#09121B
Closest named color: Rich Navy (#001219). oklch(17.8% 0.023 249.2), rgb(9, 18, 27).
Aa
White text reads best on this color (18.85:1).
About this color
#09121B is a very dark close to neutral grey. In OKLCH its lightness is 18%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Rich Navy (#001219), ΔE 0.017 away. White text reads best on it, at 18.85:1.
| Hue family | Neutrals |
| Lightness | very dark (18%) |
| Chroma | close to neutral grey (0.023) |
| Temperature | neutral |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.11:1 |
| White text | 18.85:1 |
Values
| HEX | #09121B |
| RGB | rgb(9, 18, 27) |
| HSL | hsl(210, 50%, 7%) |
| OKLCH | oklch(17.8% 0.023 249.2) |
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 #09121B | 18.85:1 | AAA | Lc -107.3 | Preferred for body text |
| Black text on #09121B | 1.11:1 | Fails | Lc 0.0 | Not readable |
| #09121B text on white | 18.85:1 | AAA | Lc 105.3 | Preferred for body text |
| #09121B 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
#F4F6F8
oklch(97.2% 0.003 247.9)
-
Step 100
100
#E6EAEF
oklch(93.5% 0.008 253.9)
-
Step 200
200
#D2DAE3
oklch(88.5% 0.015 251.2)
-
Step 300
300
#B4C2D2
oklch(80.8% 0.027 251.7)
-
Step 400
400
#8CA3BB
oklch(70.6% 0.044 249.6)
-
Step 500
500
#6F8DAA
oklch(63.1% 0.056 247.8)
-
Step 600
600
#577696
oklch(55.5% 0.062 249.8)
-
Step 700
700
#476380
oklch(49% 0.057 249.9)
-
Step 800
800
#3B5168
oklch(42.7% 0.047 250.1)
-
Step 900
900
#324354
oklch(37.6% 0.037 248.8)
-
Step 950
950 (this color)
#09121B
oklch(17.8% 0.023 249.2)
#09121B 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) | #0E121B | 0.008 |
| Deuteranopia (no green cones) | #0C101B | 0.009 |
| Tritanopia (no blue cones) | #031415 | 0.020 |
| Achromatopsia (no color) | #111111 | 0.023 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #09121B
#09121B
oklch(17.8% 0.023 249.2)
- #180F06
#180F06
oklch(17.8% 0.023 67.2)
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 #09121B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.017
- Almost Black #070D0D ΔE 0.032
- Rich Black #0D1B2A ΔE 0.041
- Dark Navy #000435 ΔE 0.076
- Midnight #03012D ΔE 0.076
- Dark Navy Blue #00022E ΔE 0.076
- Very Dark Brown #1D0200 ΔE 0.079
- Dark #1B2431 ΔE 0.080
Use #09121B 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.