#101240#101240
#101240 is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.6% C 0.086 H 274.7°. Best body text is #FFFFFF at 17.76:1 contrast (WCAG AA passes).
Color values
| HEX | #101240 |
|---|---|
| RGB | rgb(16, 18, 64) |
| HSL | hsl(238, 60%, 16%) |
| HSV | hsv(238, 75%, 25%) |
| CMYK | cmyk(75%, 71.9%, 0%, 74.9%) |
| CIE-LAB | lab(8.24, 16.75, -29.60) |
| CIE-LCH | lch(8.24, 34.01, 299.50°) |
| OKLab | oklab(21.58% 0.007 -0.0854) |
| OKLCH | oklch(21.58% 0.086 274.7) |
| XYZ | xyz(1.3551, 0.9128, 4.9543) |
| Luminance | 0.0091 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Navy Blue (survey)
#001146
ΔE00 2.71
Dark Navy
#000435
ΔE00 3.48
Navy (survey)
#01153E
ΔE00 3.55
Midnight Blue (survey)
#020035
ΔE00 3.59
Very Dark Blue
#000133
ΔE00 3.81
Midnight
#03012D
ΔE00 4.36
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#101240 #403E10
analogous
#102A40 #101240 #261040
triadic
#101240 #401012 #124010
tetradic
#101240 #40102A #403E10 #104026
square
#101240 #40102A #403E10 #104026
split-complementary
#101240 #402610 #2A4010
monochromatic
#060718 #060718 #101240 #1C2071 #282EA2
Accessibility & contrast
On white
17.76
#101240 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.18
#101240 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #101240
17.76:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##101240 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##101240 | 1.00 | 17.76 | 1.18 | 17.76 |
| #FFFFFF | 17.76 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.18 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 17.76 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#001A41
Deuteranopia (green-blind)
#00163F
Tritanopia (blue-blind)
#001E26
Achromatopsia (no color)
#181818
Design tokens & code
CSS
--color: #101240; /* rgb */ color: rgb(16, 18, 64); /* oklch */ color: oklch(21.6% 0.086 274.7);
Tailwind
colors: {
custom: {
50: '#564f75',
500: '#101240',
950: '#000000',
},
}SCSS
$custom: #101240; $custom-light: #564f75; $custom-dark: #000000;
JSON
{
"hex": "#101240",
"rgb": {
"r": 16,
"g": 18,
"b": 64
},
"hsl": {
"h": 237.5,
"s": 60,
"l": 15.686
},
"oklch": {
"l": 0.21579,
"c": 0.08566,
"h": 274.7
},
"luminance": 0.00913
}Semantic roles & 50–950 ramp
primary
#101240
secondary
#7A7732
accent
#DD45E3
background
#F5F4F7
surface
#E9E7ED
border
#C5C3C8
text
#030208
muted
#78787B