#1F475C#1F475C
#1F475C is a dark, muted cyan. Relative luminance 0.056; OKLCH L 37.9% C 0.057 H 234.0°. Best body text is #FFFFFF at 9.93:1 contrast (WCAG AA passes).
Color values
| HEX | #1F475C |
|---|---|
| RGB | rgb(31, 71, 92) |
| HSL | hsl(201, 50%, 24%) |
| HSV | hsv(201, 66%, 36%) |
| CMYK | cmyk(66.3%, 22.8%, 0%, 63.9%) |
| CIE-LAB | lab(28.30, -6.79, -16.62) |
| CIE-LCH | lch(28.30, 17.95, 247.78°) |
| OKLab | oklab(37.9% -0.0337 -0.0465) |
| OKLCH | oklch(37.9% 0.057 234) |
| XYZ | xyz(4.7493, 5.5700, 10.9480) |
| Luminance | 0.0557 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Grey Blue
#29465B
ΔE00 2.57
Dark Slate Blue
#214761
ΔE00 2.70
Dark Blue Grey
#1F3B4D
ΔE00 4.28
Charcoal
#36454F
ΔE00 6.13
Prussian Blue
#004577
ΔE00 7.96
Deep Sea Blue
#015482
ΔE00 7.98
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F475C #5C341F
analogous
#1F5C53 #1F475C #1F295C
triadic
#1F475C #5C1F47 #475C1F
tetradic
#1F475C #531F5C #5C341F #295C1F
square
#1F475C #531F5C #5C341F #295C1F
split-complementary
#1F475C #5C1F29 #5C531F
monochromatic
#081217 #10242E #1F475C #2E6A8A #3E8EB8
Accessibility & contrast
On white
9.93
#1F475C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.11
#1F475C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1F475C
9.93:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F475C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F475C | 1.00 | 9.93 | 2.11 | 9.93 |
| #FFFFFF | 9.93 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.11 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.93 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3D465D
Deuteranopia (green-blind)
#34405C
Tritanopia (blue-blind)
#004D4E
Achromatopsia (no color)
#434343
Design tokens & code
CSS
--color: #1f475c; /* rgb */ color: rgb(31, 71, 92); /* oklch */ color: oklch(37.9% 0.057 234.0);
Tailwind
colors: {
custom: {
50: '#627a8a',
500: '#1f475c',
950: '#000000',
},
}SCSS
$custom: #1f475c; $custom-light: #627a8a; $custom-dark: #000000;
JSON
{
"hex": "#1f475c",
"rgb": {
"r": 31,
"g": 71,
"b": 92
},
"hsl": {
"h": 200.656,
"s": 49.593,
"l": 24.118
},
"oklch": {
"l": 0.37897,
"c": 0.05747,
"h": 234
},
"luminance": 0.0557
}Semantic roles & 50–950 ramp
primary
#1F475C
secondary
#916046
accent
#7E4FD9
background
#F6F7F8
surface
#EBEDF0
border
#C6C8CB
text
#05090B
muted
#7A7B7C