#1A111F
Closest named color: Rich Black (#0D1B2A). oklch(19.6% 0.03 313), rgb(26, 17, 31).
Aa
White text reads best on this color (18.35:1).
About this color
#1A111F is a very dark, muted purple. In OKLCH its lightness is 20%, its chroma 0.030 and its hue 313°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.040 away. White text reads best on it, at 18.35:1.
| Hue family | Purples |
| Lightness | very dark (20%) |
| Chroma | muted (0.030) |
| Temperature | in between |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.14:1 |
| White text | 18.35:1 |
Values
| HEX | #1A111F |
| RGB | rgb(26, 17, 31) |
| HSL | hsl(279, 29%, 9%) |
| OKLCH | oklch(19.6% 0.03 313) |
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 #1A111F | 18.35:1 | AAA | Lc -107.1 | Preferred for body text |
| Black text on #1A111F | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #1A111F text on white | 18.35:1 | AAA | Lc 105.0 | Preferred for body text |
| #1A111F 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
#F6F4F8
oklch(97% 0.006 308.4)
-
Step 100
100
#ECE8EF
oklch(93.6% 0.01 311.2)
-
Step 200
200
#DED5E3
oklch(88.4% 0.021 313.8)
-
Step 300
300
#C9BAD2
oklch(80.9% 0.037 313)
-
Step 400
400
#AD96BB
oklch(70.6% 0.059 312.6)
-
Step 500
500
#997CAA
oklch(63% 0.075 312.7)
-
Step 600
600
#846595
oklch(55.6% 0.081 313.2)
-
Step 700
700
#70547F
oklch(49.2% 0.075 313.4)
-
Step 800
800
#5B4567
oklch(42.7% 0.061 313.3)
-
Step 900
900
#4B3A54
oklch(37.7% 0.049 313.7)
-
Step 950
950 (this color)
#1A111F
oklch(19.6% 0.03 313)
#1A111F 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) | #0F1420 | 0.023 |
| Deuteranopia (no green cones) | #11151F | 0.022 |
| Tritanopia (no blue cones) | #1A1316 | 0.022 |
| Achromatopsia (no color) | #141414 | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1A111F
#1A111F
oklch(19.6% 0.03 313)
- #10180A
#10180A
oklch(19.6% 0.029 132.8)
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 #1A111F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.040
- Rich Navy #001219 ΔE 0.052
- Almost Black #070D0D ΔE 0.057
- Dark #1B2431 ΔE 0.067
- Very Dark Purple #2A0134 ΔE 0.070
- Jet #212529 ΔE 0.071
- Midnight Purple #280137 ΔE 0.072
- Very Dark Brown #1D0200 ΔE 0.073
Use #1A111F 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.