#09221E
Closest named color: Rich Black (#0D1B2A). oklch(23.1% 0.032 181.3), rgb(9, 34, 30).
Aa
White text reads best on this color (16.67:1).
About this color
#09221E is a very dark, muted teal or cyan. In OKLCH its lightness is 23%, its chroma 0.032 and its hue 181°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.041 away. White text reads best on it, at 16.67:1.
| Hue family | Teals and cyans |
| Lightness | very dark (23%) |
| Chroma | muted (0.032) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.25:1 |
| White text | 16.67:1 |
Values
| HEX | #09221E |
| RGB | rgb(9, 34, 30) |
| HSL | hsl(170, 58%, 8%) |
| OKLCH | oklch(23.1% 0.032 181.3) |
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 #09221E | 16.67:1 | AAA | Lc -106.0 | Preferred for body text |
| Black text on #09221E | 1.25:1 | Fails | Lc 0.0 | Not readable |
| #09221E text on white | 16.67:1 | AAA | Lc 103.5 | Preferred for body text |
| #09221E text on black | 1.25:1 | 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
#E2ECEA
oklch(93.5% 0.011 182.9)
-
Step 200
200
#CBDEDA
oklch(88.5% 0.021 181.8)
-
Step 300
300
#A7C9C2
oklch(80.9% 0.038 181.5)
-
Step 400
400
#76ADA3
oklch(70.6% 0.06 181.9)
-
Step 500
500
#4F998C
oklch(63.1% 0.077 180.9)
-
Step 600
600
#2D8376
oklch(55.5% 0.084 181.3)
-
Step 700
700
#1E6F63
oklch(49.1% 0.078 180.9)
-
Step 800
800
#1C5A51
oklch(42.6% 0.064 181.7)
-
Step 900
900
#1E4A43
oklch(37.6% 0.05 181.6)
-
Step 950
950 (this color)
#09221E
oklch(23.1% 0.032 181.3)
#09221E 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) | #20201E | 0.033 |
| Deuteranopia (no green cones) | #1C1D1E | 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°).
- #09221E
#09221E
oklch(23.1% 0.032 181.3)
- #2A171C
#2A171C
oklch(23.2% 0.032 2.7)
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 #09221E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.041
- Jet #212529 ΔE 0.043
- Dark #1B2431 ΔE 0.046
- Oxford Blue #1B263B ΔE 0.062
- Rich Navy #001219 ΔE 0.066
- Dark Forest Green #002D04 ΔE 0.067
- Very Dark Green #062E03 ΔE 0.069
- Dark Brown #341C02 ΔE 0.078
Use #09221E 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.