#400718
Closest named color: Dark Maroon (#3C0008). oklch(24.7% 0.086 9.1), rgb(64, 7, 24).
Aa
White text reads best on this color (16.64:1).
About this color
#400718 is a very dark, moderately saturated red. In OKLCH its lightness is 25%, its chroma 0.086 and its hue 9°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.028 away. White text reads best on it, at 16.64:1.
| Hue family | Reds |
| Lightness | very dark (25%) |
| Chroma | moderately saturated (0.086) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.26:1 |
| White text | 16.64:1 |
Values
| HEX | #400718 |
| RGB | rgb(64, 7, 24) |
| HSL | hsl(342, 80%, 14%) |
| OKLCH | oklch(24.7% 0.086 9.1) |
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 #400718 | 16.64:1 | AAA | Lc -105.4 | Preferred for body text |
| Black text on #400718 | 1.26:1 | Fails | Lc 0.0 | Not readable |
| #400718 text on white | 16.64:1 | AAA | Lc 102.8 | Preferred for body text |
| #400718 text on black | 1.26:1 | 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
#FEF2F3
oklch(97.1% 0.013 11.5)
-
Step 100
100
#FDE2E6
oklch(93.6% 0.03 7.5)
-
Step 200
200
#FCCAD1
oklch(88.5% 0.057 8.9)
-
Step 300
300
#FAA5B3
oklch(80.9% 0.102 8.8)
-
Step 400
400
#F36F8B
oklch(70.7% 0.164 9)
-
Step 500
500
#EA3E6F
oklch(63.1% 0.209 8.9)
-
Step 600
600
#D40057
oklch(55.7% 0.223 9.2)
-
Step 700
700
#B30049
oklch(49.1% 0.196 8.9)
-
Step 800
800
#94003B
oklch(42.7% 0.171 8.9)
-
Step 900
900
#781232
oklch(37.7% 0.136 9.2)
-
Step 950
950 (this color)
#400718
oklch(24.7% 0.086 9.1)
#400718 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) | #161718 | 0.097 |
| Deuteranopia (no green cones) | #252217 | 0.087 |
| Tritanopia (no blue cones) | #47000E | 0.022 |
| Achromatopsia (no color) | #1E1E1E | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #400718
#400718
oklch(24.7% 0.086 9.1)
- #002725
#002725
oklch(24.6% 0.043 189.6)
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 #400718, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.028
- Deep Brown #410200 ΔE 0.035
- Mahogany #4A0100 ΔE 0.040
- Dark Plum #3F012C ΔE 0.043
- Aubergine #3D0734 ΔE 0.055
- Eggplant #380835 ΔE 0.060
- Chocolate Brown #411900 ΔE 0.060
- Dark Brown #341C02 ΔE 0.071
Use #400718 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.