#31719F#31719F
#31719F is a mid, moderate cyan. Relative luminance 0.150; OKLCH L 52.8% C 0.098 H 243.0°. Best body text is #FFFFFF at 5.26:1 contrast (WCAG AA passes).
Color values
| HEX | #31719F |
|---|---|
| RGB | rgb(49, 113, 159) |
| HSL | hsl(205, 53%, 41%) |
| HSV | hsv(205, 69%, 62%) |
| CMYK | cmyk(69.2%, 28.9%, 0%, 37.6%) |
| CIE-LAB | lab(45.59, -5.05, -30.79) |
| CIE-LCH | lch(45.59, 31.20, 260.69°) |
| OKLab | oklab(52.83% -0.0443 -0.0869) |
| OKLCH | oklch(52.83% 0.098 243) |
| XYZ | xyz(13.4274, 14.9650, 34.9751) |
| Luminance | 0.1497 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Muted Blue
#3B719F
ΔE00 1.53
Flat Blue
#3C73A8
ΔE00 2.75
Dull Blue
#49759C
ΔE00 3.31
Ocean Blue (survey)
#03719C
ΔE00 3.98
Bluish
#2976BB
ΔE00 4.05
Nice Blue
#107AB0
ΔE00 4.13
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#31719F #9F5F31
analogous
#319F96 #31719F #313A9F
triadic
#31719F #9F3171 #719F31
tetradic
#31719F #96319F #9F5F31 #3A9F31
square
#31719F #96319F #9F5F31 #3A9F31
split-complementary
#31719F #9F313A #9F9631
monochromatic
#142F41 #235070 #31719F #4791C6 #76ADD5
Accessibility & contrast
On white
5.26
#31719F on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.99
#31719F on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #31719F
5.26:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##31719F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##31719F | 1.00 | 5.26 | 3.99 | 5.26 |
| #FFFFFF | 5.26 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.99 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.26 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5C72A1
Deuteranopia (green-blind)
#4D679E
Tritanopia (blue-blind)
#007C81
Achromatopsia (no color)
#6C6C6C
Design tokens & code
CSS
--color: #31719f; /* rgb */ color: rgb(49, 113, 159); /* oklch */ color: oklch(52.8% 0.098 243.0);
Tailwind
colors: {
custom: {
50: '#7699bb',
500: '#31719f',
950: '#000000',
},
}SCSS
$custom: #31719f; $custom-light: #7699bb; $custom-dark: #000000;
JSON
{
"hex": "#31719f",
"rgb": {
"r": 49,
"g": 113,
"b": 159
},
"hsl": {
"h": 205.091,
"s": 52.885,
"l": 40.784
},
"oklch": {
"l": 0.52827,
"c": 0.09754,
"h": 243
},
"luminance": 0.14966
}Semantic roles & 50–950 ramp
primary
#31719F
secondary
#BD906F
accent
#884CDC
background
#F7F9FB
surface
#EEF2F6
border
#C9CCD0
text
#090D12
muted
#7B7E81