#1D3D7D#1D3D7D
#1D3D7D is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.5% C 0.115 H 262.3°. Best body text is #FFFFFF at 10.42:1 contrast (WCAG AA passes).
Color values
| HEX | #1D3D7D |
|---|---|
| RGB | rgb(29, 61, 125) |
| HSL | hsl(220, 62%, 30%) |
| HSV | hsv(220, 77%, 49%) |
| CMYK | cmyk(76.8%, 51.2%, 0%, 51%) |
| CIE-LAB | lab(26.96, 12.54, -39.75) |
| CIE-LCH | lch(26.96, 41.69, 287.51°) |
| OKLab | oklab(37.46% -0.0154 -0.1142) |
| OKLCH | oklch(37.46% 0.115 262.3) |
| XYZ | xyz(5.8758, 5.0787, 20.0687) |
| Luminance | 0.0508 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Darkish Blue
#014182
ΔE00 3.15
Twilight Blue
#0A437A
ΔE00 3.98
Cobalt (survey)
#1E488F
ΔE00 4.08
Marine Blue
#01386A
ΔE00 4.12
Prussian Blue
#004577
ΔE00 5.63
Marine
#042E60
ΔE00 5.75
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1D3D7D #7D5D1D
analogous
#1D6D7D #1D3D7D #2D1D7D
triadic
#1D3D7D #7D1D3D #3D7D1D
tetradic
#1D3D7D #7D1D6D #7D5D1D #1D7D2D
square
#1D3D7D #7D1D6D #7D5D1D #1D7D2D
split-complementary
#1D3D7D #7D2D1D #6D7D1D
monochromatic
#060D1A #11254B #1D3D7D #2955AF #4172D3
Accessibility & contrast
On white
10.42
#1D3D7D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.02
#1D3D7D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1D3D7D
10.42:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1D3D7D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1D3D7D | 1.00 | 10.42 | 2.02 | 10.42 |
| #FFFFFF | 10.42 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.02 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.42 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#18447F
Deuteranopia (green-blind)
#003C7C
Tritanopia (blue-blind)
#004C57
Achromatopsia (no color)
#404040
Design tokens & code
CSS
--color: #1d3d7d; /* rgb */ color: rgb(29, 61, 125); /* oklch */ color: oklch(37.5% 0.115 262.3);
Tailwind
colors: {
custom: {
50: '#6872a3',
500: '#1d3d7d',
950: '#000000',
},
}SCSS
$custom: #1d3d7d; $custom-light: #6872a3; $custom-dark: #000000;
JSON
{
"hex": "#1d3d7d",
"rgb": {
"r": 29,
"g": 61,
"b": 125
},
"hsl": {
"h": 220,
"s": 62.338,
"l": 30.196
},
"oklch": {
"l": 0.37456,
"c": 0.11525,
"h": 262.3
},
"luminance": 0.05079
}Semantic roles & 50–950 ramp
primary
#1D3D7D
secondary
#B18D45
accent
#AF42E5
background
#F6F6FA
surface
#EBECF4
border
#C6C7CE
text
#07070F
muted
#7A7A7F