#1E1538
Closest named color: Rich Black (#0D1B2A). oklch(22.8% 0.065 292.3), rgb(30, 21, 56).
Aa
White text reads best on this color (17.21:1).
About this color
#1E1538 is a very dark, muted purple. In OKLCH its lightness is 23%, its chroma 0.065 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.046 away. White text reads best on it, at 17.21:1.
| Hue family | Purples |
| Lightness | very dark (23%) |
| Chroma | muted (0.065) |
| Temperature | in between |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.21:1 |
| White text | 17.21:1 |
Values
| HEX | #1E1538 |
| RGB | rgb(30, 21, 56) |
| HSL | hsl(255, 45%, 15%) |
| OKLCH | oklch(22.8% 0.065 292.3) |
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 #1E1538 | 17.21:1 | AAA | Lc -106.3 | Preferred for body text |
| Black text on #1E1538 | 1.21:1 | Fails | Lc 0.0 | Not readable |
| #1E1538 text on white | 17.21:1 | AAA | Lc 104.0 | Preferred for body text |
| #1E1538 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
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#EAE7F8
oklch(93.5% 0.023 294.1)
-
Step 200
200
#D9D5F4
oklch(88.6% 0.042 291.4)
-
Step 300
300
#C1B8EF
oklch(80.9% 0.077 292.1)
-
Step 400
400
#A391E7
oklch(70.7% 0.124 292.5)
-
Step 500
500
#8E74E0
oklch(63.2% 0.158 292.4)
-
Step 600
600
#7959CD
oklch(55.5% 0.172 292.6)
-
Step 700
700
#6649B2
oklch(49.2% 0.16 292.2)
-
Step 800
800
#533C90
oklch(42.7% 0.133 292.5)
-
Step 900
900
#443473
oklch(37.6% 0.104 292.4)
-
Step 950
950 (this color)
#1E1538
oklch(22.8% 0.065 292.3)
#1E1538 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) | #061C39 | 0.040 |
| Deuteranopia (no green cones) | #071A37 | 0.038 |
| Tritanopia (no blue cones) | #171C24 | 0.052 |
| Achromatopsia (no color) | #1B1B1B | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1E1538
#1E1538
oklch(22.8% 0.065 292.3)
- #1D1F00
#1D1F00
oklch(22.9% 0.051 113.2)
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 #1E1538, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.046
- Midnight Purple #280137 ΔE 0.051
- Very Dark Purple #2A0134 ΔE 0.053
- Oxford Blue #1B263B ΔE 0.054
- Dark #1B2431 ΔE 0.054
- Dark Indigo #1F0954 ΔE 0.058
- Navy Blue #001146 ΔE 0.059
- Dark Purple #35063E ΔE 0.059
Use #1E1538 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.