#400F0F
Closest named color: Deep Brown (#410200). oklch(25.4% 0.076 24.4), rgb(64, 15, 15).
Aa
White text reads best on this color (16.23:1).
About this color
#400F0F is a dark, moderately saturated red. In OKLCH its lightness is 25%, its chroma 0.076 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Brown (#410200), ΔE 0.026 away. White text reads best on it, at 16.23:1.
| Hue family | Reds |
| Lightness | dark (25%) |
| Chroma | moderately saturated (0.076) |
| Temperature | warm |
| Nearest name | Deep Brown (#410200) |
| Black text | 1.29:1 |
| White text | 16.23:1 |
Values
| HEX | #400F0F |
| RGB | rgb(64, 15, 15) |
| HSL | hsl(0, 62%, 15%) |
| OKLCH | oklch(25.4% 0.076 24.4) |
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 #400F0F | 16.23:1 | AAA | Lc -105.3 | Preferred for body text |
| Black text on #400F0F | 1.29:1 | Fails | Lc 0.0 | Not readable |
| #400F0F text on white | 16.23:1 | AAA | Lc 102.7 | Preferred for body text |
| #400F0F text on black | 1.29:1 | 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
#FEF3F1
oklch(97.2% 0.012 29.9)
-
Step 100
100
#FBE4E1
oklch(93.7% 0.026 26.5)
-
Step 200
200
#F9CDC9
oklch(88.5% 0.05 24.2)
-
Step 300
300
#F6AAA4
oklch(80.9% 0.091 24.3)
-
Step 400
400
#ED7973
oklch(70.7% 0.144 24.4)
-
Step 500
500
#E34F4E
oklch(63% 0.184 24.4)
-
Step 600
600
#CF2832
oklch(55.6% 0.201 24.3)
-
Step 700
700
#B21725
oklch(49% 0.186 24.2)
-
Step 800
800
#911920
oklch(42.7% 0.154 24.3)
-
Step 900
900
#741E1F
oklch(37.6% 0.12 24.4)
-
Step 950
950 (this color)
#400F0F
oklch(25.4% 0.076 24.4)
#400F0F 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) | #1C1A0F | 0.083 |
| Deuteranopia (no green cones) | #29240E | 0.074 |
| Tritanopia (no blue cones) | #470410 | 0.022 |
| Achromatopsia (no color) | #202020 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #400F0F
#400F0F
oklch(25.4% 0.076 24.4)
- #00282C
#00282C
oklch(25.3% 0.043 204.9)
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 #400F0F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Brown #410200 ΔE 0.026
- Mahogany #4A0100 ΔE 0.030
- Dark Maroon #3C0008 ΔE 0.033
- Chocolate Brown #411900 ΔE 0.036
- Dark Brown #341C02 ΔE 0.049
- Dark Plum #3F012C ΔE 0.066
- Aubergine #3D0734 ΔE 0.075
- Eggplant #380835 ΔE 0.079
Use #400F0F 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.