#210828
Closest named color: Very Dark Purple (#2A0134). oklch(19.5% 0.068 318.2), rgb(33, 8, 40).
Aa
White text reads best on this color (18.58:1).
About this color
#210828 is a very dark, muted purple. In OKLCH its lightness is 20%, its chroma 0.068 and its hue 318°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Very Dark Purple (#2A0134), ΔE 0.035 away. White text reads best on it, at 18.58:1.
| Hue family | Purples |
| Lightness | very dark (20%) |
| Chroma | muted (0.068) |
| Temperature | in between |
| Nearest name | Very Dark Purple (#2A0134) |
| Black text | 1.13:1 |
| White text | 18.58:1 |
Values
| HEX | #210828 |
| RGB | rgb(33, 8, 40) |
| HSL | hsl(287, 67%, 9%) |
| OKLCH | oklch(19.5% 0.068 318.2) |
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 #210828 | 18.58:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #210828 | 1.13:1 | Fails | Lc 0.0 | Not readable |
| #210828 text on white | 18.58:1 | AAA | Lc 104.9 | Preferred for body text |
| #210828 text on black | 1.13:1 | 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
#F9F3FA
oklch(97.1% 0.011 321.3)
-
Step 100
100
#F1E5F4
oklch(93.6% 0.024 319.5)
-
Step 200
200
#E6D0ED
oklch(88.4% 0.046 318)
-
Step 300
300
#D7B1E2
oklch(81% 0.079 318.6)
-
Step 400
400
#C286D4
oklch(70.8% 0.128 318.2)
-
Step 500
500
#B265C8
oklch(63.2% 0.163 318.4)
-
Step 600
600
#9D49B5
oklch(55.6% 0.178 318.2)
-
Step 700
700
#86399C
oklch(49.1% 0.166 318.1)
-
Step 800
800
#6D307E
oklch(42.7% 0.137 318.3)
-
Step 900
900
#582C65
oklch(37.7% 0.105 318.1)
-
Step 950
950 (this color)
#210828
oklch(19.5% 0.068 318.2)
#210828 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) | #021129 | 0.065 |
| Deuteranopia (no green cones) | #091427 | 0.057 |
| Tritanopia (no blue cones) | #210D16 | 0.043 |
| Achromatopsia (no color) | #131313 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #210828
#210828
oklch(19.5% 0.068 318.2)
- #051B00
#051B00
oklch(19.6% 0.061 138.3)
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 #210828, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Purple #2A0134 ΔE 0.035
- Midnight Purple #280137 ΔE 0.037
- Eggplant #380835 ΔE 0.060
- Dark Purple #35063E ΔE 0.062
- Deep Purple #36013F ΔE 0.066
- Rich Black #0D1B2A ΔE 0.067
- Aubergine #3D0734 ΔE 0.071
- Dark Plum #3F012C ΔE 0.073
Use #210828 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.