#1F1369#1F1369
#1F1369 is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.6% C 0.139 H 278.4°. Best body text is #FFFFFF at 15.49:1 contrast (WCAG AA passes).
Color values
| HEX | #1F1369 |
|---|---|
| RGB | rgb(31, 19, 105) |
| HSL | hsl(248, 69%, 24%) |
| HSV | hsv(248, 82%, 41%) |
| CMYK | cmyk(70.5%, 81.9%, 0%, 58.8%) |
| CIE-LAB | lab(14.27, 33.42, -47.61) |
| CIE-LCH | lch(14.27, 58.17, 305.06°) |
| OKLab | oklab(27.57% 0.0204 -0.1375) |
| OKLCH | oklch(27.57% 0.139 278.4) |
| XYZ | xyz(3.3469, 1.7767, 13.5284) |
| Luminance | 0.0178 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Midnight Blue
#191970
ΔE00 2.06
Darkblue (survey)
#030764
ΔE00 3.22
Dark Royal Blue
#02066F
ΔE00 3.48
Dark Indigo
#1F0954
ΔE00 4.03
Deep Blue
#040273
ΔE00 4.14
Dark Blue
#00035B
ΔE00 4.39
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F1369 #5D6913
analogous
#133269 #1F1369 #4A1369
triadic
#1F1369 #691F13 #13691F
tetradic
#1F1369 #691332 #5D6913 #13694A
square
#1F1369 #691332 #5D6913 #13694A
split-complementary
#1F1369 #694A13 #326913
monochromatic
#08051A #100A35 #1F1369 #2E1C9D #3E26D1
Accessibility & contrast
On white
15.49
#1F1369 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.36
#1F1369 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1F1369
15.49:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F1369 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F1369 | 1.00 | 15.49 | 1.36 | 15.49 |
| #FFFFFF | 15.49 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.36 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 15.49 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#00276B
Deuteranopia (green-blind)
#002167
Tritanopia (blue-blind)
#002D3E
Achromatopsia (no color)
#242424
Design tokens & code
CSS
--color: #1f1369; /* rgb */ color: rgb(31, 19, 105); /* oklch */ color: oklch(27.6% 0.139 278.4);
Tailwind
colors: {
custom: {
50: '#675395',
500: '#1f1369',
950: '#000000',
},
}SCSS
$custom: #1f1369; $custom-light: #675395; $custom-dark: #000000;
JSON
{
"hex": "#1f1369",
"rgb": {
"r": 31,
"g": 19,
"b": 105
},
"hsl": {
"h": 248.372,
"s": 69.355,
"l": 24.314
},
"oklch": {
"l": 0.27571,
"c": 0.13902,
"h": 278.4
},
"luminance": 0.01777
}Semantic roles & 50–950 ramp
primary
#1F1369
secondary
#92A038
accent
#EC3CD4
background
#F6F4F9
surface
#EBE7F2
border
#C6C3CC
text
#07020D
muted
#7A787E