#005F6A
ΔE00 7.31
Ocean
#017B92
ΔE00 7.58
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#21677F #7F3921
analogous
#217F68 #21677F #21387F
triadic
#21677F #7F2167 #677F21
tetradic
#21677F #68217F #7F3921 #387F21
square
#21677F #68217F #7F3921 #387F21
split-complementary
#21677F #7F2138 #7F6821
monochromatic
#08181E #14404E #21677F #2E8EB0 #4AAED0
Accessibility & contrast
On white
6.34
#21677F on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.31
#21677F on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #21677F
6.34:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##21677F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##21677F | 1.00 | 6.34 | 3.31 | 6.34 |
| #FFFFFF | 6.34 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.31 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.34 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5A6580
Deuteranopia (green-blind)
#4D5B7F
Tritanopia (blue-blind)
#006E6F
Achromatopsia (no color)
#5F5F5F
Design tokens & code
CSS
--color: #21677f; /* rgb */ color: rgb(33, 103, 127); /* oklch */ color: oklch(48.2% 0.078 225.0);
Tailwind
colors: {
custom: {
50: '#6a92a4',
500: '#21677f',
950: '#000000',
},
}SCSS
$custom: #21677f; $custom-light: #6a92a4; $custom-dark: #000000;
JSON
{
"hex": "#21677f",
"rgb": {
"r": 33,
"g": 103,
"b": 127
},
"hsl": {
"h": 195.319,
"s": 58.75,
"l": 31.373
},
"oklch": {
"l": 0.48165,
"c": 0.07767,
"h": 225
},
"luminance": 0.11556
}Semantic roles & 50–950 ramp
primary
#21677F
secondary
#B2654A
accent
#6E46E2
background
#F6F8FA
surface
#ECF0F4
border
#C7CBCE
text
#070D0F
muted
#7A7D7F