#1D4E9D#1D4E9D
#1D4E9D is a dark, vivid blue. Relative luminance 0.081; OKLCH L 43.8% C 0.139 H 259.7°. Best body text is #FFFFFF at 7.99:1 contrast (WCAG AA passes).
Color values
| HEX | #1D4E9D |
|---|---|
| RGB | rgb(29, 78, 157) |
| HSL | hsl(217, 69%, 36%) |
| HSV | hsv(217, 82%, 62%) |
| CMYK | cmyk(81.5%, 50.3%, 0%, 38.4%) |
| CIE-LAB | lab(34.28, 13.80, -47.62) |
| CIE-LCH | lch(34.28, 49.58, 286.16°) |
| OKLab | oklab(43.79% -0.0248 -0.137) |
| OKLCH | oklch(43.79% 0.139 259.7) |
| XYZ | xyz(9.3147, 8.1432, 32.9726) |
| Luminance | 0.0814 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 2.51
Dusk Blue
#26538D
ΔE00 2.84
Cobalt
#0047AB
ΔE00 3.09
Sapphire
#0F52BA
ΔE00 3.75
Light Navy
#155084
ΔE00 4.41
Denim Blue
#3B5B92
ΔE00 4.92
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1D4E9D #9D6C1D
analogous
#1D8E9D #1D4E9D #2C1D9D
triadic
#1D4E9D #9D1D4E #4E9D1D
tetradic
#1D4E9D #9D1D8E #9D6C1D #1D9D2C
square
#1D4E9D #9D1D8E #9D6C1D #1D9D2C
split-complementary
#1D4E9D #9D2C1D #8E9D1D
monochromatic
#0A1B36 #133469 #1D4E9D #2768D1 #558AE0
Accessibility & contrast
On white
7.99
#1D4E9D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.63
#1D4E9D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1D4E9D
7.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1D4E9D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1D4E9D | 1.00 | 7.99 | 2.63 | 7.99 |
| #FFFFFF | 7.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.63 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#1E57A0
Deuteranopia (green-blind)
#004B9B
Tritanopia (blue-blind)
#00616E
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #1d4e9d; /* rgb */ color: rgb(29, 78, 157); /* oklch */ color: oklch(43.8% 0.139 259.7);
Tailwind
colors: {
custom: {
50: '#6f7eba',
500: '#1d4e9d',
950: '#000000',
},
}SCSS
$custom: #1d4e9d; $custom-light: #6f7eba; $custom-dark: #000000;
JSON
{
"hex": "#1d4e9d",
"rgb": {
"r": 29,
"g": 78,
"b": 157
},
"hsl": {
"h": 217.031,
"s": 68.817,
"l": 36.471
},
"oklch": {
"l": 0.43789,
"c": 0.13925,
"h": 259.7
},
"luminance": 0.08144
}Semantic roles & 50–950 ramp
primary
#1D4E9D
secondary
#C39853
accent
#A83CEC
background
#F7F7FB
surface
#EDEEF6
border
#C8C9D0
text
#090A12
muted
#7B7C81