#1F647E#1F647E
#1F647E is a mid, moderate cyan. Relative luminance 0.109; OKLCH L 47.3% C 0.079 H 227.5°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).
Color values
| HEX | #1F647E |
|---|---|
| RGB | rgb(31, 100, 126) |
| HSL | hsl(196, 61%, 31%) |
| HSV | hsv(196, 75%, 49%) |
| CMYK | cmyk(75.4%, 20.6%, 0%, 50.6%) |
| CIE-LAB | lab(39.43, -11.99, -20.66) |
| CIE-LCH | lch(39.43, 23.89, 239.88°) |
| OKLab | oklab(47.28% -0.0532 -0.0579) |
| OKLCH | oklch(47.28% 0.079 227.5) |
| XYZ | xyz(8.8866, 10.9110, 21.3723) |
| Luminance | 0.1091 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Ugly Blue
#31668A
ΔE00 5.46
Sea Blue
#047495
ΔE00 5.87
Peacock Blue
#016795
ΔE00 5.99
Ocean Blue (survey)
#03719C
ΔE00 6.51
Petrol
#005F6A
ΔE00 7.85
Slate
#516572
ΔE00 8.59
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F647E #7E391F
analogous
#1F7E68 #1F647E #1F347E
triadic
#1F647E #7E1F64 #647E1F
tetradic
#1F647E #681F7E #7E391F #347E1F
square
#1F647E #681F7E #7E391F #347E1F
split-complementary
#1F647E #7E1F34 #7E681F
monochromatic
#07161C #133D4D #1F647E #2B8BAF #46ABD1
Accessibility & contrast
On white
6.60
#1F647E on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.18
#1F647E on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #1F647E
6.60:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F647E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F647E | 1.00 | 6.60 | 3.18 | 6.60 |
| #FFFFFF | 6.60 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.18 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.60 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#56627F
Deuteranopia (green-blind)
#49597E
Tritanopia (blue-blind)
#006B6D
Achromatopsia (no color)
#5D5D5D
Design tokens & code
CSS
--color: #1f647e; /* rgb */ color: rgb(31, 100, 126); /* oklch */ color: oklch(47.3% 0.079 227.5);
Tailwind
colors: {
custom: {
50: '#6990a3',
500: '#1f647e',
950: '#000000',
},
}SCSS
$custom: #1f647e; $custom-light: #6990a3; $custom-dark: #000000;
JSON
{
"hex": "#1f647e",
"rgb": {
"r": 31,
"g": 100,
"b": 126
},
"hsl": {
"h": 196.421,
"s": 60.51,
"l": 30.784
},
"oklch": {
"l": 0.4728,
"c": 0.07865,
"h": 227.5
},
"luminance": 0.10912
}Semantic roles & 50–950 ramp
primary
#1F647E
secondary
#B16548
accent
#7044E4
background
#F6F8FA
surface
#ECF0F3
border
#C7CBCD
text
#070C0F
muted
#7A7D7F