#12122C
Closest named color: Rich Black (#0D1B2A). oklch(19.9% 0.051 280.7), rgb(18, 18, 44).
Aa
White text reads best on this color (18.28:1).
About this color
#12122C is a very dark, muted purple. In OKLCH its lightness is 20%, its chroma 0.051 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.033 away. White text reads best on it, at 18.28:1.
| Hue family | Purples |
| Lightness | very dark (20%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.14:1 |
| White text | 18.28:1 |
Values
| HEX | #12122C |
| RGB | rgb(18, 18, 44) |
| HSL | hsl(240, 42%, 12%) |
| OKLCH | oklch(19.9% 0.051 280.7) |
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 #12122C | 18.28:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #12122C | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #12122C text on white | 18.28:1 | AAA | Lc 104.9 | Preferred for body text |
| #12122C 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F6
oklch(93.6% 0.018 279.1)
-
Step 200
200
#D4D7F0
oklch(88.5% 0.034 280.2)
-
Step 300
300
#B9BDE8
oklch(81% 0.061 280.8)
-
Step 400
400
#959ADC
oklch(70.7% 0.096 280.3)
-
Step 500
500
#7C7FD2
oklch(63% 0.124 280.6)
-
Step 600
600
#6667BF
oklch(55.5% 0.134 280.6)
-
Step 700
700
#5555A5
oklch(49% 0.125 280.7)
-
Step 800
800
#464686
oklch(42.7% 0.104 281.1)
-
Step 900
900
#3A3B6B
oklch(37.6% 0.081 280.8)
-
Step 950
950 (this color)
#12122C
oklch(19.9% 0.051 280.7)
#12122C 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) | #07162D | 0.020 |
| Deuteranopia (no green cones) | #06142B | 0.020 |
| Tritanopia (no blue cones) | #09181C | 0.046 |
| Achromatopsia (no color) | #151515 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #12122C
#12122C
oklch(19.9% 0.051 280.7)
- #1A1600
#1A1600
oklch(19.9% 0.041 100.7)
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 #12122C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.033
- Rich Navy #001219 ΔE 0.053
- Navy Blue #001146 ΔE 0.057
- Dark Navy #000435 ΔE 0.062
- Dark #1B2431 ΔE 0.065
- Midnight Purple #280137 ΔE 0.066
- Very Dark Purple #2A0134 ΔE 0.067
- Midnight #03012D ΔE 0.069
Use #12122C 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.