#18104F#18104F
#18104F is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.5% C 0.109 H 279.7°. Best body text is #FFFFFF at 17.13:1 contrast (WCAG AA passes).
Color values
| HEX | #18104F |
|---|---|
| RGB | rgb(24, 16, 79) |
| HSL | hsl(248, 66%, 19%) |
| HSV | hsv(248, 80%, 31%) |
| CMYK | cmyk(69.6%, 79.7%, 0%, 69%) |
| CIE-LAB | lab(10.02, 25.24, -37.15) |
| CIE-LCH | lch(10.02, 44.91, 304.19°) |
| OKLab | oklab(23.53% 0.0184 -0.1072) |
| OKLCH | oklch(23.53% 0.109 279.7) |
| XYZ | xyz(1.9728, 1.1291, 7.5096) |
| Luminance | 0.0113 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dark Indigo
#1F0954
ΔE00 2.72
Night Blue
#040348
ΔE00 3.32
Navy Blue (survey)
#001146
ΔE00 4.04
Dark Blue
#00035B
ΔE00 4.90
Darkblue (survey)
#030764
ΔE00 5.24
Midnight Blue
#191970
ΔE00 5.92
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#18104F #474F10
analogous
#10274F #18104F #37104F
triadic
#18104F #4F1810 #104F18
tetradic
#18104F #4F1027 #474F10 #104F37
square
#18104F #4F1027 #474F10 #104F37
split-complementary
#18104F #4F3710 #274F10
monochromatic
#080519 #09061C #18104F #271A82 #3725B5
Accessibility & contrast
On white
17.13
#18104F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.23
#18104F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #18104F
17.13:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##18104F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##18104F | 1.00 | 17.13 | 1.23 | 17.13 |
| #FFFFFF | 17.13 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.23 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 17.13 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#001E51
Deuteranopia (green-blind)
#00194E
Tritanopia (blue-blind)
#00222E
Achromatopsia (no color)
#1C1C1C
Design tokens & code
CSS
--color: #18104f; /* rgb */ color: rgb(24, 16, 79); /* oklch */ color: oklch(23.5% 0.109 279.7);
Tailwind
colors: {
custom: {
50: '#5e4f81',
500: '#18104f',
950: '#000000',
},
}SCSS
$custom: #18104f; $custom-light: #5e4f81; $custom-dark: #000000;
JSON
{
"hex": "#18104f",
"rgb": {
"r": 24,
"g": 16,
"b": 79
},
"hsl": {
"h": 247.619,
"s": 66.316,
"l": 18.627
},
"oklch": {
"l": 0.2353,
"c": 0.10876,
"h": 279.7
},
"luminance": 0.01129
}Semantic roles & 50–950 ramp
primary
#18104F
secondary
#7E8932
accent
#E93FD4
background
#F5F4F7
surface
#E9E7EE
border
#C5C3C9
text
#05020A
muted
#79787C