#21133C
Closest named color: Midnight Purple (#280137). oklch(23.1% 0.076 295.6), rgb(33, 19, 60).
Aa
White text reads best on this color (17.16:1).
About this color
#21133C is a very dark, moderately saturated purple. In OKLCH its lightness is 23%, its chroma 0.076 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 0.044 away. White text reads best on it, at 17.16:1.
| Hue family | Purples |
| Lightness | very dark (23%) |
| Chroma | moderately saturated (0.076) |
| Temperature | in between |
| Nearest name | Midnight Purple (#280137) |
| Black text | 1.22:1 |
| White text | 17.16:1 |
Values
| HEX | #21133C |
| RGB | rgb(33, 19, 60) |
| HSL | hsl(260, 52%, 15%) |
| OKLCH | oklch(23.1% 0.076 295.6) |
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 #21133C | 17.16:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #21133C | 1.22:1 | Fails | Lc 0.0 | Not readable |
| #21133C text on white | 17.16:1 | AAA | Lc 103.9 | Preferred for body text |
| #21133C text on black | 1.22:1 | 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
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#EBE7FA
oklch(93.7% 0.026 295.5)
-
Step 200
200
#DBD3F7
oklch(88.5% 0.05 295.5)
-
Step 300
300
#C5B5F5
oklch(80.9% 0.091 295.8)
-
Step 400
400
#A98CEF
oklch(70.7% 0.143 296)
-
Step 500
500
#956CEA
oklch(63.1% 0.183 295.7)
-
Step 600
600
#8050D8
oklch(55.6% 0.199 295.4)
-
Step 700
700
#6D3FBB
oklch(49.1% 0.185 295.9)
-
Step 800
800
#583598
oklch(42.6% 0.154 295.4)
-
Step 900
900
#483079
oklch(37.7% 0.119 295.2)
-
Step 950
950 (this color)
#21133C
oklch(23.1% 0.076 295.6)
#21133C 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) | #001C3D | 0.053 |
| Deuteranopia (no green cones) | #031B3B | 0.050 |
| Tritanopia (no blue cones) | #1A1C25 | 0.059 |
| Achromatopsia (no color) | #1B1B1B | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #21133C
#21133C
oklch(23.1% 0.076 295.6)
- #1C2000
#1C2000
oklch(23.1% 0.053 116.3)
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 #21133C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Purple #280137 ΔE 0.044
- Very Dark Purple #2A0134 ΔE 0.047
- Dark Indigo #1F0954 ΔE 0.049
- Dark Purple #35063E ΔE 0.050
- Deep Purple #36013F ΔE 0.057
- Eggplant #380835 ΔE 0.057
- Rich Black #0D1B2A ΔE 0.058
- Oxford Blue #1B263B ΔE 0.060
Use #21133C 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.