#42111F
Closest named color: Mahogany (#4A0100). oklch(26.5% 0.077 6.6), rgb(66, 17, 31).
Aa
White text reads best on this color (15.77:1).
About this color
#42111F is a dark, moderately saturated red. In OKLCH its lightness is 26%, its chroma 0.077 and its hue 7°. Its hue sits on the warm side of the wheel. The nearest named color is Mahogany (#4A0100), ΔE 0.046 away. White text reads best on it, at 15.77:1.
| Hue family | Reds |
| Lightness | dark (26%) |
| Chroma | moderately saturated (0.077) |
| Temperature | warm |
| Nearest name | Mahogany (#4A0100) |
| Black text | 1.33:1 |
| White text | 15.77:1 |
Values
| HEX | #42111F |
| RGB | rgb(66, 17, 31) |
| HSL | hsl(343, 59%, 16%) |
| OKLCH | oklch(26.5% 0.077 6.6) |
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 #42111F | 15.77:1 | AAA | Lc -104.9 | Preferred for body text |
| Black text on #42111F | 1.33:1 | Fails | Lc 0.0 | Not readable |
| #42111F text on white | 15.77:1 | AAA | Lc 102.2 | Preferred for body text |
| #42111F text on black | 1.33:1 | 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
#FDF2F4
oklch(97% 0.012 4.7)
-
Step 100
100
#FBE3E7
oklch(93.6% 0.027 6.2)
-
Step 200
200
#F8CCD4
oklch(88.5% 0.051 5.9)
-
Step 300
300
#F4A8B7
oklch(80.9% 0.091 6.3)
-
Step 400
400
#EA7692
oklch(70.6% 0.145 6.2)
-
Step 500
500
#E04C77
oklch(63.1% 0.186 6.5)
-
Step 600
600
#CB2560
oklch(55.6% 0.201 6.5)
-
Step 700
700
#AF134F
oklch(49.1% 0.187 6.6)
-
Step 800
800
#8E1641
oklch(42.6% 0.155 6.4)
-
Step 900
900
#721C37
oklch(37.6% 0.121 6.3)
-
Step 950
950 (this color)
#42111F
oklch(26.5% 0.077 6.6)
#42111F 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) | #1C1D1F | 0.085 |
| Deuteranopia (no green cones) | #29261E | 0.076 |
| Tritanopia (no blue cones) | #480A17 | 0.019 |
| Achromatopsia (no color) | #232323 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42111F
#42111F
oklch(26.5% 0.077 6.6)
- #002C29
#002C29
oklch(26.4% 0.046 187.8)
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 #42111F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mahogany #4A0100 ΔE 0.046
- Dark Maroon #3C0008 ΔE 0.047
- Dark Plum #3F012C ΔE 0.047
- Deep Brown #410200 ΔE 0.048
- Aubergine #3D0734 ΔE 0.052
- Chocolate Brown #411900 ΔE 0.054
- Eggplant #380835 ΔE 0.059
- Dark Brown #341C02 ΔE 0.067
Use #42111F 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.