#1A0B37
Closest named color: Midnight Purple (#280137). oklch(20.3% 0.081 293.6), rgb(26, 11, 55).
Aa
White text reads best on this color (18.30:1).
About this color
#1A0B37 is a very dark, moderately saturated purple. In OKLCH its lightness is 20%, its chroma 0.081 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Midnight Purple (#280137), ΔE 0.038 away. White text reads best on it, at 18.30:1.
| Hue family | Purples |
| Lightness | very dark (20%) |
| Chroma | moderately saturated (0.081) |
| Temperature | in between |
| Nearest name | Midnight Purple (#280137) |
| Black text | 1.14:1 |
| White text | 18.30:1 |
Values
| HEX | #1A0B37 |
| RGB | rgb(26, 11, 55) |
| HSL | hsl(260, 67%, 13%) |
| OKLCH | oklch(20.3% 0.081 293.6) |
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 #1A0B37 | 18.30:1 | AAA | Lc -106.9 | Preferred for body text |
| Black text on #1A0B37 | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #1A0B37 text on white | 18.30:1 | AAA | Lc 104.7 | Preferred for body text |
| #1A0B37 text on black | 1.14:1 | 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
#F6F4FE
oklch(97.2% 0.013 295.3)
-
Step 100
100
#EAE7FB
oklch(93.6% 0.027 292.8)
-
Step 200
200
#DAD3FA
oklch(88.5% 0.054 293.5)
-
Step 300
300
#C3B5F9
oklch(80.9% 0.096 293.6)
-
Step 400
400
#A68CF6
oklch(70.8% 0.152 293.4)
-
Step 500
500
#926AF2
oklch(63% 0.196 293.6)
-
Step 600
600
#7E4DE1
oklch(55.6% 0.213 293.5)
-
Step 700
700
#6B3CC3
oklch(49.1% 0.198 293.8)
-
Step 800
800
#57339E
oklch(42.7% 0.164 293.7)
-
Step 900
900
#472F7D
oklch(37.8% 0.126 293.6)
-
Step 950
950 (this color)
#1A0B37
oklch(20.3% 0.081 293.6)
#1A0B37 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) | #001538 | 0.048 |
| Deuteranopia (no green cones) | #001436 | 0.048 |
| Tritanopia (no blue cones) | #12161F | 0.064 |
| Achromatopsia (no color) | #151515 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1A0B37
#1A0B37
oklch(20.3% 0.081 293.6)
- #171900
#171900
oklch(20.4% 0.046 113.7)
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 #1A0B37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Purple #280137 ΔE 0.038
- Very Dark Purple #2A0134 ΔE 0.043
- Navy Blue #001146 ΔE 0.054
- Dark Indigo #1F0954 ΔE 0.056
- Night Blue #040348 ΔE 0.060
- Rich Black #0D1B2A ΔE 0.061
- Dark Navy #000435 ΔE 0.064
- Dark Purple #35063E ΔE 0.064
Use #1A0B37 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.