#1F2790#1F2790
#1F2790 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.9% C 0.169 H 270.6°. Best body text is #FFFFFF at 11.99:1 contrast (WCAG AA passes).
Color values
| HEX | #1F2790 |
|---|---|
| RGB | rgb(31, 39, 144) |
| HSL | hsl(236, 65%, 34%) |
| HSV | hsv(236, 78%, 56%) |
| CMYK | cmyk(78.5%, 72.9%, 0%, 43.5%) |
| CIE-LAB | lab(22.85, 35.16, -58.32) |
| CIE-LCH | lch(22.85, 68.10, 301.08°) |
| OKLab | oklab(34.94% 0.0018 -0.1689) |
| OKLCH | oklch(34.94% 0.169 270.6) |
| XYZ | xyz(6.3229, 3.7553, 26.7718) |
| Luminance | 0.0376 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Royal
#0C1793
ΔE00 3.84
Midnight Blue
#191970
ΔE00 5.65
Sapphire (survey)
#2138AB
ΔE00 5.74
Cobalt Blue
#030AA7
ΔE00 6.16
Indigo Blue
#3A18B1
ΔE00 6.55
Royal Blue (survey)
#0504AA
ΔE00 6.77
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F2790 #90881F
analogous
#1F6090 #1F2790 #501F90
triadic
#1F2790 #901F27 #27901F
tetradic
#1F2790 #901F60 #90881F #1F9050
square
#1F2790 #901F60 #90881F #1F9050
split-complementary
#1F2790 #90501F #60901F
monochromatic
#090C2B #14195E #1F2790 #2A35C2 #505AD9
Accessibility & contrast
On white
11.99
#1F2790 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.75
#1F2790 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1F2790
11.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F2790 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F2790 | 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)
#003C93
Deuteranopia (green-blind)
#00318E
Tritanopia (blue-blind)
#004559
Achromatopsia (no color)
#373737
Design tokens & code
CSS
--color: #1f2790; /* rgb */ color: rgb(31, 39, 144); /* oklch */ color: oklch(34.9% 0.169 270.6);
Tailwind
colors: {
custom: {
50: '#6f62b2',
500: '#1f2790',
950: '#000000',
},
}SCSS
$custom: #1f2790; $custom-light: #6f62b2; $custom-dark: #000000;
JSON
{
"hex": "#1f2790",
"rgb": {
"r": 31,
"g": 39,
"b": 144
},
"hsl": {
"h": 235.752,
"s": 64.571,
"l": 34.314
},
"oklch": {
"l": 0.34944,
"c": 0.16887,
"h": 270.6
},
"luminance": 0.03756
}Semantic roles & 50–950 ramp
primary
#1F2790
secondary
#BCB54E
accent
#DC40E8
background
#F7F5FB
surface
#EDEAF6
border
#C8C6D0
text
#090511
muted
#7B7980