#1F668C#1F668C
#1F668C is a mid, moderate cyan. Relative luminance 0.117; OKLCH L 48.5% C 0.091 H 236.9°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).
Color values
| HEX | #1F668C |
|---|---|
| RGB | rgb(31, 102, 140) |
| HSL | hsl(201, 64%, 34%) |
| HSV | hsv(201, 78%, 55%) |
| CMYK | cmyk(77.9%, 27.1%, 0%, 45.1%) |
| CIE-LAB | lab(40.71, -8.03, -27.14) |
| CIE-LCH | lch(40.71, 28.30, 253.51°) |
| OKLab | oklab(48.51% -0.05 -0.0766) |
| OKLCH | oklch(48.51% 0.091 236.9) |
| XYZ | xyz(10.0482, 11.6863, 26.5320) |
| Luminance | 0.1169 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Peacock Blue
#016795
ΔE00 1.77
Ugly Blue
#31668A
ΔE00 1.98
Ocean Blue (survey)
#03719C
ΔE00 4.18
Denim (survey)
#3B638C
ΔE00 5.43
Muted Blue
#3B719F
ΔE00 5.91
Sea Blue
#047495
ΔE00 6.24
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F668C #8C451F
analogous
#1F8C7B #1F668C #1F308C
triadic
#1F668C #8C1F66 #668C1F
tetradic
#1F668C #7B1F8C #8C451F #308C1F
square
#1F668C #7B1F8C #8C451F #308C1F
split-complementary
#1F668C #8C1F30 #8C7B1F
monochromatic
#091D28 #14415A #1F668C #2A8BBE #4EA8D8
Accessibility & contrast
On white
6.29
#1F668C on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.34
#1F668C on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #1F668C
6.29:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F668C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F668C | 1.00 | 6.29 | 3.34 | 6.29 |
| #FFFFFF | 6.29 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.34 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.29 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#54668E
Deuteranopia (green-blind)
#455B8B
Tritanopia (blue-blind)
#007073
Achromatopsia (no color)
#606060
Design tokens & code
CSS
--color: #1f668c; /* rgb */ color: rgb(31, 102, 140); /* oklch */ color: oklch(48.5% 0.091 236.9);
Tailwind
colors: {
custom: {
50: '#6c91ad',
500: '#1f668c',
950: '#000000',
},
}SCSS
$custom: #1f668c; $custom-light: #6c91ad; $custom-dark: #000000;
JSON
{
"hex": "#1f668c",
"rgb": {
"r": 31,
"g": 102,
"b": 140
},
"hsl": {
"h": 200.917,
"s": 63.743,
"l": 33.529
},
"oklch": {
"l": 0.48514,
"c": 0.09146,
"h": 236.9
},
"luminance": 0.11687
}Semantic roles & 50–950 ramp
primary
#1F668C
secondary
#BB734C
accent
#7B41E7
background
#F6F8FA
surface
#ECF0F4
border
#C7CBCE
text
#080C10
muted
#7A7D7F