#10164A
Closest named color: Navy Blue (#001146). oklch(23.5% 0.096 271.7), rgb(16, 22, 74).
Aa
White text reads best on this color (16.99:1).
About this color
#10164A is a very dark, moderately saturated blue. In OKLCH its lightness is 23%, its chroma 0.096 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Navy Blue (#001146), ΔE 0.030 away. White text reads best on it, at 16.99:1.
| Hue family | Blues |
| Lightness | very dark (23%) |
| Chroma | moderately saturated (0.096) |
| Temperature | cool |
| Nearest name | Navy Blue (#001146) |
| Black text | 1.23:1 |
| White text | 16.99:1 |
Values
| HEX | #10164A |
| RGB | rgb(16, 22, 74) |
| HSL | hsl(234, 64%, 18%) |
| OKLCH | oklch(23.5% 0.096 271.7) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #10164A | 16.99:1 | AAA | Lc -106.0 | Preferred for body text |
| Black text on #10164A | 1.23:1 | Fails | Lc 0.0 | Not readable |
| #10164A text on white | 16.99:1 | AAA | Lc 103.6 | Preferred for body text |
| #10164A text on black | 1.23:1 | Fails | Lc 0.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.
-
Step 50
50
#F2F5FF
oklch(97.1% 0.014 272.7)
-
Step 100
100
#E2E9FF
oklch(93.5% 0.031 271.7)
-
Step 200
200
#CCD8FF
oklch(88.6% 0.055 271.8)
-
Step 300
300
#AABDFF
oklch(80.8% 0.096 271.7)
-
Step 400
400
#7F98FF
oklch(70.6% 0.153 271.7)
-
Step 500
500
#627AFF
oklch(63.1% 0.198 271.8)
-
Step 600
600
#4857FF
oklch(55.6% 0.245 271.6)
-
Step 700
700
#3B43E2
oklch(49.1% 0.234 271.7)
-
Step 800
800
#3039B6
oklch(42.7% 0.193 271.8)
-
Step 900
900
#293490
oklch(37.8% 0.151 271.8)
-
Step 950
950 (this color)
#10164A
oklch(23.5% 0.096 271.7)
#10164A with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #001F4C | 0.028 |
| Deuteranopia (no green cones) | #001A49 | 0.020 |
| Tritanopia (no blue cones) | #00232D | 0.076 |
| Achromatopsia (no color) | #1C1C1C | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #10164A
#10164A
oklch(23.5% 0.096 271.7)
- #261D00
#261D00
oklch(23.5% 0.048 92.4)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #10164A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Blue #001146 ΔE 0.030
- Dark Indigo #1F0954 ΔE 0.038
- Night Blue #040348 ΔE 0.051
- Darkblue #030764 ΔE 0.057
- Oxford Blue #1B263B ΔE 0.064
- Rich Black #0D1B2A ΔE 0.066
- Midnight Blue #191970 ΔE 0.072
- Dark Royal Blue #02066F ΔE 0.073
Use #10164A in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.