#1D439E#1D439E
#1D439E is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.5% C 0.155 H 263.8°. Best body text is #FFFFFF at 8.94:1 contrast (WCAG AA passes).
Color values
| HEX | #1D439E |
|---|---|
| RGB | rgb(29, 67, 158) |
| HSL | hsl(222, 69%, 37%) |
| HSV | hsv(222, 82%, 62%) |
| CMYK | cmyk(81.6%, 57.6%, 0%, 38%) |
| CIE-LAB | lab(31.21, 21.68, -53.19) |
| CIE-LCH | lch(31.21, 57.44, 292.18°) |
| OKLab | oklab(41.48% -0.0167 -0.1536) |
| OKLCH | oklch(41.48% 0.155 263.8) |
| XYZ | xyz(8.6832, 6.7431, 33.1850) |
| Luminance | 0.0674 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 2.41
Cobalt (survey)
#1E488F
ΔE00 3.26
Sapphire (survey)
#2138AB
ΔE00 4.69
Darkish Blue
#014182
ΔE00 5.11
Sapphire
#0F52BA
ΔE00 5.86
Blue Blue
#2242C7
ΔE00 6.07
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1D439E #9E781D
analogous
#1D849E #1D439E #381D9E
triadic
#1D439E #9E1D43 #439E1D
tetradic
#1D439E #9E1D84 #9E781D #1D9E38
square
#1D439E #9E1D84 #9E781D #1D9E38
split-complementary
#1D439E #9E381D #849E1D
monochromatic
#0A1737 #142D6A #1D439E #2659D2 #567EE0
Accessibility & contrast
On white
8.94
#1D439E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.35
#1D439E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1D439E
8.94:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1D439E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1D439E | 1.00 | 8.94 | 2.35 | 8.94 |
| #FFFFFF | 8.94 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.35 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.94 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0050A1
Deuteranopia (green-blind)
#00449C
Tritanopia (blue-blind)
#005A6A
Achromatopsia (no color)
#494949
Design tokens & code
CSS
--color: #1d439e; /* rgb */ color: rgb(29, 67, 158); /* oklch */ color: oklch(41.5% 0.155 263.8);
Tailwind
colors: {
custom: {
50: '#7076bb',
500: '#1d439e',
950: '#000000',
},
}SCSS
$custom: #1d439e; $custom-light: #7076bb; $custom-dark: #000000;
JSON
{
"hex": "#1d439e",
"rgb": {
"r": 29,
"g": 67,
"b": 158
},
"hsl": {
"h": 222.326,
"s": 68.984,
"l": 36.667
},
"oklch": {
"l": 0.41483,
"c": 0.15453,
"h": 263.8
},
"luminance": 0.06744
}Semantic roles & 50–950 ramp
primary
#1D439E
secondary
#C3A254
accent
#B83CEC
background
#F7F7FB
surface
#EDEDF6
border
#C8C8D0
text
#090812
muted
#7B7B81