#12122F
Closest named color: Rich Black (#0D1B2A). oklch(20.1% 0.056 280.1), rgb(18, 18, 47).
Aa
White text reads best on this color (18.20:1).
About this color
#12122F is a very dark, muted purple. In OKLCH its lightness is 20%, its chroma 0.056 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.035 away. White text reads best on it, at 18.20:1.
| Hue family | Purples |
| Lightness | very dark (20%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.15:1 |
| White text | 18.20:1 |
Values
| HEX | #12122F |
| RGB | rgb(18, 18, 47) |
| HSL | hsl(240, 45%, 13%) |
| OKLCH | oklch(20.1% 0.056 280.1) |
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 #12122F | 18.20:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #12122F | 1.15:1 | Fails | Lc 0.0 | Not readable |
| #12122F text on white | 18.20:1 | AAA | Lc 104.8 | Preferred for body text |
| #12122F text on black | 1.15:1 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E7E9F7
oklch(93.7% 0.019 279.5)
-
Step 200
200
#D4D7F2
oklch(88.5% 0.037 280.6)
-
Step 300
300
#B8BDEC
oklch(81% 0.066 280)
-
Step 400
400
#9399E2
oklch(70.7% 0.107 279.7)
-
Step 500
500
#7A7EDA
oklch(63.1% 0.137 279.8)
-
Step 600
600
#6565C7
oklch(55.6% 0.148 280.4)
-
Step 700
700
#5454AC
oklch(49.2% 0.137 280.1)
-
Step 800
800
#44458C
oklch(42.7% 0.115 279.8)
-
Step 900
900
#393B70
oklch(37.8% 0.089 279.6)
-
Step 950
950 (this color)
#12122F
oklch(20.1% 0.056 280.1)
#12122F 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) | #051630 | 0.022 |
| Deuteranopia (no green cones) | #03142E | 0.024 |
| Tritanopia (no blue cones) | #07181E | 0.048 |
| Achromatopsia (no color) | #151515 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #12122F
#12122F
oklch(20.1% 0.056 280.1)
- #1B1600
#1B1600
oklch(20% 0.041 98.4)
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 #12122F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.035
- Navy Blue #001146 ΔE 0.052
- Rich Navy #001219 ΔE 0.057
- Dark Navy #000435 ΔE 0.060
- Midnight Purple #280137 ΔE 0.063
- Dark #1B2431 ΔE 0.065
- Very Dark Purple #2A0134 ΔE 0.066
- Night Blue #040348 ΔE 0.066
Use #12122F 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.