#31699F#31699F
#31699F is a mid, moderate cyan. Relative luminance 0.133; OKLCH L 50.9% C 0.104 H 249.9°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).
Color values
| HEX | #31699F |
|---|---|
| RGB | rgb(49, 105, 159) |
| HSL | hsl(209, 53%, 41%) |
| HSV | hsv(209, 69%, 62%) |
| CMYK | cmyk(69.2%, 34%, 0%, 37.6%) |
| CIE-LAB | lab(43.15, -0.19, -34.62) |
| CIE-LCH | lch(43.15, 34.62, 269.69°) |
| OKLab | oklab(50.91% -0.0359 -0.0981) |
| OKLCH | oklch(50.91% 0.104 249.9) |
| XYZ | xyz(12.5739, 13.2580, 34.6906) |
| Luminance | 0.1326 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Mid Blue
#276AB3
ΔE00 2.25
Muted Blue
#3B719F
ΔE00 3.10
Denim (survey)
#3B638C
ΔE00 3.34
Medium Blue
#2C6FBB
ΔE00 3.71
Flat Blue
#3C73A8
ΔE00 3.72
French Blue
#436BAD
ΔE00 4.02
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#31699F #9F6731
analogous
#319F9E #31699F #31329F
triadic
#31699F #9F3169 #699F31
tetradic
#31699F #9E319F #9F6731 #329F31
square
#31699F #9E319F #9F6731 #329F31
split-complementary
#31699F #9F3132 #9F9E31
monochromatic
#142B41 #234A70 #31699F #4788C6 #76A6D5
Accessibility & contrast
On white
5.75
#31699F on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.65
#31699F on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #31699F
5.75:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##31699F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##31699F | 1.00 | 5.75 | 3.65 | 5.75 |
| #FFFFFF | 5.75 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.65 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.75 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#516CA1
Deuteranopia (green-blind)
#42619E
Tritanopia (blue-blind)
#00767C
Achromatopsia (no color)
#666666
Design tokens & code
CSS
--color: #31699f; /* rgb */ color: rgb(49, 105, 159); /* oklch */ color: oklch(50.9% 0.104 249.9);
Tailwind
colors: {
custom: {
50: '#7693bb',
500: '#31699f',
950: '#000000',
},
}SCSS
$custom: #31699f; $custom-light: #7693bb; $custom-dark: #000000;
JSON
{
"hex": "#31699f",
"rgb": {
"r": 49,
"g": 105,
"b": 159
},
"hsl": {
"h": 209.455,
"s": 52.885,
"l": 40.784
},
"oklch": {
"l": 0.50907,
"c": 0.10449,
"h": 249.9
},
"luminance": 0.13259
}Semantic roles & 50–950 ramp
primary
#31699F
secondary
#BD956F
accent
#934CDC
background
#F7F9FB
surface
#EEF1F6
border
#C9CBD0
text
#090D12
muted
#7B7E81