#1A1139
Closest named color: Midnight Purple (#280137). oklch(21.6% 0.074 289), rgb(26, 17, 57).
Aa
White text reads best on this color (17.74:1).
About this color
#1A1139 is a very dark, moderately saturated purple. In OKLCH its lightness is 22%, its chroma 0.074 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Purple (#280137), ΔE 0.047 away. White text reads best on it, at 17.74:1.
| Hue family | Purples |
| Lightness | very dark (22%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Midnight Purple (#280137) |
| Black text | 1.18:1 |
| White text | 17.74:1 |
Values
| HEX | #1A1139 |
| RGB | rgb(26, 17, 57) |
| HSL | hsl(253, 54%, 15%) |
| OKLCH | oklch(21.6% 0.074 289) |
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 #1A1139 | 17.74:1 | AAA | Lc -106.6 | Preferred for body text |
| Black text on #1A1139 | 1.18:1 | Fails | Lc 0.0 | Not readable |
| #1A1139 text on white | 17.74:1 | AAA | Lc 104.4 | Preferred for body text |
| #1A1139 text on black | 1.18:1 | 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
#E9E7FA
oklch(93.5% 0.026 290.7)
-
Step 200
200
#D7D5F8
oklch(88.6% 0.048 288)
-
Step 300
300
#BEB8F6
oklch(80.9% 0.087 288.7)
-
Step 400
400
#9F90F2
oklch(70.7% 0.141 289.3)
-
Step 500
500
#8971ED
oklch(63.1% 0.18 289.1)
-
Step 600
600
#7456DB
oklch(55.6% 0.194 288.9)
-
Step 700
700
#6245BE
oklch(49.1% 0.181 289)
-
Step 800
800
#503A9A
oklch(42.8% 0.149 289)
-
Step 900
900
#42337A
oklch(37.7% 0.116 289.4)
-
Step 950
950 (this color)
#1A1139
oklch(21.6% 0.074 289)
#1A1139 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) | #00193A | 0.043 |
| Deuteranopia (no green cones) | #001738 | 0.042 |
| Tritanopia (no blue cones) | #101A22 | 0.061 |
| Achromatopsia (no color) | #181818 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1A1139
#1A1139
oklch(21.6% 0.074 289)
- #1C1B00
#1C1B00
oklch(21.6% 0.047 107.8)
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 #1A1139, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Purple #280137 ΔE 0.047
- Navy Blue #001146 ΔE 0.049
- Very Dark Purple #2A0134 ΔE 0.051
- Rich Black #0D1B2A ΔE 0.051
- Dark Indigo #1F0954 ΔE 0.053
- Night Blue #040348 ΔE 0.063
- Dark Purple #35063E ΔE 0.064
- Oxford Blue #1B263B ΔE 0.067
Use #1A1139 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.