#09131E
Closest named color: Rich Navy (#001219). oklch(18.3% 0.027 251.6), rgb(9, 19, 30).
Aa
White text reads best on this color (18.69:1).
About this color
#09131E is a very dark close to neutral grey. In OKLCH its lightness is 18%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Rich Navy (#001219), ΔE 0.021 away. White text reads best on it, at 18.69:1.
| Hue family | Neutrals |
| Lightness | very dark (18%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.12:1 |
| White text | 18.69:1 |
Values
| HEX | #09131E |
| RGB | rgb(9, 19, 30) |
| HSL | hsl(211, 54%, 8%) |
| OKLCH | oklch(18.3% 0.027 251.6) |
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 #09131E | 18.69:1 | AAA | Lc -107.3 | Preferred for body text |
| Black text on #09131E | 1.12:1 | Fails | Lc 0.0 | Not readable |
| #09131E text on white | 18.69:1 | AAA | Lc 105.2 | Preferred for body text |
| #09131E text on black | 1.12:1 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EAF0
oklch(93.5% 0.01 252.8)
-
Step 200
200
#D1DAE5
oklch(88.5% 0.018 253.4)
-
Step 300
300
#B2C3D5
oklch(81% 0.032 249.7)
-
Step 400
400
#8AA3C0
oklch(70.6% 0.051 252.3)
-
Step 500
500
#6C8CB1
oklch(63% 0.067 252.5)
-
Step 600
600
#54769C
oklch(55.6% 0.071 251.9)
-
Step 700
700
#446386
oklch(49.1% 0.067 252.2)
-
Step 800
800
#38516C
oklch(42.7% 0.055 251)
-
Step 900
900
#314358
oklch(37.7% 0.043 252.7)
-
Step 950
950 (this color)
#09131E
oklch(18.3% 0.027 251.6)
#09131E 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) | #0F131E | 0.010 |
| Deuteranopia (no green cones) | #0C111E | 0.008 |
| Tritanopia (no blue cones) | #021617 | 0.024 |
| Achromatopsia (no color) | #121212 | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #09131E
#09131E
oklch(18.3% 0.027 251.6)
- #1A1005
#1A1005
oklch(18.3% 0.027 69.8)
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 #09131E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.021
- Rich Black #0D1B2A ΔE 0.036
- Almost Black #070D0D ΔE 0.038
- Dark Navy #000435 ΔE 0.073
- Dark #1B2431 ΔE 0.075
- Midnight #03012D ΔE 0.075
- Dark Navy Blue #00022E ΔE 0.075
- Very Dark Blue #000133 ΔE 0.080
Use #09131E 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.