#11101D
Closest named color: Rich Navy (#001219). oklch(18.1% 0.026 287), rgb(17, 16, 29).
Aa
White text reads best on this color (18.82:1).
About this color
#11101D is a very dark close to neutral grey. In OKLCH its lightness is 18%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Rich Navy (#001219), ΔE 0.033 away. White text reads best on it, at 18.82:1.
| Hue family | Neutrals |
| Lightness | very dark (18%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.11:1 |
| White text | 18.82:1 |
Values
| HEX | #11101D |
| RGB | rgb(17, 16, 29) |
| HSL | hsl(245, 29%, 9%) |
| OKLCH | oklch(18.1% 0.026 287) |
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 #11101D | 18.82:1 | AAA | Lc -107.3 | Preferred for body text |
| Black text on #11101D | 1.11:1 | Fails | Lc 0.0 | Not readable |
| #11101D text on white | 18.82:1 | AAA | Lc 105.3 | Preferred for body text |
| #11101D text on black | 1.11:1 | 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E9E9F0
oklch(93.6% 0.009 286.2)
-
Step 200
200
#D8D8E4
oklch(88.6% 0.016 286.1)
-
Step 300
300
#BFBED4
oklch(80.9% 0.031 287.8)
-
Step 400
400
#9E9CBF
oklch(70.6% 0.051 287.6)
-
Step 500
500
#8684AF
oklch(63.1% 0.064 286.5)
-
Step 600
600
#706D9A
oklch(55.5% 0.069 287)
-
Step 700
700
#5E5B84
oklch(49.1% 0.065 287.1)
-
Step 800
800
#4D4B6B
oklch(42.8% 0.053 286.8)
-
Step 900
900
#403E57
oklch(37.7% 0.042 287.8)
-
Step 950
950 (this color)
#11101D
oklch(18.1% 0.026 287)
#11101D 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) | #0C121E | 0.011 |
| Deuteranopia (no green cones) | #0C111D | 0.010 |
| Tritanopia (no blue cones) | #0E1215 | 0.021 |
| Achromatopsia (no color) | #111111 | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #11101D
#11101D
oklch(18.1% 0.026 287)
- #131305
#131305
oklch(18.2% 0.027 108.8)
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 #11101D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.033
- Almost Black #070D0D ΔE 0.040
- Rich Black #0D1B2A ΔE 0.042
- Very Dark Brown #1D0200 ΔE 0.073
- Midnight #03012D ΔE 0.074
- Dark Navy #000435 ΔE 0.075
- Dark Navy Blue #00022E ΔE 0.076
- Dark #1B2431 ΔE 0.078
Use #11101D 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.