#100C30
Closest named color: Dark Navy (#000435). oklch(18.6% 0.069 282.5), rgb(16, 12, 48).
Aa
White text reads best on this color (18.79:1).
About this color
#100C30 is a very dark, muted purple. In OKLCH its lightness is 19%, its chroma 0.069 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Navy (#000435), ΔE 0.046 away. White text reads best on it, at 18.79:1.
| Hue family | Purples |
| Lightness | very dark (19%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Dark Navy (#000435) |
| Black text | 1.11:1 |
| White text | 18.79:1 |
Values
| HEX | #100C30 |
| RGB | rgb(16, 12, 48) |
| HSL | hsl(247, 60%, 12%) |
| OKLCH | oklch(18.6% 0.069 282.5) |
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 #100C30 | 18.79:1 | AAA | Lc -107.2 | Preferred for body text |
| Black text on #100C30 | 1.11:1 | Fails | Lc 0.0 | Not readable |
| #100C30 text on white | 18.79:1 | AAA | Lc 105.1 | Preferred for body text |
| #100C30 text on black | 1.11:1 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E7E8FA
oklch(93.6% 0.024 283.4)
-
Step 200
200
#D4D6F7
oklch(88.5% 0.045 282.7)
-
Step 300
300
#B8BBF4
oklch(81% 0.08 282.1)
-
Step 400
400
#9595EF
oklch(70.7% 0.13 282.6)
-
Step 500
500
#7D78EA
oklch(63.1% 0.167 282.5)
-
Step 600
600
#685ED8
oklch(55.7% 0.181 282.5)
-
Step 700
700
#574CBB
oklch(49% 0.168 282.7)
-
Step 800
800
#473F98
oklch(42.7% 0.141 282.7)
-
Step 900
900
#3B3779
oklch(37.8% 0.109 282.6)
-
Step 950
950 (this color)
#100C30
oklch(18.6% 0.069 282.5)
#100C30 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) | #001331 | 0.031 |
| Deuteranopia (no green cones) | #00102F | 0.029 |
| Tritanopia (no blue cones) | #03151C | 0.059 |
| Achromatopsia (no color) | #121212 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #100C30
#100C30
oklch(18.6% 0.069 282.5)
- #161300
#161300
oklch(18.5% 0.039 102.4)
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 #100C30, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Navy #000435 ΔE 0.046
- Navy Blue #001146 ΔE 0.050
- Midnight #03012D ΔE 0.051
- Rich Black #0D1B2A ΔE 0.053
- Dark Navy Blue #00022E ΔE 0.054
- Very Dark Blue #000133 ΔE 0.055
- Night Blue #040348 ΔE 0.056
- Midnight Purple #280137 ΔE 0.060
Use #100C30 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.