#1F1EA0#1F1EA0
#1F1EA0 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.5% C 0.197 H 270.7°. Best body text is #FFFFFF at 11.99:1 contrast (WCAG AA passes).
Color values
| HEX | #1F1EA0 |
|---|---|
| RGB | rgb(31, 30, 160) |
| HSL | hsl(240, 68%, 37%) |
| HSV | hsv(240, 81%, 63%) |
| CMYK | cmyk(80.6%, 81.3%, 0%, 37.3%) |
| CIE-LAB | lab(22.85, 45.77, -68.15) |
| CIE-LCH | lch(22.85, 82.09, 303.89°) |
| OKLab | oklab(35.48% 0.0023 -0.1973) |
| OKLCH | oklch(35.48% 0.197 270.7) |
| XYZ | xyz(7.3724, 3.7571, 33.5875) |
| Luminance | 0.0376 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Royal
#0C1793
ΔE00 2.60
Cobalt Blue
#030AA7
ΔE00 3.19
Royal Blue (survey)
#0504AA
ΔE00 3.72
Indigo Blue
#3A18B1
ΔE00 3.73
Ultramarine
#2000B1
ΔE00 4.10
True Blue
#010FCC
ΔE00 5.50
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F1EA0 #9FA01E
analogous
#1E5EA0 #1F1EA0 #601EA0
triadic
#1F1EA0 #A01F1E #1EA01F
tetradic
#1F1EA0 #A01E5E #9FA01E #1EA060
square
#1F1EA0 #A01E5E #9FA01E #1EA060
split-complementary
#1F1EA0 #A0601E #5EA01E
monochromatic
#0B0B39 #15146C #1F1EA0 #2928D4 #5A59E0
Accessibility & contrast
On white
11.99
#1F1EA0 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.75
#1F1EA0 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1F1EA0
11.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F1EA0 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F1EA0 | 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)
#003DA4
Deuteranopia (green-blind)
#00309E
Tritanopia (blue-blind)
#004760
Achromatopsia (no color)
#373737
Design tokens & code
CSS
--color: #1f1ea0; /* rgb */ color: rgb(31, 30, 160); /* oklch */ color: oklch(35.5% 0.197 270.7);
Tailwind
colors: {
custom: {
50: '#745dbd',
500: '#1f1ea0',
950: '#000000',
},
}SCSS
$custom: #1f1ea0; $custom-light: #745dbd; $custom-dark: #000000;
JSON
{
"hex": "#1f1ea0",
"rgb": {
"r": 31,
"g": 30,
"b": 160
},
"hsl": {
"h": 240.462,
"s": 68.421,
"l": 37.255
},
"oklch": {
"l": 0.3548,
"c": 0.19732,
"h": 270.7
},
"luminance": 0.03758
}Semantic roles & 50–950 ramp
primary
#1F1EA0
secondary
#C3C456
accent
#EB3DEA
background
#F7F5FB
surface
#EEE9F7
border
#C9C5D0
text
#0A0412
muted
#7C7981