#10174F#10174F
#10174F is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.2% C 0.102 H 270.9°. Best body text is #FFFFFF at 16.70:1 contrast (WCAG AA passes).
Color values
| HEX | #10174F |
|---|---|
| RGB | rgb(16, 23, 79) |
| HSL | hsl(233, 66%, 19%) |
| HSV | hsv(233, 80%, 31%) |
| CMYK | cmyk(79.7%, 70.9%, 0%, 69%) |
| CIE-LAB | lab(11.19, 19.25, -35.27) |
| CIE-LCH | lch(11.19, 40.18, 298.63°) |
| OKLab | oklab(24.21% 0.0017 -0.1019) |
| OKLCH | oklch(24.21% 0.102 270.9) |
| XYZ | xyz(1.9309, 1.2873, 7.5423) |
| Luminance | 0.0129 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Navy Blue (survey)
#001146
ΔE00 2.34
Navy (survey)
#01153E
ΔE00 4.25
Night Blue
#040348
ΔE00 5.16
Dark Navy
#000435
ΔE00 5.45
Midnight Blue (survey)
#020035
ΔE00 5.60
Dark Indigo
#1F0954
ΔE00 5.75
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#10174F #4F4810
analogous
#10364F #10174F #28104F
triadic
#10174F #4F1017 #174F10
tetradic
#10174F #4F1036 #4F4810 #104F28
square
#10174F #4F1036 #4F4810 #104F28
split-complementary
#10174F #4F2810 #364F10
monochromatic
#050719 #06081C #10174F #1A2682 #2535B5
Accessibility & contrast
On white
16.70
#10174F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.26
#10174F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #10174F
16.70:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##10174F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##10174F | 1.00 | 16.70 | 1.26 | 16.70 |
| #FFFFFF | 16.70 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.26 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 16.70 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#002151
Deuteranopia (green-blind)
#001B4E
Tritanopia (blue-blind)
#002630
Achromatopsia (no color)
#1E1E1E
Design tokens & code
CSS
--color: #10174f; /* rgb */ color: rgb(16, 23, 79); /* oklch */ color: oklch(24.2% 0.102 270.9);
Tailwind
colors: {
custom: {
50: '#595481',
500: '#10174f',
950: '#000000',
},
}SCSS
$custom: #10174f; $custom-light: #595481; $custom-dark: #000000;
JSON
{
"hex": "#10174f",
"rgb": {
"r": 16,
"g": 23,
"b": 79
},
"hsl": {
"h": 233.333,
"s": 66.316,
"l": 18.627
},
"oklch": {
"l": 0.24207,
"c": 0.10194,
"h": 270.9
},
"luminance": 0.01287
}Semantic roles & 50–950 ramp
primary
#10174F
secondary
#897F32
accent
#D63FE9
background
#F5F4F7
surface
#E9E7EE
border
#C5C3C9
text
#04020A
muted
#79787C