#210606
Closest named color: Very Dark Brown (#1D0200). oklch(17.3% 0.048 23.5), rgb(33, 6, 6).
Aa
White text reads best on this color (19.20:1).
About this color
#210606 is a very dark, muted red. In OKLCH its lightness is 17%, its chroma 0.048 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.024 away. White text reads best on it, at 19.20:1.
| Hue family | Reds |
| Lightness | very dark (17%) |
| Chroma | muted (0.048) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.09:1 |
| White text | 19.20:1 |
Values
| HEX | #210606 |
| RGB | rgb(33, 6, 6) |
| HSL | hsl(0, 69%, 8%) |
| OKLCH | oklch(17.3% 0.048 23.5) |
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 #210606 | 19.20:1 | AAA | Lc -107.3 | Preferred for body text |
| Black text on #210606 | 1.09:1 | Fails | Lc 0.0 | Not readable |
| #210606 text on white | 19.20:1 | AAA | Lc 105.3 | Preferred for body text |
| #210606 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
#FBF4F3
oklch(97.2% 0.008 27.2)
-
Step 100
100
#F5E6E5
oklch(93.7% 0.016 22.1)
-
Step 200
200
#EDD2CF
oklch(88.5% 0.031 25.3)
-
Step 300
300
#E3B3AF
oklch(80.9% 0.056 23.9)
-
Step 400
400
#D38A85
oklch(70.6% 0.09 23.9)
-
Step 500
500
#C66B67
oklch(63.1% 0.116 23.5)
-
Step 600
600
#B1514F
oklch(55.6% 0.126 23.2)
-
Step 700
700
#984140
oklch(49.1% 0.117 23)
-
Step 800
800
#7B3635
oklch(42.6% 0.097 22.9)
-
Step 900
900
#64302E
oklch(37.8% 0.075 23.6)
-
Step 950
950 (this color)
#210606
oklch(17.3% 0.048 23.5)
#210606 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) | #0D0B06 | 0.050 |
| Deuteranopia (no green cones) | #131105 | 0.049 |
| Tritanopia (no blue cones) | #250306 | 0.013 |
| Achromatopsia (no color) | #0F0F0F | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #210606
#210606
oklch(17.3% 0.048 23.5)
- #001416
#001416
oklch(17.4% 0.03 202.8)
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 #210606, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.024
- Almost Black #070D0D ΔE 0.061
- Dark Maroon #3C0008 ΔE 0.068
- Rich Navy #001219 ΔE 0.078
- Deep Brown #410200 ΔE 0.081
- Dark Brown #341C02 ΔE 0.088
- Rich Black #0D1B2A ΔE 0.089
- Very Dark Purple #2A0134 ΔE 0.097
Use #210606 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.