#100A24
Closest named color: Rich Navy (#001219). oklch(17% 0.052 290.4), rgb(16, 10, 36).
Aa
White text reads best on this color (19.24:1).
About this color
#100A24 is a very dark, muted purple. In OKLCH its lightness is 17%, its chroma 0.052 and its hue 290°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.049 away. White text reads best on it, at 19.24:1.
| Hue family | Purples |
| Lightness | very dark (17%) |
| Chroma | muted (0.052) |
| Temperature | in between |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.09:1 |
| White text | 19.24:1 |
Values
| HEX | #100A24 |
| RGB | rgb(16, 10, 36) |
| HSL | hsl(254, 57%, 9%) |
| OKLCH | oklch(17% 0.052 290.4) |
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 #100A24 | 19.24:1 | AAA | Lc -107.5 | Preferred for body text |
| Black text on #100A24 | 1.09:1 | Fails | Lc 0.0 | Not readable |
| #100A24 text on white | 19.24:1 | AAA | Lc 105.5 | Preferred for body text |
| #100A24 text on black | 1.09:1 | 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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E9E8F5
oklch(93.6% 0.017 289.6)
-
Step 200
200
#D8D6EF
oklch(88.5% 0.034 289.4)
-
Step 300
300
#C0BAE6
oklch(80.8% 0.062 291.2)
-
Step 400
400
#A096DA
oklch(70.7% 0.099 290.4)
-
Step 500
500
#8A7BCF
oklch(63.2% 0.124 290.6)
-
Step 600
600
#7462BC
oklch(55.5% 0.136 290.5)
-
Step 700
700
#6251A3
oklch(49.2% 0.127 290.5)
-
Step 800
800
#504384
oklch(42.8% 0.105 290.5)
-
Step 900
900
#42396A
oklch(37.8% 0.082 290.4)
-
Step 950
950 (this color)
#100A24
oklch(17% 0.052 290.4)
#100A24 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) | #010F25 | 0.031 |
| Deuteranopia (no green cones) | #020E23 | 0.029 |
| Tritanopia (no blue cones) | #0A1015 | 0.043 |
| Achromatopsia (no color) | #0E0E0E | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #100A24
#100A24
oklch(17% 0.052 290.4)
- #101100
#101100
oklch(17.1% 0.038 112.3)
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 #100A24, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.049
- Midnight #03012D ΔE 0.051
- Dark Navy #000435 ΔE 0.055
- Dark Navy Blue #00022E ΔE 0.056
- Almost Black #070D0D ΔE 0.057
- Rich Black #0D1B2A ΔE 0.058
- Very Dark Blue #000133 ΔE 0.061
- Midnight Purple #280137 ΔE 0.069
Use #100A24 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.