#1F1438
Closest named color: Midnight Purple (#280137). oklch(22.7% 0.067 294.5), rgb(31, 20, 56).
Aa
White text reads best on this color (17.27:1).
About this color
#1F1438 is a very dark, muted purple. In OKLCH its lightness is 23%, its chroma 0.067 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Midnight Purple (#280137), ΔE 0.047 away. White text reads best on it, at 17.27:1.
| Hue family | Purples |
| Lightness | very dark (23%) |
| Chroma | muted (0.067) |
| Temperature | in between |
| Nearest name | Midnight Purple (#280137) |
| Black text | 1.21:1 |
| White text | 17.27:1 |
Values
| HEX | #1F1438 |
| RGB | rgb(31, 20, 56) |
| HSL | hsl(258, 47%, 15%) |
| OKLCH | oklch(22.7% 0.067 294.5) |
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 #1F1438 | 17.27:1 | AAA | Lc -106.3 | Preferred for body text |
| Black text on #1F1438 | 1.21:1 | Fails | Lc 0.0 | Not readable |
| #1F1438 text on white | 17.27:1 | AAA | Lc 104.0 | Preferred for body text |
| #1F1438 text on black | 1.21:1 | 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
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#EAE7F8
oklch(93.5% 0.023 294.1)
-
Step 200
200
#DAD4F4
oklch(88.5% 0.044 294.1)
-
Step 300
300
#C3B7F0
oklch(80.9% 0.08 294.2)
-
Step 400
400
#A690E8
oklch(70.8% 0.127 294.4)
-
Step 500
500
#9171E1
oklch(63% 0.164 294.4)
-
Step 600
600
#7D57CE
oklch(55.6% 0.177 294.7)
-
Step 700
700
#6946B3
oklch(49.1% 0.165 294.3)
-
Step 800
800
#563A91
oklch(42.7% 0.138 294.7)
-
Step 900
900
#463373
oklch(37.6% 0.106 294.4)
-
Step 950
950 (this color)
#1F1438
oklch(22.7% 0.067 294.5)
#1F1438 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) | #041B39 | 0.044 |
| Deuteranopia (no green cones) | #071A37 | 0.041 |
| Tritanopia (no blue cones) | #191B23 | 0.053 |
| Achromatopsia (no color) | #1B1B1B | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F1438
#1F1438
oklch(22.7% 0.067 294.5)
- #1C1F00
#1C1F00
oklch(22.8% 0.052 114.8)
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 #1F1438, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Purple #280137 ΔE 0.047
- Rich Black #0D1B2A ΔE 0.049
- Very Dark Purple #2A0134 ΔE 0.050
- Dark Purple #35063E ΔE 0.056
- Oxford Blue #1B263B ΔE 0.057
- Dark #1B2431 ΔE 0.057
- Dark Indigo #1F0954 ΔE 0.057
- Navy Blue #001146 ΔE 0.060
Use #1F1438 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.