#150E31
Closest named color: Rich Black (#0D1B2A). oklch(19.7% 0.066 287.9), rgb(21, 14, 49).
Aa
White text reads best on this color (18.43:1).
About this color
#150E31 is a very dark, muted purple. In OKLCH its lightness is 20%, its chroma 0.066 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.048 away. White text reads best on it, at 18.43:1.
| Hue family | Purples |
| Lightness | very dark (20%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.13:1 |
| White text | 18.43:1 |
Values
| HEX | #150E31 |
| RGB | rgb(21, 14, 49) |
| HSL | hsl(252, 56%, 12%) |
| OKLCH | oklch(19.7% 0.066 287.9) |
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 #150E31 | 18.43:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #150E31 | 1.13:1 | Fails | Lc 0.0 | Not readable |
| #150E31 text on white | 18.43:1 | AAA | Lc 104.9 | Preferred for body text |
| #150E31 text on black | 1.13:1 | 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
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#E9E8F9
oklch(93.7% 0.023 288.7)
-
Step 200
200
#D7D5F5
oklch(88.5% 0.044 288.3)
-
Step 300
300
#BDB9F1
oklch(80.8% 0.079 287.8)
-
Step 400
400
#9D93EA
oklch(70.7% 0.125 288)
-
Step 500
500
#8776E4
oklch(63.2% 0.161 288)
-
Step 600
600
#725CD2
oklch(55.7% 0.174 287.9)
-
Step 700
700
#5F4AB6
oklch(49% 0.164 287.7)
-
Step 800
800
#4E3E93
oklch(42.8% 0.134 288)
-
Step 900
900
#403675
oklch(37.7% 0.104 287.6)
-
Step 950
950 (this color)
#150E31
oklch(19.7% 0.066 287.9)
#150E31 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) | #001532 | 0.037 |
| Deuteranopia (no green cones) | #001330 | 0.037 |
| Tritanopia (no blue cones) | #0C161D | 0.055 |
| Achromatopsia (no color) | #141414 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #150E31
#150E31
oklch(19.7% 0.066 287.9)
- #171700
#171700
oklch(19.8% 0.043 109.8)
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 #150E31, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.048
- Midnight Purple #280137 ΔE 0.052
- Navy Blue #001146 ΔE 0.052
- Very Dark Purple #2A0134 ΔE 0.055
- Dark Navy #000435 ΔE 0.058
- Night Blue #040348 ΔE 0.062
- Midnight #03012D ΔE 0.063
- Rich Navy #001219 ΔE 0.067
Use #150E31 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.