#42182A
Closest named color: Aubergine (#3D0734). oklch(27.9% 0.069 355.7), rgb(66, 24, 42).
Aa
White text reads best on this color (15.04:1).
About this color
#42182A is a dark, muted red. In OKLCH its lightness is 28%, its chroma 0.069 and its hue 356°. Its hue sits on the warm side of the wheel. The nearest named color is Aubergine (#3D0734), ΔE 0.048 away. White text reads best on it, at 15.04:1.
| Hue family | Reds |
| Lightness | dark (28%) |
| Chroma | muted (0.069) |
| Temperature | warm |
| Nearest name | Aubergine (#3D0734) |
| Black text | 1.39:1 |
| White text | 15.04:1 |
Values
| HEX | #42182A |
| RGB | rgb(66, 24, 42) |
| HSL | hsl(334, 47%, 18%) |
| OKLCH | oklch(27.9% 0.069 355.7) |
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 #42182A | 15.04:1 | AAA | Lc -104.4 | Preferred for body text |
| Black text on #42182A | 1.39:1 | Fails | Lc 0.0 | Not readable |
| #42182A text on white | 15.04:1 | AAA | Lc 101.6 | Preferred for body text |
| #42182A text on black | 1.39:1 | 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
#FCF3F6
oklch(97.2% 0.01 354.9)
-
Step 100
100
#F8E4EA
oklch(93.7% 0.023 357.4)
-
Step 200
200
#F3CDDA
oklch(88.4% 0.046 355.5)
-
Step 300
300
#ECABC3
oklch(80.9% 0.082 355.2)
-
Step 400
400
#E07CA4
oklch(70.8% 0.131 355.6)
-
Step 500
500
#D4568D
oklch(63.1% 0.168 355.8)
-
Step 600
600
#BF3677
oklch(55.6% 0.182 355.8)
-
Step 700
700
#A42764
oklch(49% 0.169 355.7)
-
Step 800
800
#852352
oklch(42.6% 0.139 355.4)
-
Step 900
900
#6C2344
oklch(37.8% 0.109 355.7)
-
Step 950
950 (this color)
#42182A
oklch(27.9% 0.069 355.7)
#42182A 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) | #1E222B | 0.076 |
| Deuteranopia (no green cones) | #292929 | 0.069 |
| Tritanopia (no blue cones) | #47151F | 0.021 |
| Achromatopsia (no color) | #262626 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42182A
#42182A
oklch(27.9% 0.069 355.7)
- #003128
#003128
oklch(28% 0.052 176.4)
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 #42182A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aubergine #3D0734 ΔE 0.048
- Dark Plum #3F012C ΔE 0.050
- Eggplant #380835 ΔE 0.055
- Eggplant Purple #430541 ΔE 0.062
- Chocolate Brown #411900 ΔE 0.064
- Mahogany #4A0100 ΔE 0.065
- Dark Maroon #3C0008 ΔE 0.068
- Deep Brown #410200 ΔE 0.068
Use #42182A 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.