#09111D
Closest named color: Rich Navy (#001219). oklch(17.6% 0.028 258.2), rgb(9, 17, 29).
Aa
White text reads best on this color (18.92:1).
About this color
#09111D is a very dark close to neutral grey. In OKLCH its lightness is 18%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is Rich Navy (#001219), ΔE 0.020 away. White text reads best on it, at 18.92:1.
| Hue family | Neutrals |
| Lightness | very dark (18%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.10:1 |
| White text | 18.92:1 |
Values
| HEX | #09111D |
| RGB | rgb(9, 17, 29) |
| HSL | hsl(216, 53%, 7%) |
| OKLCH | oklch(17.6% 0.028 258.2) |
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 #09111D | 18.92:1 | AAA | Lc -107.4 | Preferred for body text |
| Black text on #09111D | 1.10:1 | Fails | Lc 0.0 | Not readable |
| #09111D text on white | 18.92:1 | AAA | Lc 105.3 | Preferred for body text |
| #09111D text on black | 1.10:1 | 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
#F4F6F8
oklch(97.2% 0.003 247.9)
-
Step 100
100
#E6EAF0
oklch(93.6% 0.009 258.3)
-
Step 200
200
#D2DAE6
oklch(88.6% 0.019 258.4)
-
Step 300
300
#B4C2D6
oklch(81% 0.032 257.2)
-
Step 400
400
#8DA2C2
oklch(70.7% 0.053 258.7)
-
Step 500
500
#708BB3
oklch(63.1% 0.068 258.1)
-
Step 600
600
#58749E
oklch(55.5% 0.074 258.3)
-
Step 700
700
#486287
oklch(49.1% 0.067 257.2)
-
Step 800
800
#3C506E
oklch(42.8% 0.056 258.3)
-
Step 900
900
#334259
oklch(37.6% 0.044 258.8)
-
Step 950
950 (this color)
#09111D
oklch(17.6% 0.028 258.2)
#09111D 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 | 0.007 |
| Deuteranopia (no green cones) | #0A101D | 0.004 |
| Tritanopia (no blue cones) | #031415 | 0.026 |
| Achromatopsia (no color) | #111111 | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #09111D
#09111D
oklch(17.6% 0.028 258.2)
- #170F03
#170F03
oklch(17.5% 0.028 79.9)
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 #09111D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.020
- Almost Black #070D0D ΔE 0.035
- Rich Black #0D1B2A ΔE 0.042
- Dark Navy #000435 ΔE 0.070
- Midnight #03012D ΔE 0.070
- Dark Navy Blue #00022E ΔE 0.071
- Very Dark Blue #000133 ΔE 0.076
- Very Dark Brown #1D0200 ΔE 0.081
Use #09111D 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.