#1F1365#1F1365
#1F1365 is a dark, vivid blue. Relative luminance 0.017; OKLCH L 27.1% C 0.134 H 279.3°. Best body text is #FFFFFF at 15.68:1 contrast (WCAG AA passes).
Color values
| HEX | #1F1365 |
|---|---|
| RGB | rgb(31, 19, 101) |
| HSL | hsl(249, 68%, 24%) |
| HSV | hsv(249, 81%, 40%) |
| CMYK | cmyk(69.3%, 81.2%, 0%, 60.4%) |
| CIE-LAB | lab(13.81, 32.07, -45.74) |
| CIE-LCH | lch(13.81, 55.86, 305.03°) |
| OKLab | oklab(27.11% 0.0215 -0.1321) |
| OKLCH | oklch(27.11% 0.134 279.3) |
| XYZ | xyz(3.1462, 1.6964, 12.4710) |
| Luminance | 0.0170 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Midnight Blue
#191970
ΔE00 2.46
Darkblue (survey)
#030764
ΔE00 3.30
Dark Indigo
#1F0954
ΔE00 3.48
Dark Royal Blue
#02066F
ΔE00 3.89
Dark Blue
#00035B
ΔE00 4.26
Deep Blue
#040273
ΔE00 4.60
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F1365 #596513
analogous
#133065 #1F1365 #481365
triadic
#1F1365 #651F13 #13651F
tetradic
#1F1365 #651330 #596513 #136548
square
#1F1365 #651330 #596513 #136548
split-complementary
#1F1365 #654813 #306513
monochromatic
#08051A #0F0931 #1F1365 #2F1D99 #3F26CC
Accessibility & contrast
On white
15.68
#1F1365 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.34
#1F1365 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1F1365
15.68:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F1365 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F1365 | 1.00 | 15.68 | 1.34 | 15.68 |
| #FFFFFF | 15.68 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.34 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 15.68 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#002667
Deuteranopia (green-blind)
#002064
Tritanopia (blue-blind)
#002B3B
Achromatopsia (no color)
#232323
Design tokens & code
CSS
--color: #1f1365; /* rgb */ color: rgb(31, 19, 101); /* oklch */ color: oklch(27.1% 0.134 279.3);
Tailwind
colors: {
custom: {
50: '#665392',
500: '#1f1365',
950: '#000000',
},
}SCSS
$custom: #1f1365; $custom-light: #665392; $custom-dark: #000000;
JSON
{
"hex": "#1f1365",
"rgb": {
"r": 31,
"g": 19,
"b": 101
},
"hsl": {
"h": 248.78,
"s": 68.333,
"l": 23.529
},
"oklch": {
"l": 0.27109,
"c": 0.13381,
"h": 279.3
},
"luminance": 0.01697
}Semantic roles & 50–950 ramp
primary
#1F1365
secondary
#8E9D37
accent
#EB3DD2
background
#F6F4F9
surface
#EBE7F1
border
#C6C3CB
text
#07020D
muted
#7A787E