#4C0018
Closest named color: Mahogany (#4A0100). oklch(26.6% 0.106 11.2), rgb(76, 0, 24).
Aa
White text reads best on this color (15.90:1).
About this color
#4C0018 is a dark, moderately saturated red. In OKLCH its lightness is 27%, its chroma 0.106 and its hue 11°. Its hue sits on the warm side of the wheel. The nearest named color is Mahogany (#4A0100), ΔE 0.035 away. White text reads best on it, at 15.90:1.
| Hue family | Reds |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.106) |
| Temperature | warm |
| Nearest name | Mahogany (#4A0100) |
| Black text | 1.32:1 |
| White text | 15.90:1 |
Values
| HEX | #4C0018 |
| RGB | rgb(76, 0, 24) |
| HSL | hsl(341, 100%, 15%) |
| OKLCH | oklch(26.6% 0.106 11.2) |
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 #4C0018 | 15.90:1 | AAA | Lc -104.4 | Preferred for body text |
| Black text on #4C0018 | 1.32:1 | Fails | Lc 0.0 | Not readable |
| #4C0018 text on white | 15.90:1 | AAA | Lc 101.5 | Preferred for body text |
| #4C0018 text on black | 1.32:1 | 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
#FFF2F3
oklch(97.2% 0.014 12)
-
Step 100
100
#FFE1E4
oklch(93.5% 0.033 10.9)
-
Step 200
200
#FFC9CF
oklch(88.5% 0.062 10.9)
-
Step 300
300
#FFA2AF
oklch(80.9% 0.111 10.8)
-
Step 400
400
#FF6382
oklch(70.7% 0.19 11.4)
-
Step 500
500
#FB0062
oklch(63.1% 0.252 11.2)
-
Step 600
600
#D40052
oklch(55.5% 0.222 11)
-
Step 700
700
#B40044
oklch(49.1% 0.196 11.2)
-
Step 800
800
#950037
oklch(42.8% 0.171 11.1)
-
Step 900
900
#7D002D
oklch(37.6% 0.15 11.1)
-
Step 950
950 (this color)
#4C0018
oklch(26.6% 0.106 11.2)
#4C0018 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) | #181818 | 0.120 |
| Deuteranopia (no green cones) | #2B2716 | 0.108 |
| Tritanopia (no blue cones) | #54000A | 0.029 |
| Achromatopsia (no color) | #222222 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C0018
#4C0018
oklch(26.6% 0.106 11.2)
- #002C2B
#002C2B
oklch(26.5% 0.045 192.4)
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 #4C0018, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mahogany #4A0100 ΔE 0.035
- Deep Brown #410200 ΔE 0.045
- Dark Maroon #3C0008 ΔE 0.046
- Dark Plum #3F012C ΔE 0.052
- Burgundy #610023 ΔE 0.053
- Aubergine #3D0734 ΔE 0.064
- Chocolate Brown #411900 ΔE 0.067
- Claret #680018 ΔE 0.068
Use #4C0018 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.