#210D40
Closest named color: Midnight Purple (#280137). oklch(22.5% 0.091 296.2), rgb(33, 13, 64).
Aa
White text reads best on this color (17.55:1).
About this color
#210D40 is a very dark, moderately saturated purple. In OKLCH its lightness is 22%, its chroma 0.091 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Midnight Purple (#280137), ΔE 0.035 away. White text reads best on it, at 17.55:1.
| Hue family | Purples |
| Lightness | very dark (22%) |
| Chroma | moderately saturated (0.091) |
| Temperature | in between |
| Nearest name | Midnight Purple (#280137) |
| Black text | 1.19:1 |
| White text | 17.55:1 |
Values
| HEX | #210D40 |
| RGB | rgb(33, 13, 64) |
| HSL | hsl(264, 66%, 15%) |
| OKLCH | oklch(22.5% 0.091 296.2) |
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 #210D40 | 17.55:1 | AAA | Lc -106.4 | Preferred for body text |
| Black text on #210D40 | 1.19:1 | Fails | Lc 0.0 | Not readable |
| #210D40 text on white | 17.55:1 | AAA | Lc 104.0 | Preferred for body text |
| #210D40 text on black | 1.19:1 | 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
#F6F4FE
oklch(97.2% 0.013 295.3)
-
Step 100
100
#EBE6FD
oklch(93.6% 0.031 295.8)
-
Step 200
200
#DCD2FD
oklch(88.5% 0.059 295.8)
-
Step 300
300
#C7B2FF
oklch(80.9% 0.109 296.4)
-
Step 400
400
#AC86FE
oklch(70.7% 0.172 296.3)
-
Step 500
500
#9961FC
oklch(63% 0.22 296.1)
-
Step 600
600
#8640EB
oklch(55.6% 0.239 296.4)
-
Step 700
700
#722FCD
oklch(49.2% 0.223 296.3)
-
Step 800
800
#5C2AA5
oklch(42.7% 0.184 296.2)
-
Step 900
900
#4B2983
oklch(37.7% 0.143 296.2)
-
Step 950
950 (this color)
#210D40
oklch(22.5% 0.091 296.2)
#210D40 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) | #001942 | 0.057 |
| Deuteranopia (no green cones) | #00183F | 0.057 |
| Tritanopia (no blue cones) | #191A25 | 0.071 |
| Achromatopsia (no color) | #191919 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #210D40
#210D40
oklch(22.5% 0.091 296.2)
- #1B1E00
#1B1E00
oklch(22.4% 0.051 115)
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 #210D40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Purple #280137 ΔE 0.035
- Dark Indigo #1F0954 ΔE 0.039
- Very Dark Purple #2A0134 ΔE 0.041
- Dark Purple #35063E ΔE 0.048
- Deep Purple #36013F ΔE 0.052
- Navy Blue #001146 ΔE 0.059
- Eggplant #380835 ΔE 0.059
- Night Blue #040348 ΔE 0.068
Use #210D40 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.