#21123F
Closest named color: Midnight Purple (#280137). oklch(23.2% 0.082 294.5), rgb(33, 18, 63).
Aa
White text reads best on this color (17.17:1).
About this color
#21123F is a very dark, moderately saturated purple. In OKLCH its lightness is 23%, its chroma 0.082 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Midnight Purple (#280137), ΔE 0.043 away. White text reads best on it, at 17.17:1.
| Hue family | Purples |
| Lightness | very dark (23%) |
| Chroma | moderately saturated (0.082) |
| Temperature | in between |
| Nearest name | Midnight Purple (#280137) |
| Black text | 1.22:1 |
| White text | 17.17:1 |
Values
| HEX | #21123F |
| RGB | rgb(33, 18, 63) |
| HSL | hsl(260, 56%, 16%) |
| OKLCH | oklch(23.2% 0.082 294.5) |
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 #21123F | 17.17:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #21123F | 1.22:1 | Fails | Lc 0.0 | Not readable |
| #21123F text on white | 17.17:1 | AAA | Lc 103.8 | Preferred for body text |
| #21123F 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
#F6F4FE
oklch(97.2% 0.013 295.3)
-
Step 100
100
#EBE7FB
oklch(93.7% 0.027 295)
-
Step 200
200
#DBD3FA
oklch(88.6% 0.054 294.7)
-
Step 300
300
#C4B5F9
oklch(80.9% 0.096 294.3)
-
Step 400
400
#A88BF6
oklch(70.8% 0.154 294.6)
-
Step 500
500
#9469F3
oklch(63.1% 0.198 294.4)
-
Step 600
600
#804BE1
oklch(55.6% 0.215 294.6)
-
Step 700
700
#6C3BC4
oklch(49.1% 0.2 294.2)
-
Step 800
800
#58329E
oklch(42.7% 0.166 294.5)
-
Step 900
900
#482E7E
oklch(37.8% 0.129 294.3)
-
Step 950
950 (this color)
#21123F
oklch(23.2% 0.082 294.5)
#21123F 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) | #001C40 | 0.053 |
| Deuteranopia (no green cones) | #001B3E | 0.053 |
| Tritanopia (no blue cones) | #191C26 | 0.064 |
| Achromatopsia (no color) | #1B1B1B | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #21123F
#21123F
oklch(23.2% 0.082 294.5)
- #1D2000
#1D2000
oklch(23.2% 0.053 114.7)
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 #21123F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Purple #280137 ΔE 0.043
- Dark Indigo #1F0954 ΔE 0.043
- Very Dark Purple #2A0134 ΔE 0.047
- Dark Purple #35063E ΔE 0.049
- Deep Purple #36013F ΔE 0.055
- Eggplant #380835 ΔE 0.058
- Navy Blue #001146 ΔE 0.058
- Rich Black #0D1B2A ΔE 0.063
Use #21123F 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.