#1D299F#1D299F
#1D299F is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.8% C 0.186 H 269.0°. Best body text is #FFFFFF at 11.23:1 contrast (WCAG AA passes).
Color values
| HEX | #1D299F |
|---|---|
| RGB | rgb(29, 41, 159) |
| HSL | hsl(234, 69%, 37%) |
| HSV | hsv(234, 82%, 62%) |
| CMYK | cmyk(81.8%, 74.2%, 0%, 37.6%) |
| CIE-LAB | lab(24.79, 39.15, -64.33) |
| CIE-LCH | lch(24.79, 75.30, 301.32°) |
| OKLab | oklab(36.79% -0.0031 -0.1864) |
| OKLCH | oklch(36.79% 0.186 269) |
| XYZ | xyz(7.5555, 4.3494, 33.2355) |
| Luminance | 0.0435 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 4.31
Royal
#0C1793
ΔE00 4.41
Indigo Blue
#3A18B1
ΔE00 5.31
Cobalt Blue
#030AA7
ΔE00 5.68
Royal Blue (survey)
#0504AA
ΔE00 6.23
Ultramarine
#2000B1
ΔE00 6.54
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1D299F #9F931D
analogous
#1D6A9F #1D299F #521D9F
triadic
#1D299F #9F1D29 #299F1D
tetradic
#1D299F #9F1D6A #9F931D #1D9F52
square
#1D299F #9F1D6A #9F931D #1D9F52
split-complementary
#1D299F #9F521D #6A9F1D
monochromatic
#0A0E37 #141C6B #1D299F #2636D3 #5663E0
Accessibility & contrast
On white
11.23
#1D299F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.87
#1D299F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1D299F
11.23:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1D299F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1D299F | 1.00 | 11.23 | 1.87 | 11.23 |
| #FFFFFF | 11.23 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.87 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 11.23 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0041A2
Deuteranopia (green-blind)
#00349D
Tritanopia (blue-blind)
#004B61
Achromatopsia (no color)
#3B3B3B
Design tokens & code
CSS
--color: #1d299f; /* rgb */ color: rgb(29, 41, 159); /* oklch */ color: oklch(36.8% 0.186 269.0);
Tailwind
colors: {
custom: {
50: '#7264bd',
500: '#1d299f',
950: '#000000',
},
}SCSS
$custom: #1d299f; $custom-light: #7264bd; $custom-dark: #000000;
JSON
{
"hex": "#1d299f",
"rgb": {
"r": 29,
"g": 41,
"b": 159
},
"hsl": {
"h": 234.462,
"s": 69.149,
"l": 36.863
},
"oklch": {
"l": 0.36791,
"c": 0.18641,
"h": 269
},
"luminance": 0.0435
}Semantic roles & 50–950 ramp
primary
#1D299F
secondary
#C4B954
accent
#DC3CEC
background
#F7F6FB
surface
#EEEBF7
border
#C9C6D0
text
#090512
muted
#7B7A81