#091D1A
Closest named color: Rich Black (#0D1B2A). oklch(21.3% 0.027 182.7), rgb(9, 29, 26).
Aa
White text reads best on this color (17.46:1).
About this color
#091D1A is a very dark close to neutral grey. In OKLCH its lightness is 21%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.036 away. White text reads best on it, at 17.46:1.
| Hue family | Neutrals |
| Lightness | very dark (21%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.20:1 |
| White text | 17.46:1 |
Values
| HEX | #091D1A |
| RGB | rgb(9, 29, 26) |
| HSL | hsl(171, 53%, 7%) |
| OKLCH | oklch(21.3% 0.027 182.7) |
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 #091D1A | 17.46:1 | AAA | Lc -106.5 | Preferred for body text |
| Black text on #091D1A | 1.20:1 | Fails | Lc 0.0 | Not readable |
| #091D1A text on white | 17.46:1 | AAA | Lc 104.2 | Preferred for body text |
| #091D1A text on black | 1.20:1 | 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E4ECEA
oklch(93.6% 0.009 179.6)
-
Step 200
200
#CDDDDA
oklch(88.5% 0.018 183.5)
-
Step 300
300
#ABC8C2
oklch(81% 0.032 181.6)
-
Step 400
400
#7DABA3
oklch(70.6% 0.051 182.9)
-
Step 500
500
#5A978D
oklch(63.2% 0.066 182.5)
-
Step 600
600
#3E8177
oklch(55.6% 0.07 182.7)
-
Step 700
700
#2F6D64
oklch(49.1% 0.066 182.7)
-
Step 800
800
#285952
oklch(42.8% 0.055 183.2)
-
Step 900
900
#264943
oklch(37.7% 0.042 181.6)
-
Step 950
950 (this color)
#091D1A
oklch(21.3% 0.027 182.7)
#091D1A 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) | #1B1B1A | 0.028 |
| Deuteranopia (no green cones) | #18191A | 0.026 |
| Tritanopia (no blue cones) | #021E1C | 0.008 |
| Achromatopsia (no color) | #1A1A1A | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #091D1A
#091D1A
oklch(21.3% 0.027 182.7)
- #231418
#231418
oklch(21.3% 0.026 2.1)
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 #091D1A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.036
- Rich Navy #001219 ΔE 0.048
- Jet #212529 ΔE 0.055
- Dark #1B2431 ΔE 0.056
- Almost Black #070D0D ΔE 0.063
- Oxford Blue #1B263B ΔE 0.073
- Dark Forest Green #002D04 ΔE 0.079
- Dark Brown #341C02 ΔE 0.082
Use #091D1A 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.