#101C53#101C53
#101C53 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.7% C 0.101 H 268.6°. Best body text is #FFFFFF at 15.99:1 contrast (WCAG AA passes).
Color values
| HEX | #101C53 |
|---|---|
| RGB | rgb(16, 28, 83) |
| HSL | hsl(229, 68%, 19%) |
| HSV | hsv(229, 81%, 33%) |
| CMYK | cmyk(80.7%, 66.3%, 0%, 67.5%) |
| CIE-LAB | lab(13.02, 17.21, -35.01) |
| CIE-LCH | lch(13.02, 39.01, 296.17°) |
| OKLab | oklab(25.68% -0.0024 -0.1011) |
| OKLCH | oklch(25.68% 0.101 268.6) |
| XYZ | xyz(2.1897, 1.5650, 8.3686) |
| Luminance | 0.0157 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Navy Blue (survey)
#001146
ΔE00 3.44
Navy (survey)
#01153E
ΔE00 4.27
Midnight Blue
#191970
ΔE00 6.23
Dark Navy
#000435
ΔE00 6.45
Navy Blue
#1B2A4A
ΔE00 6.65
Night Blue
#040348
ΔE00 6.75
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#101C53 #534710
analogous
#103E53 #101C53 #261053
triadic
#101C53 #53101C #1C5310
tetradic
#101C53 #53103E #534710 #105326
square
#101C53 #53103E #534710 #105326
split-complementary
#101C53 #532610 #3E5310
monochromatic
#05091A #060B20 #101C53 #1A2D86 #243FBA
Accessibility & contrast
On white
15.99
#101C53 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.31
#101C53 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #101C53
15.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##101C53 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##101C53 | 1.00 | 15.99 | 1.31 | 15.99 |
| #FFFFFF | 15.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.31 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 15.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#002555
Deuteranopia (green-blind)
#001F52
Tritanopia (blue-blind)
#002A34
Achromatopsia (no color)
#222222
Design tokens & code
CSS
--color: #101c53; /* rgb */ color: rgb(16, 28, 83); /* oklch */ color: oklch(25.7% 0.101 268.6);
Tailwind
colors: {
custom: {
50: '#5a5784',
500: '#101c53',
950: '#000000',
},
}SCSS
$custom: #101c53; $custom-light: #5a5784; $custom-dark: #000000;
JSON
{
"hex": "#101c53",
"rgb": {
"r": 16,
"g": 28,
"b": 83
},
"hsl": {
"h": 229.254,
"s": 67.677,
"l": 19.412
},
"oklch": {
"l": 0.25678,
"c": 0.10115,
"h": 268.6
},
"luminance": 0.01565
}Semantic roles & 50–950 ramp
primary
#101C53
secondary
#8D7C32
accent
#CC3DEB
background
#F5F5F8
surface
#E9E9EF
border
#C5C5CA
text
#04030B
muted
#79787C