#21678E#21678E
#21678E is a mid, moderate cyan. Relative luminance 0.120; OKLCH L 48.9% C 0.092 H 237.7°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).
Color values
| HEX | #21678E |
|---|---|
| RGB | rgb(33, 103, 142) |
| HSL | hsl(201, 62%, 34%) |
| HSV | hsv(201, 77%, 56%) |
| CMYK | cmyk(76.8%, 27.5%, 0%, 44.3%) |
| CIE-LAB | lab(41.18, -7.63, -27.61) |
| CIE-LCH | lch(41.18, 28.65, 254.56°) |
| OKLab | oklab(48.93% -0.0492 -0.0779) |
| OKLCH | oklch(48.93% 0.092 237.7) |
| XYZ | xyz(10.3580, 11.9756, 27.3516) |
| Luminance | 0.1198 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Peacock Blue
#016795
ΔE00 1.59
Ugly Blue
#31668A
ΔE00 1.79
Ocean Blue (survey)
#03719C
ΔE00 3.93
Denim (survey)
#3B638C
ΔE00 5.21
Muted Blue
#3B719F
ΔE00 5.40
Sea Blue
#047495
ΔE00 6.23
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#21678E #8E4821
analogous
#218E7F #21678E #21318E
triadic
#21678E #8E2167 #678E21
tetradic
#21678E #7F218E #8E4821 #318E21
square
#21678E #7F218E #8E4821 #318E21
split-complementary
#21678E #8E2131 #8E7F21
monochromatic
#0A1F2B #15435C #21678E #2D8BC0 #52A8D7
Accessibility & contrast
On white
6.18
#21678E on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.40
#21678E on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #21678E
6.18:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##21678E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##21678E | 1.00 | 6.18 | 3.40 | 6.18 |
| #FFFFFF | 6.18 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.40 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.18 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#546790
Deuteranopia (green-blind)
#465D8D
Tritanopia (blue-blind)
#007174
Achromatopsia (no color)
#616161
Design tokens & code
CSS
--color: #21678e; /* rgb */ color: rgb(33, 103, 142); /* oklch */ color: oklch(48.9% 0.092 237.7);
Tailwind
colors: {
custom: {
50: '#6d92af',
500: '#21678e',
950: '#000000',
},
}SCSS
$custom: #21678e; $custom-light: #6d92af; $custom-dark: #000000;
JSON
{
"hex": "#21678e",
"rgb": {
"r": 33,
"g": 103,
"b": 142
},
"hsl": {
"h": 201.468,
"s": 62.286,
"l": 34.314
},
"oklch": {
"l": 0.48929,
"c": 0.0922,
"h": 237.7
},
"luminance": 0.11977
}Semantic roles & 50–950 ramp
primary
#21678E
secondary
#BA7650
accent
#7D42E5
background
#F7F8FA
surface
#EDF0F4
border
#C8CBCE
text
#080D10
muted
#7B7D7F