#21688D#21688D
#21688D is a mid, moderate cyan. Relative luminance 0.121; OKLCH L 49.1% C 0.090 H 236.0°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).
Color values
| HEX | #21688D |
|---|---|
| RGB | rgb(33, 104, 141) |
| HSL | hsl(201, 62%, 34%) |
| HSV | hsv(201, 77%, 55%) |
| CMYK | cmyk(76.6%, 26.2%, 0%, 44.7%) |
| CIE-LAB | lab(41.45, -8.60, -26.59) |
| CIE-LCH | lch(41.45, 27.95, 252.09°) |
| OKLab | oklab(49.13% -0.0506 -0.075) |
| OKLCH | oklch(49.13% 0.09 236) |
| XYZ | xyz(10.3833, 12.1458, 26.9913) |
| Luminance | 0.1215 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Peacock Blue
#016795
ΔE00 2.07
Ugly Blue
#31668A
ΔE00 2.23
Ocean Blue (survey)
#03719C
ΔE00 3.55
Sea Blue
#047495
ΔE00 5.49
Muted Blue
#3B719F
ΔE00 5.67
Denim (survey)
#3B638C
ΔE00 5.82
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#21688D #8D4621
analogous
#218D7C #21688D #21328D
triadic
#21688D #8D2168 #688D21
tetradic
#21688D #7C218D #8D4621 #328D21
square
#21688D #7C218D #8D4621 #328D21
split-complementary
#21688D #8D2132 #8D7C21
monochromatic
#0A1F2A #15435B #21688D #2D8DBF #52A9D6
Accessibility & contrast
On white
6.12
#21688D on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.43
#21688D on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #21688D
6.12:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##21688D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##21688D | 1.00 | 6.12 | 3.43 | 6.12 |
| #FFFFFF | 6.12 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.43 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.12 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#56678F
Deuteranopia (green-blind)
#485D8C
Tritanopia (blue-blind)
#007275
Achromatopsia (no color)
#626262
Design tokens & code
CSS
--color: #21688d; /* rgb */ color: rgb(33, 104, 141); /* oklch */ color: oklch(49.1% 0.090 236.0);
Tailwind
colors: {
custom: {
50: '#6d93ae',
500: '#21688d',
950: '#000000',
},
}SCSS
$custom: #21688d; $custom-light: #6d93ae; $custom-dark: #000000;
JSON
{
"hex": "#21688d",
"rgb": {
"r": 33,
"g": 104,
"b": 141
},
"hsl": {
"h": 200.556,
"s": 62.069,
"l": 34.118
},
"oklch": {
"l": 0.49128,
"c": 0.09046,
"h": 236
},
"luminance": 0.12147
}Semantic roles & 50–950 ramp
primary
#21688D
secondary
#BA7450
accent
#7A43E5
background
#F7F9FA
surface
#EDF1F4
border
#C8CBCE
text
#080D10
muted
#7B7E7F