#1D417B#1D417B
#1D417B is a dark, moderate blue. Relative luminance 0.055; OKLCH L 38.2% C 0.107 H 259.6°. Best body text is #FFFFFF at 10.03:1 contrast (WCAG AA passes).
Color values
| HEX | #1D417B |
|---|---|
| RGB | rgb(29, 65, 123) |
| HSL | hsl(217, 62%, 30%) |
| HSV | hsv(217, 76%, 48%) |
| CMYK | cmyk(76.4%, 47.2%, 0%, 51.8%) |
| CIE-LAB | lab(28.04, 8.95, -36.76) |
| CIE-LCH | lch(28.04, 37.84, 283.68°) |
| OKLab | oklab(38.24% -0.0194 -0.1053) |
| OKLCH | oklch(38.24% 0.107 259.6) |
| XYZ | xyz(5.9708, 5.4712, 19.4764) |
| Luminance | 0.0547 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Darkish Blue
#014182
ΔE00 2.14
Twilight Blue
#0A437A
ΔE00 2.56
Cobalt (survey)
#1E488F
ΔE00 3.26
Marine Blue
#01386A
ΔE00 3.90
Prussian Blue
#004577
ΔE00 4.22
Light Navy
#155084
ΔE00 6.04
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1D417B #7B571D
analogous
#1D707B #1D417B #281D7B
triadic
#1D417B #7B1D41 #417B1D
tetradic
#1D417B #7B1D70 #7B571D #1D7B28
square
#1D417B #7B1D70 #7B571D #1D7B28
split-complementary
#1D417B #7B281D #707B1D
monochromatic
#060D19 #112749 #1D417B #295BAD #4078D2
Accessibility & contrast
On white
10.03
#1D417B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.09
#1D417B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1D417B
10.03:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1D417B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1D417B | 1.00 | 10.03 | 2.09 | 10.03 |
| #FFFFFF | 10.03 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.09 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.03 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#23477D
Deuteranopia (green-blind)
#0F3E7A
Tritanopia (blue-blind)
#004F58
Achromatopsia (no color)
#424242
Design tokens & code
CSS
--color: #1d417b; /* rgb */ color: rgb(29, 65, 123); /* oklch */ color: oklch(38.2% 0.107 259.6);
Tailwind
colors: {
custom: {
50: '#6775a1',
500: '#1d417b',
950: '#000000',
},
}SCSS
$custom: #1d417b; $custom-light: #6775a1; $custom-dark: #000000;
JSON
{
"hex": "#1d417b",
"rgb": {
"r": 29,
"g": 65,
"b": 123
},
"hsl": {
"h": 217.021,
"s": 61.842,
"l": 29.804
},
"oklch": {
"l": 0.3824,
"c": 0.10711,
"h": 259.6
},
"luminance": 0.05472
}Semantic roles & 50–950 ramp
primary
#1D417B
secondary
#AF8645
accent
#A743E5
background
#F6F7FA
surface
#EBEDF3
border
#C6C8CD
text
#07080F
muted
#7A7B7F