#1F4E6D#1F4E6D
#1F4E6D is a dark, moderate cyan. Relative luminance 0.068; OKLCH L 40.7% C 0.073 H 240.8°. Best body text is #FFFFFF at 8.87:1 contrast (WCAG AA passes).
Color values
| HEX | #1F4E6D |
|---|---|
| RGB | rgb(31, 78, 109) |
| HSL | hsl(204, 56%, 27%) |
| HSV | hsv(204, 72%, 43%) |
| CMYK | cmyk(71.6%, 28.4%, 0%, 57.3%) |
| CIE-LAB | lab(31.45, -4.89, -22.55) |
| CIE-LCH | lch(31.45, 23.07, 257.75°) |
| OKLab | oklab(40.66% -0.0355 -0.0635) |
| OKLCH | oklch(40.66% 0.073 240.8) |
| XYZ | xyz(6.0487, 6.8436, 15.4672) |
| Luminance | 0.0684 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Slate Blue
#214761
ΔE00 2.70
Deep Sea Blue
#015482
ΔE00 3.85
Dark Grey Blue
#29465B
ΔE00 4.21
Light Navy
#155084
ΔE00 4.55
Prussian Blue
#004577
ΔE00 5.04
Light Navy Blue
#2E5A88
ΔE00 6.10
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F4E6D #6D3E1F
analogous
#1F6D65 #1F4E6D #1F276D
triadic
#1F4E6D #6D1F4E #4E6D1F
tetradic
#1F4E6D #651F6D #6D3E1F #276D1F
square
#1F4E6D #651F6D #6D3E1F #276D1F
split-complementary
#1F4E6D #6D1F27 #6D651F
monochromatic
#071118 #112C3D #1F4E6D #2D709D #3E91C8
Accessibility & contrast
On white
8.87
#1F4E6D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.37
#1F4E6D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1F4E6D
8.87:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F4E6D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F4E6D | 1.00 | 8.87 | 2.37 | 8.87 |
| #FFFFFF | 8.87 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.37 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.87 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#404E6E
Deuteranopia (green-blind)
#35476C
Tritanopia (blue-blind)
#005659
Achromatopsia (no color)
#4A4A4A
Design tokens & code
CSS
--color: #1f4e6d; /* rgb */ color: rgb(31, 78, 109); /* oklch */ color: oklch(40.7% 0.073 240.8);
Tailwind
colors: {
custom: {
50: '#657f97',
500: '#1f4e6d',
950: '#000000',
},
}SCSS
$custom: #1f4e6d; $custom-light: #657f97; $custom-dark: #000000;
JSON
{
"hex": "#1f4e6d",
"rgb": {
"r": 31,
"g": 78,
"b": 109
},
"hsl": {
"h": 203.846,
"s": 55.714,
"l": 27.451
},
"oklch": {
"l": 0.40664,
"c": 0.0728,
"h": 240.8
},
"luminance": 0.06844
}Semantic roles & 50–950 ramp
primary
#1F4E6D
secondary
#A16B47
accent
#8449DF
background
#F6F7F9
surface
#EBEEF2
border
#C6C9CC
text
#060A0D
muted
#7A7C7E