#1B0A38
Closest named color: Midnight Purple (#280137). oklch(20.4% 0.084 294.7), rgb(27, 10, 56).
Aa
White text reads best on this color (18.30:1).
About this color
#1B0A38 is a very dark, moderately saturated purple. In OKLCH its lightness is 20%, its chroma 0.084 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 0.036 away. White text reads best on it, at 18.30:1.
| Hue family | Purples |
| Lightness | very dark (20%) |
| Chroma | moderately saturated (0.084) |
| Temperature | in between |
| Nearest name | Midnight Purple (#280137) |
| Black text | 1.14:1 |
| White text | 18.30:1 |
Values
| HEX | #1B0A38 |
| RGB | rgb(27, 10, 56) |
| HSL | hsl(262, 70%, 13%) |
| OKLCH | oklch(20.4% 0.084 294.7) |
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 #1B0A38 | 18.30:1 | AAA | Lc -106.9 | Preferred for body text |
| Black text on #1B0A38 | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #1B0A38 text on white | 18.30:1 | AAA | Lc 104.7 | Preferred for body text |
| #1B0A38 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
#EBE7FC
oklch(93.7% 0.028 294.6)
-
Step 200
200
#DBD3FB
oklch(88.6% 0.055 294.4)
-
Step 300
300
#C5B4FA
oklch(80.9% 0.099 295.2)
-
Step 400
400
#A88AF8
oklch(70.7% 0.158 294.6)
-
Step 500
500
#9567F5
oklch(63.1% 0.204 294.8)
-
Step 600
600
#8149E3
oklch(55.6% 0.22 294.9)
-
Step 700
700
#6D39C6
oklch(49.2% 0.205 294.5)
-
Step 800
800
#5930A0
oklch(42.7% 0.171 294.9)
-
Step 900
900
#482D7F
oklch(37.7% 0.132 294.3)
-
Step 950
950 (this color)
#1B0A38
oklch(20.4% 0.084 294.7)
#1B0A38 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) | #001539 | 0.051 |
| Deuteranopia (no green cones) | #001437 | 0.051 |
| Tritanopia (no blue cones) | #131620 | 0.065 |
| Achromatopsia (no color) | #151515 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B0A38
#1B0A38
oklch(20.4% 0.084 294.7)
- #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 #1B0A38, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Purple #280137 ΔE 0.036
- Very Dark Purple #2A0134 ΔE 0.041
- Dark Indigo #1F0954 ΔE 0.054
- Navy Blue #001146 ΔE 0.055
- Night Blue #040348 ΔE 0.060
- Dark Purple #35063E ΔE 0.062
- Rich Black #0D1B2A ΔE 0.064
- Deep Purple #36013F ΔE 0.066
Use #1B0A38 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.