#210210
Closest named color: Very Dark Brown (#1D0200). oklch(16.7% 0.06 355.2), rgb(33, 2, 16).
Aa
White text reads best on this color (19.42:1).
About this color
#210210 is a very dark, muted red. In OKLCH its lightness is 17%, its chroma 0.060 and its hue 355°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.042 away. White text reads best on it, at 19.42:1.
| Hue family | Reds |
| Lightness | very dark (17%) |
| Chroma | muted (0.060) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.08:1 |
| White text | 19.42:1 |
Values
| HEX | #210210 |
| RGB | rgb(33, 2, 16) |
| HSL | hsl(333, 89%, 7%) |
| OKLCH | oklch(16.7% 0.06 355.2) |
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 #210210 | 19.42:1 | AAA | Lc -107.3 | Preferred for body text |
| Black text on #210210 | 1.08:1 | Fails | Lc 0.0 | Not readable |
| #210210 text on white | 19.42:1 | AAA | Lc 105.3 | Preferred for body text |
| #210210 text on black | 1.08:1 | 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
#FBF3F6
oklch(97.1% 0.009 352.4)
-
Step 100
100
#F6E4EA
oklch(93.5% 0.021 355.2)
-
Step 200
200
#F0CFDA
oklch(88.5% 0.04 355.8)
-
Step 300
300
#E7AEC3
oklch(80.9% 0.072 354.9)
-
Step 400
400
#D881A4
oklch(70.6% 0.115 354.8)
-
Step 500
500
#CC5F8E
oklch(63.2% 0.147 355.1)
-
Step 600
600
#B74378
oklch(55.7% 0.159 355.2)
-
Step 700
700
#9D3365
oklch(49.1% 0.149 354.9)
-
Step 800
800
#7F2C52
oklch(42.7% 0.121 355.1)
-
Step 900
900
#672844
oklch(37.6% 0.096 355)
-
Step 950
950 (this color)
#210210
oklch(16.7% 0.06 355.2)
#210210 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) | #060910 | 0.069 |
| Deuteranopia (no green cones) | #0F0F0F | 0.060 |
| Tritanopia (no blue cones) | #250007 | 0.021 |
| Achromatopsia (no color) | #0D0D0D | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #210210
#210210
oklch(16.7% 0.06 355.2)
- #00130E
#00130E
oklch(16.7% 0.031 175.4)
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 #210210, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.042
- Almost Black #070D0D ΔE 0.071
- Dark Maroon #3C0008 ΔE 0.073
- Very Dark Purple #2A0134 ΔE 0.075
- Midnight Purple #280137 ΔE 0.080
- Rich Navy #001219 ΔE 0.085
- Deep Brown #410200 ΔE 0.091
- Dark Plum #3F012C ΔE 0.091
Use #210210 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.