#1D4B82#1D4B82
#1D4B82 is a dark, moderate cyan. Relative luminance 0.069; OKLCH L 41.1% C 0.105 H 254.9°. Best body text is #FFFFFF at 8.82:1 contrast (WCAG AA passes).
Color values
| HEX | #1D4B82 |
|---|---|
| RGB | rgb(29, 75, 130) |
| HSL | hsl(213, 64%, 31%) |
| HSV | hsv(213, 78%, 51%) |
| CMYK | cmyk(77.7%, 42.3%, 0%, 49%) |
| CIE-LAB | lab(31.59, 4.97, -35.45) |
| CIE-LCH | lch(31.59, 35.79, 277.97°) |
| OKLab | oklab(41.14% -0.0274 -0.1013) |
| OKLCH | oklch(41.14% 0.105 254.9) |
| XYZ | xyz(7.0505, 6.9043, 22.0758) |
| Luminance | 0.0691 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Light Navy
#155084
ΔE00 2.50
Cobalt (survey)
#1E488F
ΔE00 2.61
Twilight Blue
#0A437A
ΔE00 2.73
Dusk Blue
#26538D
ΔE00 2.81
Prussian Blue
#004577
ΔE00 3.11
Darkish Blue
#014182
ΔE00 3.25
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1D4B82 #82541D
analogous
#1D7D82 #1D4B82 #211D82
triadic
#1D4B82 #821D4B #4B821D
tetradic
#1D4B82 #821D7D #82541D #1D8221
square
#1D4B82 #821D7D #82541D #1D8221
split-complementary
#1D4B82 #82211D #7D821D
monochromatic
#07111E #122E50 #1D4B82 #2868B4 #4486D5
Accessibility & contrast
On white
8.82
#1D4B82 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.38
#1D4B82 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1D4B82
8.82:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1D4B82 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1D4B82 | 1.00 | 8.82 | 2.38 | 8.82 |
| #FFFFFF | 8.82 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.38 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.82 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#314F84
Deuteranopia (green-blind)
#204681
Tritanopia (blue-blind)
#005860
Achromatopsia (no color)
#4A4A4A
Design tokens & code
CSS
--color: #1d4b82; /* rgb */ color: rgb(29, 75, 130); /* oklch */ color: oklch(41.1% 0.105 254.9);
Tailwind
colors: {
custom: {
50: '#687ca7',
500: '#1d4b82',
950: '#000000',
},
}SCSS
$custom: #1d4b82; $custom-light: #687ca7; $custom-dark: #000000;
JSON
{
"hex": "#1d4b82",
"rgb": {
"r": 29,
"g": 75,
"b": 130
},
"hsl": {
"h": 212.673,
"s": 63.522,
"l": 31.176
},
"oklch": {
"l": 0.41136,
"c": 0.10493,
"h": 254.9
},
"luminance": 0.06905
}Semantic roles & 50–950 ramp
primary
#1D4B82
secondary
#B58246
accent
#9B41E7
background
#F6F7FA
surface
#EBEEF4
border
#C6C9CE
text
#07090F
muted
#7A7B7F