#210D21
Closest named color: Very Dark Purple (#2A0134). oklch(19.9% 0.048 327.2), rgb(33, 13, 33).
Aa
White text reads best on this color (18.35:1).
About this color
#210D21 is a very dark, muted purple. In OKLCH its lightness is 20%, its chroma 0.048 and its hue 327°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Very Dark Purple (#2A0134), ΔE 0.053 away. White text reads best on it, at 18.35:1.
| Hue family | Purples |
| Lightness | very dark (20%) |
| Chroma | muted (0.048) |
| Temperature | in between |
| Nearest name | Very Dark Purple (#2A0134) |
| Black text | 1.14:1 |
| White text | 18.35:1 |
Values
| HEX | #210D21 |
| RGB | rgb(33, 13, 33) |
| HSL | hsl(300, 43%, 9%) |
| OKLCH | oklch(19.9% 0.048 327.2) |
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 #210D21 | 18.35:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #210D21 | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #210D21 text on white | 18.35:1 | AAA | Lc 104.9 | Preferred for body text |
| #210D21 text on black | 1.14:1 | 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
#F8F4F8
oklch(97.1% 0.007 325.6)
-
Step 100
100
#F0E6F0
oklch(93.6% 0.017 325.7)
-
Step 200
200
#E5D2E4
oklch(88.5% 0.032 327.4)
-
Step 300
300
#D5B4D4
oklch(80.8% 0.057 327)
-
Step 400
400
#BF8CBE
oklch(70.6% 0.092 327.1)
-
Step 500
500
#AF6FAE
oklch(63.2% 0.117 327.4)
-
Step 600
600
#9A5699
oklch(55.7% 0.127 327.6)
-
Step 700
700
#834683
oklch(49.1% 0.118 327.2)
-
Step 800
800
#6B3A6A
oklch(42.8% 0.097 327.8)
-
Step 900
900
#573256
oklch(37.7% 0.076 327.9)
-
Step 950
950 (this color)
#210D21
oklch(19.9% 0.048 327.2)
#210D21 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) | #0B1322 | 0.047 |
| Deuteranopia (no green cones) | #111520 | 0.041 |
| Tritanopia (no blue cones) | #220F15 | 0.027 |
| Achromatopsia (no color) | #141414 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #210D21
#210D21
oklch(19.9% 0.048 327.2)
- #041B08
#041B08
oklch(19.7% 0.048 147.7)
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 #210D21, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Purple #2A0134 ΔE 0.053
- Rich Black #0D1B2A ΔE 0.056
- Midnight Purple #280137 ΔE 0.056
- Eggplant #380835 ΔE 0.066
- Rich Navy #001219 ΔE 0.071
- Almost Black #070D0D ΔE 0.072
- Dark Purple #35063E ΔE 0.073
- Very Dark Brown #1D0200 ΔE 0.074
Use #210D21 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.