#1F1F95#1F1F95
#1F1F95 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.3% C 0.183 H 271.3°. Best body text is #FFFFFF at 12.44:1 contrast (WCAG AA passes).
Color values
| HEX | #1F1F95 |
|---|---|
| RGB | rgb(31, 31, 149) |
| HSL | hsl(240, 66%, 35%) |
| HSV | hsv(240, 79%, 58%) |
| CMYK | cmyk(79.2%, 79.2%, 0%, 41.6%) |
| CIE-LAB | lab(21.73, 41.62, -63.26) |
| CIE-LCH | lch(21.73, 75.72, 303.34°) |
| OKLab | oklab(34.31% 0.0043 -0.1831) |
| OKLCH | oklch(34.31% 0.183 271.3) |
| XYZ | xyz(6.4780, 3.4405, 28.7506) |
| Luminance | 0.0344 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Royal
#0C1793
ΔE00 1.94
Cobalt Blue
#030AA7
ΔE00 4.03
Royal Blue (survey)
#0504AA
ΔE00 4.62
Indigo Blue
#3A18B1
ΔE00 5.04
Ultramarine
#2000B1
ΔE00 5.27
Darkblue
#00008B
ΔE00 5.50
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F1F95 #95951F
analogous
#1F5A95 #1F1F95 #5A1F95
triadic
#1F1F95 #951F1F #1F951F
tetradic
#1F1F95 #951F5A #95951F #1F955A
square
#1F1F95 #951F5A #95951F #1F955A
split-complementary
#1F1F95 #955A1F #5A951F
monochromatic
#0A0A30 #141462 #1F1F95 #2A2AC8 #5353DB
Accessibility & contrast
On white
12.44
#1F1F95 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.69
#1F1F95 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1F1F95
12.44:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F1F95 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F1F95 | 1.00 | 12.44 | 1.69 | 12.44 |
| #FFFFFF | 12.44 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.69 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 12.44 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#003A98
Deuteranopia (green-blind)
#002E93
Tritanopia (blue-blind)
#004359
Achromatopsia (no color)
#343434
Design tokens & code
CSS
--color: #1f1f95; /* rgb */ color: rgb(31, 31, 149); /* oklch */ color: oklch(34.3% 0.183 271.3);
Tailwind
colors: {
custom: {
50: '#715db5',
500: '#1f1f95',
950: '#000000',
},
}SCSS
$custom: #1f1f95; $custom-light: #715db5; $custom-dark: #000000;
JSON
{
"hex": "#1f1f95",
"rgb": {
"r": 31,
"g": 31,
"b": 149
},
"hsl": {
"h": 240,
"s": 65.556,
"l": 35.294
},
"oklch": {
"l": 0.34314,
"c": 0.1832,
"h": 271.3
},
"luminance": 0.03441
}Semantic roles & 50–950 ramp
primary
#1F1F95
secondary
#BFBF51
accent
#E93FE9
background
#F7F5FB
surface
#EDE9F6
border
#C8C5D0
text
#090411
muted
#7B7980