#1F647D#1F647D
#1F647D is a mid, moderate cyan. Relative luminance 0.109; OKLCH L 47.2% C 0.078 H 226.5°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).
Color values
| HEX | #1F647D |
|---|---|
| RGB | rgb(31, 100, 125) |
| HSL | hsl(196, 60%, 31%) |
| HSV | hsv(196, 75%, 49%) |
| CMYK | cmyk(75.2%, 20%, 0%, 51%) |
| CIE-LAB | lab(39.39, -12.35, -20.12) |
| CIE-LCH | lch(39.39, 23.61, 238.47°) |
| OKLab | oklab(47.23% -0.0536 -0.0564) |
| OKLCH | oklch(47.23% 0.078 226.5) |
| XYZ | xyz(8.8224, 10.8853, 21.0342) |
| Luminance | 0.1089 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Ugly Blue
#31668A
ΔE00 5.85
Sea Blue
#047495
ΔE00 5.95
Peacock Blue
#016795
ΔE00 6.41
Ocean Blue (survey)
#03719C
ΔE00 6.81
Petrol
#005F6A
ΔE00 7.46
Slate
#516572
ΔE00 8.64
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F647D #7D381F
analogous
#1F7D67 #1F647D #1F357D
triadic
#1F647D #7D1F64 #647D1F
tetradic
#1F647D #671F7D #7D381F #357D1F
square
#1F647D #671F7D #7D381F #357D1F
split-complementary
#1F647D #7D1F35 #7D671F
monochromatic
#07161B #133D4C #1F647D #2B8BAE #45ACD1
Accessibility & contrast
On white
6.61
#1F647D on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.18
#1F647D on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #1F647D
6.61:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F647D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F647D | 1.00 | 6.61 | 3.18 | 6.61 |
| #FFFFFF | 6.61 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.18 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.61 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#57627E
Deuteranopia (green-blind)
#4A597D
Tritanopia (blue-blind)
#006B6C
Achromatopsia (no color)
#5D5D5D
Design tokens & code
CSS
--color: #1f647d; /* rgb */ color: rgb(31, 100, 125); /* oklch */ color: oklch(47.2% 0.078 226.5);
Tailwind
colors: {
custom: {
50: '#6990a2',
500: '#1f647d',
950: '#000000',
},
}SCSS
$custom: #1f647d; $custom-light: #6990a2; $custom-dark: #000000;
JSON
{
"hex": "#1f647d",
"rgb": {
"r": 31,
"g": 100,
"b": 125
},
"hsl": {
"h": 195.957,
"s": 60.256,
"l": 30.588
},
"oklch": {
"l": 0.47231,
"c": 0.07779,
"h": 226.5
},
"luminance": 0.10886
}Semantic roles & 50–950 ramp
primary
#1F647D
secondary
#B06348
accent
#6F44E3
background
#F6F8FA
surface
#ECF0F3
border
#C7CBCD
text
#070C0F
muted
#7A7D7F