#101A3F#101A3F
#101A3F is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.3% C 0.072 H 268.9°. Best body text is #FFFFFF at 16.91:1 contrast (WCAG AA passes).
Color values
| HEX | #101A3F |
|---|---|
| RGB | rgb(16, 26, 63) |
| HSL | hsl(227, 59%, 15%) |
| HSV | hsv(227, 75%, 25%) |
| CMYK | cmyk(74.6%, 58.7%, 0%, 75.3%) |
| CIE-LAB | lab(10.61, 10.14, -25.04) |
| CIE-LCH | lch(10.61, 27.02, 292.04°) |
| OKLab | oklab(23.32% -0.0014 -0.0719) |
| OKLCH | oklch(23.32% 0.072 268.9) |
| XYZ | xyz(1.4800, 1.2077, 4.8568) |
| Luminance | 0.0121 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Navy (survey)
#01153E
ΔE00 2.38
Navy Blue (survey)
#001146
ΔE00 4.72
Dark Navy Blue
#00022E
ΔE00 5.19
Dark Navy
#000435
ΔE00 5.22
Midnight
#03012D
ΔE00 5.39
Navy Blue
#1B2A4A
ΔE00 5.56
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#101A3F #3F3510
analogous
#10313F #101A3F #1D103F
triadic
#101A3F #3F101A #1A3F10
tetradic
#101A3F #3F1031 #3F3510 #103F1D
square
#101A3F #3F1031 #3F3510 #103F1D
split-complementary
#101A3F #3F1D10 #313F10
monochromatic
#060A18 #060A18 #101A3F #1C2E70 #2942A1
Accessibility & contrast
On white
16.91
#101A3F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.24
#101A3F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #101A3F
16.91:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##101A3F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##101A3F | 1.00 | 16.91 | 1.24 | 16.91 |
| #FFFFFF | 16.91 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.24 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 16.91 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#051F40
Deuteranopia (green-blind)
#001B3E
Tritanopia (blue-blind)
#002329
Achromatopsia (no color)
#1D1D1D
Design tokens & code
CSS
--color: #101a3f; /* rgb */ color: rgb(16, 26, 63); /* oklch */ color: oklch(23.3% 0.072 268.9);
Tailwind
colors: {
custom: {
50: '#555674',
500: '#101a3f',
950: '#000000',
},
}SCSS
$custom: #101a3f; $custom-light: #555674; $custom-dark: #000000;
JSON
{
"hex": "#101a3f",
"rgb": {
"r": 16,
"g": 26,
"b": 63
},
"hsl": {
"h": 227.234,
"s": 59.494,
"l": 15.49
},
"oklch": {
"l": 0.23318,
"c": 0.07187,
"h": 268.9
},
"luminance": 0.01208
}Semantic roles & 50–950 ramp
primary
#101A3F
secondary
#796A32
accent
#C145E3
background
#F5F5F7
surface
#E9E8ED
border
#C5C4C8
text
#030308
muted
#78787B