#21679E#21679E
#21679E is a mid, moderate cyan. Relative luminance 0.125; OKLCH L 49.8% C 0.111 H 246.6°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).
Color values
| HEX | #21679E |
|---|---|
| RGB | rgb(33, 103, 158) |
| HSL | hsl(206, 65%, 37%) |
| HSV | hsv(206, 79%, 62%) |
| CMYK | cmyk(79.1%, 34.8%, 0%, 38%) |
| CIE-LAB | lab(41.99, -1.59, -35.89) |
| CIE-LCH | lch(41.99, 35.93, 267.46°) |
| OKLab | oklab(49.83% -0.0441 -0.1021) |
| OKLCH | oklch(49.83% 0.111 246.6) |
| XYZ | xyz(11.6466, 12.4911, 34.1383) |
| Luminance | 0.1249 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Mid Blue
#276AB3
ΔE00 3.32
Ugly Blue
#31668A
ΔE00 3.55
Peacock Blue
#016795
ΔE00 3.73
Denim (survey)
#3B638C
ΔE00 3.85
Muted Blue
#3B719F
ΔE00 4.01
Medium Blue
#2C6FBB
ΔE00 4.84
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#21679E #9E5821
analogous
#219E97 #21679E #21299E
triadic
#21679E #9E2167 #679E21
tetradic
#21679E #97219E #9E5821 #299E21
square
#21679E #97219E #9E5821 #299E21
split-complementary
#21679E #9E2129 #9E9721
monochromatic
#0C2539 #16466B #21679E #2C88D1 #5CA4DD
Accessibility & contrast
On white
6.00
#21679E on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.50
#21679E on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #21679E
6.00:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##21679E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##21679E | 1.00 | 6.00 | 3.50 | 6.00 |
| #FFFFFF | 6.00 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.50 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.00 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4D69A0
Deuteranopia (green-blind)
#3B5E9D
Tritanopia (blue-blind)
#00747B
Achromatopsia (no color)
#636363
Design tokens & code
CSS
--color: #21679e; /* rgb */ color: rgb(33, 103, 158); /* oklch */ color: oklch(49.8% 0.111 246.6);
Tailwind
colors: {
custom: {
50: '#7092bb',
500: '#21679e',
950: '#000000',
},
}SCSS
$custom: #21679e; $custom-light: #7092bb; $custom-dark: #000000;
JSON
{
"hex": "#21679e",
"rgb": {
"r": 33,
"g": 103,
"b": 158
},
"hsl": {
"h": 206.4,
"s": 65.445,
"l": 37.451
},
"oklch": {
"l": 0.49834,
"c": 0.11117,
"h": 246.6
},
"luminance": 0.12492
}Semantic roles & 50–950 ramp
primary
#21679E
secondary
#C18759
accent
#8A3FE8
background
#F7F8FB
surface
#EDF0F6
border
#C8CBD0
text
#090C12
muted
#7B7D81