#1B1036
Closest named color: Midnight Purple (#280137). oklch(21.3% 0.071 292.7), rgb(27, 16, 54).
Aa
White text reads best on this color (17.88:1).
About this color
#1B1036 is a very dark, moderately saturated purple. In OKLCH its lightness is 21%, its chroma 0.071 and its hue 293°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Midnight Purple (#280137), ΔE 0.044 away. White text reads best on it, at 17.88:1.
| Hue family | Purples |
| Lightness | very dark (21%) |
| Chroma | moderately saturated (0.071) |
| Temperature | in between |
| Nearest name | Midnight Purple (#280137) |
| Black text | 1.17:1 |
| White text | 17.88:1 |
Values
| HEX | #1B1036 |
| RGB | rgb(27, 16, 54) |
| HSL | hsl(257, 54%, 14%) |
| OKLCH | oklch(21.3% 0.071 292.7) |
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 #1B1036 | 17.88:1 | AAA | Lc -106.7 | Preferred for body text |
| Black text on #1B1036 | 1.17:1 | Fails | Lc 0.0 | Not readable |
| #1B1036 text on white | 17.88:1 | AAA | Lc 104.5 | Preferred for body text |
| #1B1036 text on black | 1.17:1 | 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
#EAE7F9
oklch(93.6% 0.024 293.6)
-
Step 200
200
#D9D4F6
oklch(88.5% 0.047 292.2)
-
Step 300
300
#C2B7F3
oklch(80.9% 0.084 292.8)
-
Step 400
400
#A48FED
oklch(70.7% 0.136 292.9)
-
Step 500
500
#8F70E7
oklch(63% 0.173 292.7)
-
Step 600
600
#7A55D5
oklch(55.5% 0.188 292.5)
-
Step 700
700
#6745B8
oklch(49.1% 0.173 292.5)
-
Step 800
800
#543995
oklch(42.6% 0.144 292.8)
-
Step 900
900
#453377
oklch(37.8% 0.112 292.4)
-
Step 950
950 (this color)
#1B1036
oklch(21.3% 0.071 292.7)
#1B1036 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) | #001837 | 0.046 |
| Deuteranopia (no green cones) | #001735 | 0.046 |
| Tritanopia (no blue cones) | #141821 | 0.055 |
| Achromatopsia (no color) | #171717 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B1036
#1B1036
oklch(21.3% 0.071 292.7)
- #191B00
#191B00
oklch(21.3% 0.048 113.5)
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 #1B1036, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Purple #280137 ΔE 0.044
- Very Dark Purple #2A0134 ΔE 0.047
- Rich Black #0D1B2A ΔE 0.050
- Navy Blue #001146 ΔE 0.054
- Dark Indigo #1F0954 ΔE 0.058
- Dark Purple #35063E ΔE 0.062
- Night Blue #040348 ΔE 0.067
- Eggplant #380835 ΔE 0.068
Use #1B1036 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.