#09221F
Closest named color: Rich Black (#0D1B2A). oklch(23.1% 0.031 184.7), rgb(9, 34, 31).
Aa
White text reads best on this color (16.66:1).
About this color
#09221F is a very dark, muted teal or cyan. In OKLCH its lightness is 23%, its chroma 0.031 and its hue 185°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.039 away. White text reads best on it, at 16.66:1.
| Hue family | Teals and cyans |
| Lightness | very dark (23%) |
| Chroma | muted (0.031) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.26:1 |
| White text | 16.66:1 |
Values
| HEX | #09221F |
| RGB | rgb(9, 34, 31) |
| HSL | hsl(173, 58%, 8%) |
| OKLCH | oklch(23.1% 0.031 184.7) |
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 #09221F | 16.66:1 | AAA | Lc -105.9 | Preferred for body text |
| Black text on #09221F | 1.26:1 | Fails | Lc 0.0 | Not readable |
| #09221F text on white | 16.66:1 | AAA | Lc 103.5 | Preferred for body text |
| #09221F text on black | 1.26:1 | 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
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2ECEB
oklch(93.5% 0.011 189.8)
-
Step 200
200
#CBDEDB
oklch(88.6% 0.021 185.4)
-
Step 300
300
#A7C9C3
oklch(80.9% 0.037 183.5)
-
Step 400
400
#76ADA5
oklch(70.7% 0.059 184.6)
-
Step 500
500
#4E998F
oklch(63.2% 0.077 184.2)
-
Step 600
600
#2D8379
oklch(55.6% 0.083 184.3)
-
Step 700
700
#1E6F66
oklch(49.2% 0.077 184.3)
-
Step 800
800
#1C5A53
oklch(42.6% 0.063 184.6)
-
Step 900
900
#1E4A45
oklch(37.7% 0.049 185.4)
-
Step 950
950 (this color)
#09221F
oklch(23.1% 0.031 184.7)
#09221F 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) | #20201F | 0.033 |
| Deuteranopia (no green cones) | #1C1D1F | 0.031 |
| Tritanopia (no blue cones) | #002321 | 0.009 |
| Achromatopsia (no color) | #1E1E1E | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #09221F
#09221F
oklch(23.1% 0.031 184.7)
- #2A171B
#2A171B
oklch(23.2% 0.031 6.1)
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 #09221F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.039
- Jet #212529 ΔE 0.042
- Dark #1B2431 ΔE 0.044
- Oxford Blue #1B263B ΔE 0.061
- Rich Navy #001219 ΔE 0.066
- Dark Forest Green #002D04 ΔE 0.068
- Very Dark Green #062E03 ΔE 0.071
- Dark Brown #341C02 ΔE 0.078
Use #09221F 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.