#091015
Closest named color: Rich Navy (#001219). oklch(16.8% 0.015 239.8), rgb(9, 16, 21).
Aa
White text reads best on this color (19.15:1).
About this color
#091015 is a very dark close to neutral grey. In OKLCH its lightness is 17%, its chroma 0.015. It has too little chroma to lean warm or cool. The nearest named color is Rich Navy (#001219), ΔE 0.018 away. White text reads best on it, at 19.15:1.
| Hue family | Neutrals |
| Lightness | very dark (17%) |
| Chroma | close to neutral grey (0.015) |
| Temperature | neutral |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.09:1 |
| White text | 19.15:1 |
Values
| HEX | #091015 |
| RGB | rgb(9, 16, 21) |
| HSL | hsl(205, 40%, 6%) |
| OKLCH | oklch(16.8% 0.015 239.8) |
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 #091015 | 19.15:1 | AAA | Lc -107.5 | Preferred for body text |
| Black text on #091015 | 1.09:1 | Fails | Lc 0.0 | Not readable |
| #091015 text on white | 19.15:1 | AAA | Lc 105.5 | Preferred for body text |
| #091015 text on black | 1.09:1 | 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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E7EAED
oklch(93.6% 0.005 247.9)
-
Step 200
200
#D3DADF
oklch(88.4% 0.01 238.5)
-
Step 300
300
#B7C2CB
oklch(80.8% 0.018 242.5)
-
Step 400
400
#91A3B1
oklch(70.6% 0.029 241.3)
-
Step 500
500
#768D9E
oklch(63.1% 0.037 240.2)
-
Step 600
600
#5E7789
oklch(55.6% 0.04 239.7)
-
Step 700
700
#4E6474
oklch(49.2% 0.037 240.1)
-
Step 800
800
#40525E
oklch(42.8% 0.03 237.6)
-
Step 900
900
#36444D
oklch(37.8% 0.024 236.5)
-
Step 950
950 (this color)
#091015
oklch(16.8% 0.015 239.8)
#091015 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) | #0E1015 | 0.009 |
| Deuteranopia (no green cones) | #0C0F15 | 0.006 |
| Tritanopia (no blue cones) | #061112 | 0.010 |
| Achromatopsia (no color) | #0F0F0F | 0.015 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #091015
#091015
oklch(16.8% 0.015 239.8)
- #140E08
#140E08
oklch(16.9% 0.016 67)
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 #091015, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.018
- Almost Black #070D0D ΔE 0.019
- Rich Black #0D1B2A ΔE 0.054
- Very Dark Brown #1D0200 ΔE 0.070
- Midnight #03012D ΔE 0.080
- Dark Navy Blue #00022E ΔE 0.080
- Dark Navy #000435 ΔE 0.082
- Very Dark Blue #000133 ΔE 0.087
Use #091015 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.