#100C34
Closest named color: Navy Blue (#001146). oklch(19.1% 0.075 281), rgb(16, 12, 52).
Aa
White text reads best on this color (18.67:1).
About this color
#100C34 is a very dark, moderately saturated purple. In OKLCH its lightness is 19%, its chroma 0.075 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Navy Blue (#001146), ΔE 0.044 away. White text reads best on it, at 18.67:1.
| Hue family | Purples |
| Lightness | very dark (19%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Navy Blue (#001146) |
| Black text | 1.12:1 |
| White text | 18.67:1 |
Values
| HEX | #100C34 |
| RGB | rgb(16, 12, 52) |
| HSL | hsl(246, 63%, 13%) |
| OKLCH | oklch(19.1% 0.075 281) |
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 #100C34 | 18.67:1 | AAA | Lc -107.1 | Preferred for body text |
| Black text on #100C34 | 1.12:1 | Fails | Lc 0.0 | Not readable |
| #100C34 text on white | 18.67:1 | AAA | Lc 105.0 | Preferred for body text |
| #100C34 text on black | 1.12:1 | 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
#F4F5FE
oklch(97.2% 0.012 281.1)
-
Step 100
100
#E6E8FB
oklch(93.5% 0.026 281.1)
-
Step 200
200
#D3D6FA
oklch(88.5% 0.05 281.6)
-
Step 300
300
#B6BAFA
oklch(80.9% 0.09 281.4)
-
Step 400
400
#9294F7
oklch(70.7% 0.143 281.2)
-
Step 500
500
#7976F3
oklch(63.1% 0.182 280.9)
-
Step 600
600
#655BE2
oklch(55.7% 0.198 281.2)
-
Step 700
700
#5449C4
oklch(49% 0.185 281.2)
-
Step 800
800
#443D9F
oklch(42.7% 0.153 280.9)
-
Step 900
900
#39367E
oklch(37.8% 0.118 281)
-
Step 950
950 (this color)
#100C34
oklch(19.1% 0.075 281)
#100C34 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) | #001435 | 0.031 |
| Deuteranopia (no green cones) | #001133 | 0.029 |
| Tritanopia (no blue cones) | #00161E | 0.064 |
| Achromatopsia (no color) | #121212 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #100C34
#100C34
oklch(19.1% 0.075 281)
- #181400
#181400
oklch(19% 0.04 100.1)
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 #100C34, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Blue #001146 ΔE 0.044
- Dark Navy #000435 ΔE 0.045
- Night Blue #040348 ΔE 0.049
- Midnight #03012D ΔE 0.052
- Very Dark Blue #000133 ΔE 0.055
- Rich Black #0D1B2A ΔE 0.055
- Dark Navy Blue #00022E ΔE 0.055
- Midnight Purple #280137 ΔE 0.059
Use #100C34 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.