#1D2497#1D2497
#1D2497 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.1% C 0.181 H 270.0°. Best body text is #FFFFFF at 11.99:1 contrast (WCAG AA passes).
Color values
| HEX | #1D2497 |
|---|---|
| RGB | rgb(29, 36, 151) |
| HSL | hsl(237, 68%, 35%) |
| HSV | hsv(237, 81%, 59%) |
| CMYK | cmyk(80.8%, 76.2%, 0%, 40.8%) |
| CIE-LAB | lab(22.85, 39.31, -62.64) |
| CIE-LCH | lch(22.85, 73.95, 302.11°) |
| OKLab | oklab(35.14% -0.0001 -0.1814) |
| OKLCH | oklch(35.14% 0.181 270) |
| XYZ | xyz(6.7216, 3.7566, 29.6430) |
| Luminance | 0.0376 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Royal
#0C1793
ΔE00 2.99
Cobalt Blue
#030AA7
ΔE00 4.90
Indigo Blue
#3A18B1
ΔE00 5.38
Royal Blue (survey)
#0504AA
ΔE00 5.49
Sapphire (survey)
#2138AB
ΔE00 5.86
Ultramarine
#2000B1
ΔE00 6.05
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1D2497 #97901D
analogous
#1D6197 #1D2497 #531D97
triadic
#1D2497 #971D24 #24971D
tetradic
#1D2497 #971D61 #97901D #1D9753
square
#1D2497 #971D61 #97901D #1D9753
split-complementary
#1D2497 #97531D #61971D
monochromatic
#090C30 #131864 #1D2497 #2730CA #5159DE
Accessibility & contrast
On white
11.99
#1D2497 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.75
#1D2497 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1D2497
11.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1D2497 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1D2497 | 1.00 | 11.99 | 1.75 | 11.99 |
| #FFFFFF | 11.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.75 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 11.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#003D9A
Deuteranopia (green-blind)
#003095
Tritanopia (blue-blind)
#00465C
Achromatopsia (no color)
#373737
Design tokens & code
CSS
--color: #1d2497; /* rgb */ color: rgb(29, 36, 151); /* oklch */ color: oklch(35.1% 0.181 270.0);
Tailwind
colors: {
custom: {
50: '#7160b7',
500: '#1d2497',
950: '#000000',
},
}SCSS
$custom: #1d2497; $custom-light: #7160b7; $custom-dark: #000000;
JSON
{
"hex": "#1d2497",
"rgb": {
"r": 29,
"g": 36,
"b": 151
},
"hsl": {
"h": 236.557,
"s": 67.778,
"l": 35.294
},
"oklch": {
"l": 0.35145,
"c": 0.18145,
"h": 270
},
"luminance": 0.03757
}Semantic roles & 50–950 ramp
primary
#1D2497
secondary
#C0BA4F
accent
#E13DEB
background
#F7F5FB
surface
#EDE9F6
border
#C8C5D0
text
#090511
muted
#7B7980