#1A111D
Closest named color: Rich Black (#0D1B2A). oklch(19.5% 0.027 317.5), rgb(26, 17, 29).
Aa
White text reads best on this color (18.39:1).
About this color
#1A111D is a very dark close to neutral grey. In OKLCH its lightness is 20%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.042 away. White text reads best on it, at 18.39:1.
| Hue family | Neutrals |
| Lightness | very dark (20%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.14:1 |
| White text | 18.39:1 |
Values
| HEX | #1A111D |
| RGB | rgb(26, 17, 29) |
| HSL | hsl(285, 26%, 9%) |
| OKLCH | oklch(19.5% 0.027 317.5) |
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 #1A111D | 18.39:1 | AAA | Lc -107.1 | Preferred for body text |
| Black text on #1A111D | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #1A111D text on white | 18.39:1 | AAA | Lc 105.0 | Preferred for body text |
| #1A111D 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
#F7F4F7
oklch(97% 0.005 325.6)
-
Step 100
100
#ECE8EE
oklch(93.6% 0.009 314.8)
-
Step 200
200
#DED6E1
oklch(88.6% 0.017 316.9)
-
Step 300
300
#C9BACF
oklch(80.8% 0.033 316.4)
-
Step 400
400
#AE97B6
oklch(70.7% 0.051 317.3)
-
Step 500
500
#9A7DA4
oklch(63.1% 0.066 317.3)
-
Step 600
600
#85668F
oklch(55.6% 0.072 317.8)
-
Step 700
700
#70557A
oklch(49.1% 0.066 316.7)
-
Step 800
800
#5C4563
oklch(42.7% 0.056 318.2)
-
Step 900
900
#4B3A51
oklch(37.6% 0.044 317.1)
-
Step 950
950 (this color)
#1A111D
oklch(19.5% 0.027 317.5)
#1A111D 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) | #0F141D | 0.023 |
| Deuteranopia (no green cones) | #11151D | 0.022 |
| Tritanopia (no blue cones) | #1A1215 | 0.018 |
| Achromatopsia (no color) | #141414 | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1A111D
#1A111D
oklch(19.5% 0.027 317.5)
- #0F180C
#0F180C
oklch(19.6% 0.027 138.1)
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 #1A111D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.042
- Rich Navy #001219 ΔE 0.051
- Almost Black #070D0D ΔE 0.054
- Dark #1B2431 ΔE 0.069
- Very Dark Brown #1D0200 ΔE 0.070
- Jet #212529 ΔE 0.072
- Very Dark Purple #2A0134 ΔE 0.073
- Midnight Purple #280137 ΔE 0.075
Use #1A111D 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.