#140D31
Closest named color: Rich Black (#0D1B2A). oklch(19.4% 0.068 287.2), rgb(20, 13, 49).
Aa
White text reads best on this color (18.55:1).
About this color
#140D31 is a very dark, muted purple. In OKLCH its lightness is 19%, its chroma 0.068 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.051 away. White text reads best on it, at 18.55:1.
| Hue family | Purples |
| Lightness | very dark (19%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.13:1 |
| White text | 18.55:1 |
Values
| HEX | #140D31 |
| RGB | rgb(20, 13, 49) |
| HSL | hsl(252, 58%, 12%) |
| OKLCH | oklch(19.4% 0.068 287.2) |
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 #140D31 | 18.55:1 | AAA | Lc -107.1 | Preferred for body text |
| Black text on #140D31 | 1.13:1 | Fails | Lc 0.0 | Not readable |
| #140D31 text on white | 18.55:1 | AAA | Lc 105.0 | Preferred for body text |
| #140D31 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E8E8F9
oklch(93.6% 0.023 286)
-
Step 200
200
#D6D5F6
oklch(88.4% 0.045 286.8)
-
Step 300
300
#BDB9F3
oklch(80.9% 0.081 287.6)
-
Step 400
400
#9C93ED
oklch(70.8% 0.13 287.2)
-
Step 500
500
#8575E7
oklch(63% 0.166 287.1)
-
Step 600
600
#705BD5
oklch(55.6% 0.18 286.9)
-
Step 700
700
#5E4AB8
oklch(49.1% 0.166 286.9)
-
Step 800
800
#4D3D95
oklch(42.6% 0.139 287.4)
-
Step 900
900
#3F3577
oklch(37.6% 0.109 286.9)
-
Step 950
950 (this color)
#140D31
oklch(19.4% 0.068 287.2)
#140D31 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) | #001432 | 0.036 |
| Deuteranopia (no green cones) | #001230 | 0.036 |
| Tritanopia (no blue cones) | #0A151D | 0.055 |
| Achromatopsia (no color) | #131313 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #140D31
#140D31
oklch(19.4% 0.068 287.2)
- #171600
#171600
oklch(19.5% 0.042 107.6)
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 #140D31, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.051
- Navy Blue #001146 ΔE 0.052
- Midnight Purple #280137 ΔE 0.053
- Dark Navy #000435 ΔE 0.054
- Very Dark Purple #2A0134 ΔE 0.057
- Midnight #03012D ΔE 0.060
- Night Blue #040348 ΔE 0.060
- Dark Navy Blue #00022E ΔE 0.063
Use #140D31 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.